(共26张PPT)
Unit 1 Wildlife Protection
Period 3
新人教版版 高一年级上
Discovering Useful Structures
Revision
1.I’ll call the restaurant and make a ___________(reserve).
2.His writing is so confusing that it’s difficult to make_____what he is trying to express.
3.The policeman observed a car________(run) on the left of the road and stopped it.
4.She had been ____ beauty in her day.
5.Mary,I reminded John____his promise to help you.
6.We cannot make sure that your firm will surely ___________(赚取利润)by developing software.
7.It’s fantastic to swim in the sea,but you have to watch out____sharks.
8.She carefully attended to the patients_____________(夜以继日).
reservation
out
running
a
of
make profits
for
day and night
Revision
9.It is reported that the air force in that country is ______attack.
10.The medicine works more__________(effective) if you drink some hot water after taking it.
11.She recovered_____her surprise,and answered calmly.
12.He removed the table ____another room.
13.I____________(intend) to come, but was prevented by the bad weather.
14.He is unlikely to be a threat ____the Spanish player in the final.
15.Tigers and lions exist____meat.
16.His ideas were no longer in harmony_____our.
under
effectively
from
to
had intended
to
on
with
Key words
reduce
[r dj u s] v.
reduce to
reduce by
deer
[d (r)] n.
kangaroos
[ k g ru z] n.
Key words
due
[dju ] adj.
due to
insect
[ nsekt] n.
net
[net] n.
neighbourhood
[ ne b h d] n.
neighbour + hood
Game time
net
insect
profit
due
deer
kangaroos
neighbourhood
reduce
Lead in
1.They are being hunted,illegally,for their valuable fur.
2.Much is being done to protect wildlife,but if we really want to save the planet. we must change our way of life.
3.I know that they're being hunted and their habitat is getting smaller.
4.What measures are being taken to help them
The present continuous passive voice
语法感知——课文现在进行时被动语态原句
以上句子中的红色部分为现在进行时的被动语态,其构成形式为be (am/ is /are) + being +动词的过去分词。
Grammar
1.被动语态的构成结构
时态 主动 被动
一般现在时 do/does am/is/are done
一般过去时 did was/were done
现在进行时 am/is/are doing am/is are being done
被动语态的使用情境
不知道或者不需要提及动作的发出者；强调动作的承受者
Grammar
2. 现在进行时的被动语态的构成
So many things are being done here to save local wildlife.
What is being done for the milu deer
New nature parks are not being started in China.
What measures are being taken to protect the endangered animals
Are milu deer being sent to China from Britain
现在进行时被动语态表示说话时或现阶段某个动作正在被进行。
现在进行时 肯定式 主语+am/is /are+being done.
否定式 主语+am/is /are not+being done.
一般疑问式 Am /Is /Are+主语+being done
特殊疑问式
疑问词+am/is/are+ (主语)+being done.
Grammar
3.现在进行时的被动语态用法
(1)表示说话时正在进行的被动动作(表示此时此刻某事正在被做)。
The sport meeting is being held in our school.我校正在举行运动会。
(2)表示现阶段正在进行的被动动作，但此时此刻不一定在进行的被动动作。
A new building is being built.一座新大楼正在建造中。
(3)表示一种经常性的被动行为，常常和constantly,always,frequently等表示频率的副词连用,表示赞赏或者厌恶的感彩。
Mary is always being praised by her parents.玛丽总是受到她父母的表扬。
(4)表示按计划或安排将要发生的被动动作(仅限少数及物动物)。
A party is being held tonight.今晚将要举行一场晚会。
Grammar
4.没有进行时的被动语态
(2)少数动词如cook,fry,make,build用于现在进行时态，用主动表被动含义。
The egg is cooking鸡蛋正在煮。
(1)一些表示状态、 心理活动、拥有、存在等的动词(和主动语态样)一般不用进行时被动语态,常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。
Jim,come here.You’re being wanted on the phone.(×)
Jim,come here.You’re wanted on the phone.( √ )
注意：被动语态的基本结构：be done, 现在进行时的被动语态结构：am/is/are+being done,不要写成一般现在时的被动时态结构am/is/are+done。
A new cinema is built here. (×)
A new cinema is being built here. ( √ )
Practice
①They are building a modern school in his hometown.
②A modern school____________in his hometown.(改为被动语态)
③A modern school______________in his hometown.(改为否定句)
④____________________________in his hometown (改为一般疑问句)
1.根据要求转换句子
is being built
isn't being built
Is a modern school being built
2.根据要求转换句子
①Look! The baby ____________(take) care of by her aunt.
②To our delight,many endangered species__________________(protect)
by the government now.
