(共33张PPT)
Unit 13
We're trying to save the earth!
Section A (3a-3b)
教-学-评一致性阅读课示范课
人教新目标版 九年级(下册)
1. 通过观看视频和图片，能够正确地回答问题，能够说出鲨鱼的形态，在生态系统得位置以及数量变少得原因等。
2. 通过fast reading阅读策略，能够正确选择文章大意和匹配段落大意，能正确说出段落中各句子之间的逻辑关系，；运用careful reaidng阅读策略，能够正确回答问题，填出“每年被捕捉和贸易的鲨鱼数量”等具体信息,说出鲨鱼濒临灭绝的原因，造成的后果现状以及拯救鲨鱼的措施。
Learning Objectives
3. 通过图片和关键词能够复述课文内容，通过讨论问题，能够说出保护鲨鱼的措施，增强关爱动物，保护动物意识，呼吁人们保护鲨鱼。No trading, No Killing!
Look and say
Activity 1
Lead to objective 1 test it
评价标准：观看图片回答问题，正确回答1个问题得2分，共4分。本活动共4分。 我得（ ）分。
Look at the pictures and answer the questions.
The ocean is beautiful because of the diversity (多样性) of life.
1.What is the king of the sea
3.Do sharks have natural enemies
Sharks.
No, but human.
2.What do you think of the shark
Big\huge\scary\ugly\strong\….
Do you want to know more about sharks
Watch and say
Activity 2
Lead to objective 1 test it
评价标准：观看视频回答问题，正确回答前2个问题得2分，共2分。加上下1页，本活动共4分。 我得（ ）分。
Let's enjoy a video and answer the questions.
2.Are sharks endangered animals
3.What do you think might have caused a fall in the number of sharks
1.What is the most expensive part of a shark
4.What do you think of finning
Shark fin.
shark fin
soup
Yes, they are.
Watch and say
Activity 2
Lead to objective 1 test it
评价标准：观看视频回答问题，正确回答第3个问题得2分，正确回答第4个问题得1分，共3分。加上上1页，本活动共5分。 我得（ ）分。
3.What do you think might have caused a fall in the number of sharks
I think the reason is that people catch sharks and cut off their fins, then throw them back to the ocean.Without a fin, a shark can no longer swim and slowly dies.
They are caught by people.
Their fins are cut off.
They are thrown back to sea.
They can’t swim anymore.
They only have to die.
4.What do you think of finning
It’s cruel.
切鱼鳍
Finning is cruel. Do you want to help save the sharks Let’s read the passage and
know more about them.
Look and predict
Activity 3
Lead to objective 2 test it
评价标准：观看图片和标题预测问题答案，正确选择第1个问题得1分，正确回答第2个问题得2分，正确回答第3个问题得3分，共6分。本活动共6分。 我得（ ）分。
Let’s look, think and predict.
1. Where can you find the article
A. From a novel. B. From a magazine. C. From a diary.
2.What does the passage talk about
3. Do you think sharks are endangered
Why
Reading Tip：The title and the picture can help predict what the passage talks about.
It may talk about the sharks are in
endanger and they need us to save them.
Yes. Because I know people may kill them for their fins and oil. Also, the title tells us to save them.
Fast reading
Activity 4
Lead to objective 2 test it
评价标准：再快速读课文匹配段落大意，正确匹配出1个段落得2分，共6分。本活动共6分。 我得（ ）分。
Read the passage quickly to match the general idea of each Para.
Para.1：
Para. 2：
Para.3：
Actions to stop killing sharks
Reason for killing sharks
Results of killing sharks
Reading Tip： The first and last sentences of each paragraph may help you.
Problem
Facts
Solution
Fast reading
Activity 5
Lead to objective 2 test it
评价标准：快速读课文完成表格填空，正确填出1个空格得2分，共6分。本活动共6分。 我得（ ）分。
Read the passage again and complete the fact sheet in 3a.
around 70 million
develop the laws
to stop the sale of shark fins
WildAid and the
WWF
Careful reading
Activity 6
Lead to objective 2 test it
评价标准：细读课文第1段回答问题，正确回答1个问题得1分，共3分。本活动共3分。 我得（ ）分。
Read paragraph 1 carefully and answer the questions.
1.Have you heard of shark fin soup
2.What is the reason for killing sharks
3. What does it mean to enjoy a bowl of shark's fin soup
Yes\No.
Maybe because of the famous and expensive dish----shark fin soup.
They’re killing a whole shark when they enjoy a bowl of shark fin soup.
Careful reading
Activity 7
Lead to objective 2 test it
评价标准：细读课文第2段回答问题，正确回答每个问题得1分，共2分。加上下4页，本活动共14分。 我得（ ）分。
Read paragraph 2 carefully and answer the questions.
1.How do people deal with the sharks when they catch them
2.What will happen if sharks don't have their fins
They cut off their fins and throw them back into the ocean.
It can no longer swim and slowly dies.
enjoy a bowl of shark fin soup =
kill a whole shark
Careful reading
Activity 7
Lead to objective 2 test it
评价标准：细读课文第2段回答问题，正确回答第3个问题得2分，共2分。加上上1页下3页，本活动共14分。 我得（ ）分。
3. Is the situation of sharks good now
Read paragragh 2 carefully and answer the questions.
4. What will happen if the numbers of sharks drop too low
______ _____ ________sharks are caught
and traded in this industry every year.
Around 70 million
100%
10%
fall by over 90 percent
the numbers of sharks drop
The numbers of some kinds of sharks
have fallen by over 90 percent in the
past 20 to 30 years.
Careful reading
Activity 7
Lead to objective 2 test it
评价标准：细读课文第2段回答问题，正确回答第4个问题和why得2分，共2分。加上上2页下2页，本活动共14分。 我得（ ）分。
Read paragragh 2 carefully and answer the questions.
4. What will happen if the numbers of sharks drop too low
It will bring danger to all ocean life.
Why
Because sharks are at the top of the food chain in the ocean’s ecosystem.
Careful reading
Activity 7
Lead to objective 2 test it
评价标准：细读课文第2段回答问题，正确回答第5个问题得2分，正确回答第6个问题得1分，共3分。加上上3页下1页，本活动共14分。 我得（ ）分。
Read paragragh 2 carefully and answer the questions.
5. What are the two opinions about killing sharks
①This is not only cruel, but also
harmful to the environment.
②Many believe that sharks can
never be endangered .
6.What does “this” refer to
Cutting off sharks’ fins and throwing them into back the ocean.
Careful reading
Activity 7
Lead to objective 2 test it
评价标准：细读课文第2段回答问题，正确回答第7个问题得2分，正确回答第8个问题得3分，判断得1分，原因得2分，共5分。加上上14页，本活动共14分。 我得（ ）分。
Read paragragh 2 carefully and answer the questions.
Two opinions about killing sharks:
7. This is not only cruel,but also harmful to the environment.
Why
①Without a fin, a shark can no longer swim and slowly dies.
②Sharks are at the top of the food chain in the ocean's ecosystern. If their numbers drop too low, it will bring danger to all ocean life.
the ocean's ecosystem
the food chain
8. Many believe that sharks can
never be endangered.
Why
(Right or wrong )
①But in fact, around 70 million… were caught and traded in this industry every year.
②The numbers …have fallen by over 90 percent in the last 20 to 30 years.
If this continues, sharks will die out.
评价标准：再读课文第2段完成表格填空，正确填出1个空格得1分，共3分。本活动共3分。 我得（ ）分。
Careful reading
Activity 8
Lead to objective 2 test it
Read paragraph 2 again and complete the fact sheet.
Results of
killing sharks
For a shark
For shark groups
For ocean ecosystem
生态系统
Without a fin, a shark can __________________________________.
not swim any longer and gradually dies
The numbers of some kinds of sharks _____________in the last 20 to 30 years.
All ocean life will be ___________ if there are not enough sharks.
have dropped
in danger
cruel 残酷的
harmful 有害的
Careful reading
look and say
Lead to objective 2
Saving sharks means saving ourselves !
How can we help to save them
评价标准：细读课文第3段回答问题，正确回答第1个问题得1分，正确回答第2.3问题各得2分，共5分。本活动共5分。 我得（ ）分。
Careful reading
Activity 9
Lead to objective 2 test it
Read paragraph 3 carefully and answer the questions.
1.What are the names of the
two Environmental protection groups
2. What are they doing & what have
they done
3. Are the shark fins good for health？
The WildAid and the WWF.
美国野生救援会(WildAid)是1999年在美国注册的非盈利机构，总部在美国
旧金山，
它对濒临绝迹的野生动物提供直接的保护，并且发展许多有创意的计划，以教育大众关于野生动物及生态平衡的重要性。
世界自然基金会(WWF)英文全称为World Wide Fund for Nature。是在全球享有盛誉的、最大的独立性非政府环境保护组织之一，自1961年成立以来，WWF一直致力于环保事业，在全世界拥有超过500万支持者和超过100个国家参与的项目网络。
They are teaching the public about
“finning”.They have even asked
governments to develop laws to
stop the sale of shark fins.
No. Because no scientific studies have shown that sharks are good for health.
Further thinking：What can we do to protect sharks besides the ways mentioned in Para. 3
评价标准：根据语境选择所给的词汇填空，正确填出1个空格得1分，共5分。本活动共5分。 我得（ ）分。
Careful reading
Activity 10
Lead to objective 2 test it
Read the passage again and fill in the blanks with the words in the box.
3b
when
so
but
Although
if
After reading
Listen and repeat
Lead to objective 3
the number of “...的数量”,当其短语作主语,谓V.用第三人称单数形式, a number of “许多,大量” 当其短语作主语,谓V.用复数形式.
fall by “下降了”,表示变化的幅度,反义短语:increase by “增加了”; fall to “下降到”表示最终的结果,反义短语:increase to”增加到”
in the last/past +一段时间 “在过去的20--30年里”,常与现在完成时连用.
In the last ten years, great changes have taken place in my hometown.
After reading
Activity 11
Lead to objective 3 test it
评价标准：根据课文内容完成短文填空，正确填出1个空格得1分，共12分。本活动共12分。 我得（ ）分。
Fill in the blanks according to the passage.
Some people like to eat shark fin soup. But getting the shark's fin is very _____. When people catch sharks, they ________their fins and ______the sharks ______the ocean. The shark ______dies because it can't _____ without the fin. And it is also _________ to the environment. Sharks are at the ____ of the food chain. If ____________sharks drops too____, it will break the balance of nature. Please say no to ______the shark fin soup, and _____________to save the sharks!
cruel
cut off
swim
harmful
throw
into
slowly
top
the number of
low
eat
take actions
After reading
Activity 12
Lead to objective 3 test it
评价标准：根据图片和关键词复述课文，正确复述出1个句子得1分，最多得12分，共12分。本活动共12分。 我得（ ）分。
Retell the passage according to the pictures and the key words.