③Since your bike_____________(fix), you can use mine.
is being taken
are being protected
is being fixed
Let’s do
1. African elephants are being hunted.
1 Underline the present continuous passive voice in the sentences,change them into active voice and compare the differences in meaning.
Hunters are hunting African elephants.
2.What is being done to help them
What are people doing to help them
3.What measures are being taken to help them
What measures are people taking to help them
Find more sentences with the same verb form in this unit.
Practice
1. I'm (working / being worked) at home today because my office is(painted / being painted).
2. The alarming report is (written / being written). It will be finished soon.
3. What part of the city is (attacked / being attacked) now
4. Right now, the deer are (watched / being watched) over by many volunteers.
5. Who is (hunting / being hunted) the kangaroos Where are they(hunted / being hunted)
6. It is reported that living spaces for wildlife are (reduced / being reduced) due to the cutting of trees.
2 Choose the suitable verb forms to complete the sentences.
Practice
In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insects and so on. When I was in primary school, I often went there with my friends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds _______________(catch) with nets. Wild ducks _____________(sell) at food markets. Fish and snakes______________ (kill)for food in restaurants. And even worse, the wetland _______________ (destroy). Some parts ________________(cover) with new houses. You can see rubbish everywhere. The wetland _________________ (pollute) seriously every day. I am very worried about it. What can we do
3 Liu Tao would like to express his concern over the wetland in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets.
are being caught
are being sold
are being killed
is being destroyed
are being covered
is being polluted
Practice
It may seem that protecting wildlife is something far from the life of a high school student, but in fact, a lot ______________(do) by young people around the world. In Washington State, USA, wolverines ________________ (study) by scientists in an effort to learn how to preserve the population. However, during the winter, it is difficult to attract the animals to cameras hidden in snowy forests.
A group of students heard about the problem and created a special device which ______________ (test) deep in a snowy forest now. Their invention ____________ (use) to send out a certain smell near the cameras. The shy animals are attracted by the smell and coming around the cameras.They ___________________ (observe) by a conservation researcher.
Finish the following passage with the present continuous
passive voice of the verbs in brackets.
is being tested
are being done
are being studied
are being observed
is being used
4 In groups, discuss the questions below. Prepare to give a presentation
of your ideas to the class.
Set animal protection signs
Establish a bird
protection organization
Promote the knowledge of bird protection
afforestation
What do you know is being done in your neighbourhood to protect animals and plants What suggestions do you have
Group work
protect animals
and plants
Group work
4 In groups, discuss the questions below. Prepare to give a presentation
of your ideas to the class.
Key words:
1. set up animal protection organization
2. set animal and plants protection signs
3. publicize knowledge of animals and plants protection 4. plant trees and afforestation
Make conversation like this:
A:What is being done in our neighbourhood to protect animals and plants
B: Well, ... are being protected.
A: The park is not only... , but also... We should ...
C: That's right.They can...
D:Yes, it will certainly make ...
discussion
A: What is being done in our neighbourhood to protect animals and plants
B: Well, the old trees and birds in the park are being protected.
A: Oh, yes. The park is not only a natural habitat for birds, but also a place for us to play. We should learn to Protect the environment and live in harmony with nature.
C: That's right. They can set up animal protection organization, set up animal and
plants protection signs in the park, let volunteers publicize (宣传) knowledge of animals and plants protection, plant trees and afforestation, and let everyone participate in activities to protect nature.
D: Yes, it will certainly make
Conversation examples
Summary
重点词语
reduce vt.减少,缩小,降低
deer n.鹿
kangaroos n.袋鼠
due adj.由于,因为 due to由于;因为
insect n.昆虫
net n.网
neighbourhood n.街区;城区;邻近的地方
Language point
练习:单句语法填空。
①Giving up smoking ________(reduce) the risk of heart disease.
②They are looking at ways of__________(reduce) the waste of natural resources.
③He was advised to________(reduce) his alcohol consumption.
It is reported that living spaces for wildlife are being reduced due to the cutting of trees.
据报道，由于砍伐树木，野生动物的生存空间正在减少。
1. reduce vt. 减少,缩小,降低
搭配：reduce...to把......减少到...... (to表示结果)
reduce...by把......减少了...... (by表示幅度)
reduces
reducing
reduce
Language point
2. due to由于,因为
Most of the problems were due to human error. 多数问题都是人为错误造成的。
Water in the pond gradually diminished due to lack of rainfall. 由于缺少降雨，池塘里的水逐渐减少。
归纳拓展
be due to do sth.预计要做某事
be due for应得到......
练习:单句语法填空。
①David said that it was_________________________(由于) his strong interest in computers that he chose the course.
②The next meeting________________(预计召开) in three months.