Save the sharks!
catch ....cut off...
no longer swim, slowly dies …cruel
enjoy
throw…back into…
`
bring danger to…
…are canght…
`
…have fallen…
After reading
Activity 13
Lead to objective 3 test it
评价标准：小组讨论问题说出我们为了拯救鲨鱼能够做些什么，正确说出1个方法得1分，最多得6分，共6分。本活动共6分。 我得（ ）分。
Let’s have a discussion.
What can we do to save the sharks
1.We can stop eating shark fin soup because “ no buying, no killing”.
2.We can make a speech, write an article or make some posters(海报) to appeal(呼吁) to people to save the sharks.
3.We can help create a comfortable environment without pollution for the sharks.
4:Learn as much as you can about sharks.
5:Don't use shark products.
6:Call on(号召) the people around you to protect the sharks.
After reading
Read and remember
Lead to objective 3
Protecting wild animals is just protecting ourselves.
1
2
Remember
Don't let our children can only see today's animals in the museums.
No trade No murder
没有买卖，就没有杀害
After reading
Language points
1.This is not only cruel, but also harmful to the environment.
harmful adj. 有害的→ harm n. 伤害; 损害
be harmful to 对……有害=do harm to =be bad for
反义短语为be good for “对……有好处”。
翻译：吸烟对我们的健康有害。
Smoking is harmful to our health.= Smoking does harm to our health.= Smoking is bad for our health.
2.A shark can no longer swim and slowly dies.
鲨鱼不能再游泳然后慢慢死掉。
no longer意思是“不再” e.g. I’m no longer a student. 我不再是个学生了。
有两个短语和no longer同义，即not…any longer和not…any more，但他们侧重面不同。
After reading
Language points
2.A shark can no longer swim and slowly dies.
鲨鱼不能再游泳然后慢慢死掉。
no longer和not…any longer侧重时间
e.g. He no longer lives here.= He doesn’t live here any longer.
他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，他就离开了。)
not…any more侧重侧重程度和数量
e.g. You can drink no more. = You can’t drink any more.
你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)
3.Sharks are at the top of the food chain in the ocean’s ecosystem.
鲨鱼位于海洋生物系统食物链的顶部。
at the top of 在...最高地位; 用最高[最大]的(速度, 声音等)
e.g. I looked at the top of his head, his hair shiny and parted smoothly.
我看他的头顶, 头发光亮, 分得平滑。
He shouted at the top of his voice in order that he might be heard.
他尽力大声叫喊, 以便别人能听见。
After reading
Language points
4.If their numbers drop too low, it will bring danger to all ocean life.
如果它们的数目降至过低，会给所有海洋生物带来危险。
此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。
e.g. In that country, the number of children going to school is higher in cities than in towns and village. 在那个国家，城市儿童入学人数比乡镇及农村要高。
常与number搭配的动词有grow, fall等。
e.g. The number of families that own cars has been growing quickly recently.
近来拥有轿车的家庭数量增长很快。
the number of...……的数量：作主语时，后面的谓语动词用单数形式。
the numbers of... 是“the number of…”的复数形式。
a number of 一些，许多；a large number of 许多的，大量的：后跟可数名词复数形式，谓语动词用复数形式。
A number of measures have been taken to protect wild animals because the number of them has become smaller and smaller. 由于野生动物的数量越来越少，已经采取了一些措施来保护野生动物。
After reading
Language points
5.This method is not only cruel, but also harmful to the environment.
这种方法不但残忍而且对环境有害。
not only…but also… 用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”; 其中的also有时可以省略。
e.g. She not only plays well, but also writes music.她不仅很会演奏，而且还会作曲。
若连接两个成分作主语，其谓语通常与靠近的主语保持一致。
e.g. Not only you but also he has to leave. 不只是你，他也得离开。
为了强调，可将not only置于句首，not only放在句首，后接句子时要用倒装结构。
e.g. Not only had the poor man been fined, but also he had been sent to prison.
这个可怜的人不仅被罚款，而且还被送进了监狱。
Not only do they need clothing, but they are also short of water. 他们不但需要衣服，而且还缺水。
Class test
一、根据句意，用括号中所给词的适当形式填空。
1. Hainan is in the ________ part of China.(south)
2. We all support his __________ research.(science)
3. This is an _____________ animal.We should try to
save it.(danger)
4. Smoking is ________ to your health. You must give
it up.(harm)
5. Tom is _____________ in our school.(strong)
southern
scientific
endangered
harmful
the strongest
评价标准：根据语境用所给单词的适当形式填空，正确填出1个空格得1分，共5分。本活动共5分。 我得（ ）分。
Class test
二、根据汉语提示完成句子。
1. 我们必须采取行动来阻止他们。
We must _____ ______ to stop them.
2. 我从没听说过这个人。
I have never ____ ____ such a man.
3. 我们乐意尽力帮你摆脱困境。
We are glad to do what we can do ___ ___ ___.
4. 到目前为止，我已经交了二十个朋友。
____ ____, I have made twenty friends.
5. 实际上，她从没去过那儿。
____ ____, she has never been there.
In fact
take action
heard of
to help out
So far
评价标准：根据汉语完成句子，正确填出1个空格得1分，共11分。本活动共11分。 我得（ ）分。
Self-evaluation
本节课共105分 ，我共得（ ）分。
我的评价等级（在等级括号内打钩）：
获得至少90分 ，优秀（ ）；
获得至少80分 ，良好（ ）；
获得至少70分 ，合格（ ）。
【学后反思】
一、完成自我评价表：
1.本节课我共新学词汇有___________个，能完全记住并会初步使用的有：___________________________________________________; 还不能记住和使用的有：______________________________________________________________________________
2.对我有帮助的学习方法有（请在括号里打钩）：
( )(1)通过图片和标题，能够预测文章主题。
( )(2)通过略读和细读策略，能够回答问题，说出细节内容
( )(3)能够通过图片关键词，来复述课文内容
( )(4)能够通过阅读课文，说出文章的学习目的。
Homework
There is a “ help save the sharks” volunteer activity in our school to call on more students to save the sharks.
1. Make a nice poster(海报) to catch the students' eyes.
2. Give a short speech to call on people with your poster.
谢谢
21世纪教育网（www.21cnjy.com)
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Unit 13 We’re trying to save the earth!Section A (3a-3b) 导学案
班级： 姓名：
科目： 授课教师：
学习目标 1. 通过观看视频和图片，能够正确地回答问题，能够说出鲨鱼的形态，在生态系统得位置以及数量变少得原因等。2. 通过fast reading阅读策略，能够正确选择文章大意和匹配段落大意，能正确说出段落中各句子之间的逻辑关系，；运用careful reading阅读策略，能够正确回答问题，填出“每年被捕捉和贸易的鲨鱼数量”等具体信息,说出鲨鱼濒临灭绝的原因，造成的后果现状以及拯救鲨鱼的措施。3. 通过图片和关键词能够复述课文内容，通过讨论问题，能够说出保护鲨鱼的措施，增强关爱动物，保护动物意识，呼吁人们保护鲨鱼。No trading, No Killing!
学习重难点 学习重、难点：能运用阅读策略读取濒危动物的语篇大意，段落中心句和细节信息，并运用思维导图和复述方式帮助理解文章内容和架构。
自学指导 自学检测及课堂展示
课前预习 根据英语写出中文。1.shark____________ 2.fin______________3.cruel_____________ 4.be harmful to_____________ 5.at the top of______________ 6.chain______________7.the food chain______________ 8.ecosystem_______________9.industry___________ 10.industry_______________11.law_________________ 12.scientific______________
情景导入 I.Look at the pictures and answer the questions. II.Let's enjoy a video and answer the questions.
读前感知 Let’s look, think and predict.1. Where can you find the article A. From a novel. B. From a magazine. C. From a diary.2.What does the passage talk about 3. Do you think sharks are endangered Why
读中操练 Fast readingI.3a.Read the passage quickly to match the general idea of each Para.Para.1： Results of killing sharksPara.2： Reason for killing sharksPara.3 Actions to stop killing sharksII.3a.Read the passage again and complete the fact sheet in 3a.Careful readingI.Read paragraph 1 carefully and answer the questions. 1.Have you heard of shark fin soup 2.What is the reason for killing sharks 3. What does it mean to enjoy a bowl of shark's fin soup II.Read paragraph 2 carefully and answer the questions. 1.How do people deal with the sharks when they catch them 2.What will happen if sharks don't have their fins 3. Is the situation of sharks good now 4. What will happen if the numbers of sharks drop too low 5. What are the two opinions about killing sharks 6.What does “this” refer to 7. This is not only cruel,but also harmful to the environment.Why 8. Many believe that sharks can never be endangered. (Right or wrong )Why III.Read paragraph 2 again and complete the fact sheet. IV.Look and say.略V.Read paragraph 3 carefully and answer the questions. 1.What are the names of the two Environmental protection groups 2. What are they doing & what have they done 3. Are the shark fins good for health？VI.3b.Read the passage again and fill in the blanks with the words in the box.
读后拓展 I.Listen and repeat.II.Fill in the blanks according to the passage.Some people like to eat shark fin soup. But getting the shark's fin is very _____. When people catch sharks, they ________their fins and ______the sharks ______the ocean. The shark ______dies because it can't _____ without the fin. And it is also _________ to the environment. Sharks are at the ____ of the food chain. If ____________sharks drops too____, it will break the balance of nature. Please say no to ______the shark fin soup, and _____________to save the sharks!III.Retell the passage according to the pictures and the key words.IV.Let’s have a discussion.What can we do to save the sharks V.Read and remember.略VI.Language points。略
课堂练习 一、根据句意，用括号中所给词的适当形式填空。1. Hainan is in the ________ part of China.(south)2. We all support his __________ research.(science)3. This is an _____________ animal.We should try to save it.(danger)4. Smoking is ________ to your health. You must give it up.(harm)5. Tom is _____________ in our school.(strong)二、根据汉语提示完成句子。1. 我们必须采取行动来阻止他们。 We must _____ ______ to stop them. 2. 我从没听说过这个人。 I have never ____ ____ such a man. 3. 我们乐意尽力帮你摆脱困境。 We are glad to do what we can do ___ ___ ___.4. 到目前为止，我已经交了二十个朋友。 ____ ____, I have made twenty friends. 5. 实际上，她从没去过那儿。 ____ ____, she has never been there.
作业 There is a “ help save the sharks” volunteer activity in our school to call on more students to save the sharks.1. Make a nice poster(海报) to catch the students' eyes. 2. Give a short speech to call on people with your poster.
【参考答案】
课前预习 根据英语写出中文。1.鲨鱼 2.（鱼）鳍 3.残忍的 4.对...有害 5.在...顶部 6.链子；链条 7.食物链 8.生态系统 9.工业；行业 10.法律；法规 11.科学上的；科学的
情景导入 I.Look at the pictures and answer the questions. II.Let's enjoy a video and answer the questions.
读前感知 Let’s look, think and predict.
读中操练 Fast readingI.3a.Read the passage quickly to match the general idea of each Para. II.3a.Read the passage again and complete the fact sheet in 3a.Careful readingI.Read paragraph 1 carefully and answer the questions. II.Read paragraph 2 carefully and answer the questions. III.Read paragraph 2 again and complete the fact sheet. IV.Look and say.V.Read paragraph 3 carefully and answer the questions. VI.3b.Read the passage again and fill in the blanks with the words in the box.
读后拓展 I.Listen and repeat.II.Fill in the blanks according to the passage. III.Retell the passage according to the pictures and the key words.IV.Let’s have a discussion. V.Read and remember.VI.Language points。略
课堂练习 根据句意，用括号中所给词的适当形式填空。southern 2.scientific 3.endangered 4.harmful 5.the strongest根据汉语提示完成句子。1.take action 2.heard of 3.to help out 4.So far 5.In fact
作业 略
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Unit13 Section A 3a-3b分层作业
一、根据首字母填空
1．No matter how c________ the reality might be, we should never give up.
2．Smoking is h________ to our health, so the government sets a ban on smoking in all public places.
3．Our government has made some l________ to protect the environment.
4．Ten p________ of the apples are green and the rest of them are red.
二、根据汉语提示填空
5．About 70 million sharks are traded in this ________（行业）every year.
6．We all support his ________(科学的) research.
7．They are ________（濒临灭绝的）animals. We should try to save them.
8．I am ________ (反对) their plans but hers.
9．To reduce waste, take a ________ (可重复使用的) bag with you when you go shopping.
10．We should keep the balance of the ________（生态系统）.
三、完成句子
11．两个月以来，已经有400名大学生参加了名为“手机忍者”的测试。
400 college students ________ ________ ________ ________ the test called Mobile Phone Ninja since two months ago.
12．我至今没有得到她的答复。
I have had no reply from her ________ ________.
13．我希望有一天我能买得起一所大房子。
I hope I can ________ ________ ________ a big house one day.
14．在过去的几年里，里克已经赢得了5枚金牌。
Rick has won five gold medals ________ ________ ________ ________ ________.
15．空气污染对我们的健康有害。
The air pollution ________ ________ ________ our health.
16．不同种类的花的数量正在快速增长。
________ ________ ________ different kinds of flowers is growing quickly.
17．我们必须趁早采取行动，否则就来不及了。
We must ________ ________ before it is too late.
四、单项选择
18．Anyone who is good at singing can ________ the activity in our school.
A．take part in B．take off C．take out D．take care of
19．Don’t play games on the computer all day. It’s to your eyes.
A．harmful B．program C．helpful D．thankful
20．I am afraid we can not ______to take a taxi. Let s go by underground instead
A．refuse B．afford C．forget D．fall
21．—Can you go to the movies with me tonight
—I have to ask my mum. If I __________, I will go with you.
A．allow B．allowed C．am allowed D．was allowed
22．It is said that the number of forest Parks in Guangdong ______ to more than 1,000 so far.
A．increase B．increased C．has increased D．will increase
23．—Wow, your new dress is so beautiful. How much did you ________ it
—Twenty dollars.
A．cost B．spend C．take D．pay for
24．In those days, books were produced ________ hand.
A．on B．with C．at D．by
25．—To achieve a bright future, we should ____________ study hard ____________ keep in good health.
—I agree with you.
A．not；but B．not only；but also C．neither；nor D．either；or
26．─Have you __________ the shark fin soup
─Yes, I__________ my pen pal and knew it.
A．heard of; heard from B．heard of; heard about
C．heard of; gotten a letter D．heard about; received from
27．Something must ________ to protect the sharks because many of them are endangered now.
A．do B．done C．be done
五、完形填空
Madison Stump is a 13-year-old entrepreneur (企业家) in the USA．To save our planet, she has________28________.
Madison lives in a “green” family. She is___29___trying to be 100% earth friendly. One day, Mandison was thinking over what else she could do to help the environment. ___30___, she thought, “Why not___31___those used boxes and paper to create beautiful notebooks And I can sell them to help people in need.” That night, Mandison made her first notebook with scrap paper (废纸), and she used an empty gum box for a____32____It was the___33___of her green business.
Mandison’s first customer was her sister. She, of course, never___34___it! However, Mandison didn’t mind because she got to see her use it. Before you know it, all Mandison’s school friends were asking to buy the amazing notebooks. Then, Mandison’s dad came up with the___35___idea of starting a website, PaperAgain.com, so that these notebooks could be bought online.
Now Mandison is the___36___of a real business! Her notebooks are selling at the store in her hometown. And she is often____37____on the local television news!
28．A．set out B．set off C．set up D．set at
29．A．always B．already C．never D．nearly
30．A．Happily B．Luckily C．Finally D．Suddenly
31．A．return B．recycle C．repair D．replace
32．A．cover B．paper C．face D．book
33．A．end B．change C．start D．entrance
34．A．paid for B．made for C．sent for D．waited for
35．A．familiar B．silly C．dull D．wonderful
36．A．worker B．winner C．owner D．master
37．A．explained B．reported C．replied D．spread
六、阅读单选
There are some easy things you can do to protect the environment and the earth. Choose ideas from the list or come up with a few of your own.
·Plant flowers, grass or trees.
·Whenever you visit a park or beach, take away what you bring there—keep rubbish in a bag until you can put it in a dustbin.
·Turn off the lights and TV sets when you leave the room. This can save a lot of electricity.
·Turn off the tap when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves paper.
·Keep the doors and windows closed in winter to keep warm air in.
·Give your old books and magazines to a library instead of throwing them away.
·Give your old clothes to poor children you know instead of throwing them away.
·Use both sides of paper.
·Stop pouring dirty water into the rivers or lakes nearby.
·Encourage all your friends to do the same things you do to help protect the earth. You don’t have to wait until Earth Day to do these things. Make every day Earth Day. If everyone makes a contribution to protecting the environment, the world will become much more beautiful.
38．From the above, we know that this is_______.
A．a sign B．a proposal (倡议书)
C．an advertisement D．a notice
39．The writer tells us _______.
A．to throw rubbish in to a dustbin B．to pour dirty water into the rivers
C．to save water D．we can’t do these things until Earth Day
40．We can _______to save paper.
A．use a paper cup B．use both sides of paper
C．give old books to a library D．pick up waste paper at a school
41．Which of the following is wrong according to the writer
A．Turn off the lights when leaving the room. B．Close the doors and windows in winter.
C．Use a paper cup when brushing your teeth. D．Give your old clothes to the poor children.
42．What’s the best title of the passage
A．Protect the Earth B．Save Water and Electricity
C．Make Better Use of Old Things D．Save Money
Unit 13 Section A 3a-4b分层作业答案与详解
一、根据首字母填空
1．No matter how c________ the reality might be, we should never give up.
【答案】(c)ruel
【详解】句意：不管现实有多残酷，我们都不应该放弃。根据“the reality might be, we should never give up”可知，应该是不管现实多残酷，我们都不应该放弃，形容词cruel意为“残酷的”，故填(c)ruel。
2．Smoking is h________ to our health, so the government sets a ban on smoking in all public places.
【答案】(h)armful
【详解】句意：吸烟对我们的健康有害，因此政府禁止在所有公共场所吸烟。根据“Smoking”和“to our health”可知，吸烟对我们的健康有害，be harmful to“对……有害”，故填(h)armful。
3．Our government has made some l________ to protect the environment.
【答案】(l)aws
【详解】句意：我们政府已经制定了一些法律来保护环境。根据“Our government has made some”和“to protect the environment”可知，我们的政府制定了一些法律来保护环境，由空前的“some”可知，空缺处应该用可数名词law“法律”的复数laws，故填(l)aws。
4．Ten p________ of the apples are green and the rest of them are red.
【答案】(p)ercent
【详解】句意：苹果的十分之一是绿色的，其余的是红色的。根据空后的“of the apples are green and the rest of them are red”并结合所给单词首字母可知，应该是苹果的十分之一是绿色的，“数词+percent”表示“百分之几”，故填(p)ercent。
二、根据汉语提示填空
5．About 70 million sharks are traded in this ________（行业）every year.
【答案】industry
【详解】句意：该行业每年交易约7000万条鲨鱼。根据空前的“this”和所给汉语意思可知，空缺处应该填industry“行业”，故填industry。
6．We all support his ________(科学的) research.
【答案】scientific
【详解】句意：我们都支持他的科学研究。scientific“科学的”，形容词，此处作定语，修饰名词“research”，故填scientific。
7．They are ________（濒临灭绝的）animals. We should try to save them.
【答案】endangered
【详解】句意：它们是濒临灭绝的动物。我们应该尽力拯救它们。根据所给汉语意思可知，空缺处应该填的是形容词endangered“濒临灭绝的”作定语，故填endangered。
8．I am ________ (反对) their plans but hers.
【答案】against
【详解】句意：我反对他们的计划，除了她的。根据所给汉语意思可知，空缺处应该填的是介词against“反对”，故填against。
9．To reduce waste, take a ________ (可重复使用的) bag with you when you go shopping.
【答案】reusable
【详解】句意：为了减少浪费，购物时随身携带一个可重复使用的袋子。根据所给汉语意思可知，空缺处应该填的是形容词reusable“可重复使用的”，作定语，故填reusable。
10．We should keep the balance of the ________（生态系统）.
【答案】ecosystem
【详解】句意：我们应该保持生态系统的平衡。根据所给汉语意思可知，空缺处应该填的是名词ecosystem“生态系统”，故填ecosystem。
三、完成句子
11．两个月以来，已经有400名大学生参加了名为“手机忍者”的测试。
400 college students ________ ________ ________ ________ the test called Mobile Phone Ninja since two months ago.
【答案】 have taken part in
【详解】根据所给汉语意思可知，空缺处应该填的是“参加”，动词短语take part in意为“参加”，由“since two months ago”可知，时态是现在完成时，构成：主语+have/has+动词过去分词，主语“400 college students”是复数，所以用have，take的过去分词是taken，故填have；taken；part；in。
12．我至今没有得到她的答复。
I have had no reply from her ________ ________.
【答案】 so far
【详解】so far“至今，到目前为止”，是固定短语，是现在完成时的标志词，故填so；far。
13．我希望有一天我能买得起一所大房子。
I hope I can ________ ________ ________ a big house one day.
【答案】 afford to buy
【详解】此处缺少“买得起”，afford to do sth“担负得起做某事”，buy“买”，此处用不定式作宾语，can是情态动词，后接动词原形，故填afford；to；buy。
14．在过去的几年里，里克已经赢得了5枚金牌。
Rick has won five gold medals ________ ________ ________ ________ ________.
【答案】 in the past few years
【详解】此处缺少“在过去的几年里”，英语表达为“in the past few years”，是固定短语，故填in；the；past；few；years。
15．空气污染对我们的健康有害。
The air pollution ________ ________ ________ our health.
【答案】 is harmful to
【详解】be harmful to“对……有害”，是固定短语，主语是不可数名词，be动词用is，故填is；harmful；to。
16．不同种类的花的数量正在快速增长。
________ ________ ________ different kinds of flowers is growing quickly.
【答案】 The number of
【详解】根据所给汉语意思可知，空缺处应该填的是“……的数量”，the number of意为“……的数量”，后面接可数名词复数，谓语动词用单数，首字母大写，故填The；number；of。
17．我们必须趁早采取行动，否则就来不及了。
We must ________ ________ before it is too late.
【答案】 take action
【详解】此处缺少“采取行动”，英语表达为“take action”，是固定短语，must是情态动词，后接动词原形。故填take；action。
四、单项选择
18．Anyone who is good at singing can ________ the activity in our school.
A．take part in B．take off C．take out D．take care of
【答案】A
【详解】试题分析：句意：任何擅长唱歌的人可以参加我们学校的这个活动。take part in参加； take off起飞； takeout拿出； take care of照顾。后面的宾语是the activity，故此处表示参加活动。故选A。
考点：考查动词短语辨析。
19．Don’t play games on the computer all day. It’s to your eyes.
A．harmful B．program C．helpful D．thankful
【答案】A
【详解】句意：不要整天在电脑上玩游戏，对你的眼睛有害。A. harmful有害的；B. program程序；C. helpful有用的；D. thankful欣慰的。根据Don’t play games on the computer all day. 不要整天在电脑上玩游戏。可知，这对你的眼睛有害。因此选择harmful有害的；固定短语be harmful to sb.，意为“对……有害”。故选A。
20．I am afraid we can not ______to take a taxi. Let s go by underground instead
A．refuse B．afford C．forget D．fall
【答案】B
【详解】句意：恐怕我付不起出租车钱。让我们改坐地铁吧。本题考查动词。A. refuse 拒绝； B. afford 付得起，承担得起 ；C. forget忘记； D. fall落下； 砍倒。根据句意选B
21．—Can you go to the movies with me tonight
—I have to ask my mum. If I __________, I will go with you.
A．allow B．allowed C．am allowed D．was allowed
【答案】C
【详解】考查动词的语态。句意：——今晚你可以和我去看电影吗？——我得问问我的妈妈。如果允许的话，我就和你去。
根据句意可知是将来时态，if引导的条件状语从句，不用将来时态，用一般现在时态来代替，主语I和allow之间是被动关系，所以用被动语态，结构是be+过去分词；allow一般现在时态的结构，allowed一般过去时态的结构，am allowed一般现在时态的被动语态，was allowed一般过去时态的被动语态；故选C。
22．It is said that the number of forest Parks in Guangdong _______ to more than 1,000 so far.
A．increase B．increased C．has increased D．will increase
【答案】C
【详解】句意：据说到目前为止广东森林公园的数量已经增加到1000个以上。
考查现在完成时。根据“so far”可知，此句的时态是现在完成时，而主语“the number of forest Parks”是第三人称单数，因此“has increased”符合句意。故选C。
23．—Wow, your new dress is so beautiful. How much did you ________ it
—Twenty dollars.
A．cost B．spend C．take D．pay for
【答案】D
【详解】句意：——哇，你的新裙子真漂亮。你花了多少钱？——20美元。
考查动词辨析。cost花费，主语是物，花费的是金钱；spend花费，主语是人，花费的是金钱或时间；take花费，主语是物或it，花费的是时间；pay for花费，主语是人，花费的是金钱，根据“Twenty dollars”可知，花费的是金钱，排除C，主语“you”是人，排除A，根据句型“人+spend some money doing sth/on sth”“某人花了多少钱做某事”和“人+pay some money for 物”“某人花了多少钱买某物”以及空后的it可知，空缺处应该用pay for，排除B，故选D。
24．In those days, books were produced ________ hand.
A．on B．with C．at D．by
【答案】D
【详解】句意：那时候，书是手工制作的。
考查介词。on在……上；with和……一起；at在……；by靠，凭；根据“books were produced...hand”可知，此处是by hand“用手，手工”，固定短语，故选D。
25．—To achieve a bright future, we should ____________ study hard ____________ keep in good health.
—I agree with you.
A．not；but B．not only；but also C．neither；nor D．either；or
【答案】B
【详解】句意：为了实现一个光明的未来，我们不但应该努力学习而且应该保持身体健康。
考查并列连词。not…but 不是…而是；not only …but also；不但…而且； neither…nor 既不……也不；either…or或者……或者。A、C、D项均不符合题意，故选项B正确。
26．─Have you __________ the shark fin soup
─Yes, I__________ my pen pal and knew it.
A．heard of; heard from B．heard of; heard about
C．heard of; gotten a letter D．heard about; received from
【答案】A
【详解】句意：—你听说过鲨鱼翅汤吗？—对，我收到我笔友的来信，知道它的。
考查动词短语和动词时态用法。hear of指偶尔听说；hear from收到某人的来信；hear about得知。根据第二句and后面的knew是一般过去时可知，第二空是一般过去时，排除C；短语hear from意为收到某人来信，故选A。
27．Something must ________ to protect the sharks because many of them are endangered now.
A．do B．done C．be done
【答案】C
【详解】句意：必须采取措施保护鲨鱼，因为现在很多鲨鱼都濒临灭绝。
考查情态动词的被动语态。根据题干“Something must ... to protect the sharks”可知，something和do之间是动宾关系，故此处使用含情态动词的被动语态，其构成为：情态动词+be+done。故选C。
五、完形填空
【答案】
28．C 29．A 30．D 31．B 32．A 33．C 34．A 35．D 36．C 37．B
【分析】这篇短文主要介绍了一位美国的少年企业家，为了保护环境，她利用废旧纸箱和废纸制作笔记本，并且在网上销售。
28．句意：为了拯救我们的星球，她成立了。
短语辨析。A.出发，陈述；B.动身，引起；C.建立，开业；D.袭击，设置成。联系下文，可知他建立了一个绿色产业。故选C。
29．句意：她总是努力做到100%对地球友好。
副词辨析. A.一直,总是;B.已经;C.从来不,永远不;D.几乎,差不多.结合语境可知此处指的是她总是尝试百分百的对地球友好.故选A。
30．句意：突然，她想，“为什么不回收那些用过的盒子和纸来制作漂亮的笔记本呢？我可以卖掉它们来帮助有需要的人。”
联系下文描述,可知此处指的是她突然想到,故选D,突然地。
31．句意：突然，她想，“为什么不回收那些用过的盒子和纸来制作漂亮的笔记本呢？我可以卖掉它们来帮助有需要的人。”
动词辨析. A.归还;B.回收利用;C.修理;D.取代,代替.联系下文,可知此处指的是回收利用些箱子和纸,做成美丽的笔记本,故选B,回收利用。
32．句意：当晚，曼迪森用废纸做了她的第一个笔记本，她用一个空的口香糖盒做封面。
名词辨析, A.盖子,封面;B.试卷,纸张;C.外观,脸;D.书.联系下文,可知此处指的是她用一个空的胶水盒作封面,故选A。
33．句意：这是她绿色事业的开始。
结合语境可知此处指的是这是她的绿色产业的第一次开始,故选C,开始,启动。
34．句意：当然，她从来没有付钱！
结合语境可知此处指的是她的妹妹永远不会为此付款,故选A,为……付款。
35．句意：然后，曼迪森的爸爸想出了一个很好的主意，建立一个网站paperagain.com，这样这些笔记本就可以在网上买到了。
形容词辨析。A.相似的；B.愚蠢的；C.迟钝的，呆滞的；D.奇妙的，极好的。联系下文，可知此处指的是好主意，故选D。
36．句意：现在曼迪森是一家真正的企业的老板！
联系下文，可知此处指的是她是一个真实的产业的所有人，故选C，所有者。
37．句意：她经常被报道在当地的电视新闻！
联系下文，可知当地电视新闻上常常报道她。故选B，报道，报告。
考点：传记类记述文
点评：这篇短文内容比较简单，理解不难。各小题与上下文联系比较紧密，答题中一定要注意联系上下文。答完后多读几遍，看看是否符合逻辑，适当修改。个别小题可以当作单独的词义辨析题来做，先区分词义，结合语境选出最能使语句通顺的答案。
六、阅读单选
【答案】38．B 39．C 40．B 41．C 42．A
【分析】本文主要列举了一些保护环境的具体措施，倡导大家积极保护地球环境。
38．推理判断题。根据文章最后一段“If everyone makes a contribution to protecting the environment, the world will become much more beautiful”以及文中列举的保护环境的措施可知，本文主要是倡导大家保护环境，因此本文是一篇倡议书。故选B。
39．细节理解题。根据“Turn off the tap when you brush your teeth. You can save some water by not letting it run”可知，作者告诉我们刷牙时要关掉水龙头，以此来节约用水。故选C。
40．细节理解题。根据“Use both sides of paper”可知，我们可以通过使用纸张的两面来节约纸张。故选B。
41．细节理解题。A选项：离开房间时关灯。根据“Turn off the lights and TV sets when you leave the room”可知，A选项正确；B选项：冬天关闭门窗。根据“Keep the doors and windows closed in winter to keep warm air in”可知，B选项正确；C选项：刷牙时用纸杯。根据“use a glass cup instead of a paper cup”可知，C选项错误；D选项：把你的旧衣服送给贫穷的孩子。根据“Give your old clothes to poor children”可知，D选项正确。故选C。
42．最佳标题题。根据文章首句“There are some easy things you can do to protect the environment and the earth”以及下文列举的保护地球环境的措施可知，本文的主题是“保护地球，保护环境”，因此选择Protect the Earth作为标题最合适。故选A。
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