③The train________(预计) leave for Shanghai at 8.
due to/because of/owing to
is due to be held
is due to
Summary
In this lesson, we reviewed the passive voice, the simple past tense and the simple present tense, learned the use structure and situation of the present continuous passive voice.
1.Review the new words and phases.
2.Complete the exercise book.
3.Complete activity 4, discuss with classmates and make a presentation.
Homework
Homework
https://www.21cnjy.com/help/help_extract.php中小学教育资源及组卷应用平台
新人教版必修二Unit 2 Period 3
Discovering Useful Structures 学案
学生姓名 班级 序号
课题内容 Unit 2 Wildlife Protection Period 3 Discovering Useful Structures
教材分析 In this lesson, we reviewed the passive voice, the simple past tense and the simple present tense, and learned the structure and usage of the present continuous passive voice. There are four practices in the text. They are intensive training of the present continuous passive voice. The first exercise in the text is to rewrite the sentences. This subject requires students to underline the present continuous passive voice in the sentences, change them into active voice and compare the differences in meaning. The second exercise students are required to choose the suitable verb forms to complete the sentences.The third exercise students are required to finish the passage with the present continuous passive voice of the verbs in brackets.The main idea is: in the wetland of Liu Tao's hometown, wild animals are being caught or killed in recent years.the wetland is being destroyed, rubbish everywhere.The wetland is being polluted seriously every day.The fourth subject in the text is oral training, which requires students to discuss problems in groups according to the topic content, and prepare to give a presentation of your ideas to the class. The topic is :What do you know is being done in your neighbourhood to protect animals and plants What suggestions do you have In this lesson, the use of the present continuous passive voice is applied to classroom training, and a variety of topics are selected to improve students' learning ability, consolidate students' grammar knowledge, train students' logical thinking ability and language expression ability, and strengthen students' sense of bine simple grammar knowledge with the topic of animal protection, closely follow the unit theme, step by step, and comprehensively improve students' learning ability.
学习目标与核心素养 1. Students understand and master the structure and usage of the present continuous passive voice.2. Students can use the present continuous passive voice correctly in specific situations.3. Be able to use the passive voice of the present continuous tense flexibly,talk with partners about topics related to animal and environmental protection and draw conclusions.
学习重点 1. Help students to understand the structure and usage of the present continuous passive voice.2. Students can use the present continuous passive voice correctly and talk with their partners about topics related to animal and environmental protection. 3.Students can use the present continuous passive voice correctly to write an article.
学习难点 Students can use the present continuous passive voice correctly and talk with their partners about topics related to animal and environmental protection.
一、重点单词
1. reduce vt.减少 ,缩小,降低
2.deer n.鹿
3.kangaroos n.袋鼠
4.due adj.由于,因为due to由于;因为
5.insect n.虫
6.net n.网
7.neighbourhood n.街区 ;城区;邻近的地方
二、重要语言点
It is reported that living spaces for wildlife are being reduced due to the cutting of trees.
据报道，由于砍伐树木，野生动物的生存空间正在减少。
1.reduce vt.减少,缩小,降低
搭配: reduce...to把......减少到...... (to表示结果)
reduce...by把......减少了...... (by表示幅度)
Giving up smoking reduces the risk of heart dis ease.
戒烟会减少得心脏病的风险。
They are looking at ways of reducing the waste of natural resources.
他们正在寻找减少自然资源浪费的方法。
He was advised to reduce his alcohol consumption.
他被劝告减少饮酒。
2.due to由于，因为
Most of the problems were due to human error.
多数问题都是人为错误造成的。
Water in the pond gradually diminished due to lack of rainfall.
由于缺少降雨，池塘里的水逐渐减少。
[归纳拓展]
be due to do sth.预计要做某事
be due for应得到....
The boat is due to arrive at 12 o' clock.
船预计在12点钟到达。
I am due for an increase in pay soon.
我不久就该加薪了。
一、单词填空
1.[2018北京卷]Anger is rarely looked upon as a beneficial character trait,and is usually advised ______(reduce) it.
2.He is due_______praise because of his heroic deeds.
3.The number of the bikes they produce ______(已经减少到) 100,000 this year.
4.His mistake was _______(因为) lack of experience.
5.[2019天津3月卷]The captain of the ship was advised to turn back due ______a sudden heavy storm.
二、完成句子
1.The sports_______________(正在被举办)meeting in the new stadium.
2.The giant machine_________________(被拆卸) at the moment and it will be set up in the new workshop in the near future.
3.The classroom__________________(正被装饰) with balloons and flowers right now and the students are preparing for the New Year party.
4.The window of our classroom_____________________(经常被打破).
5.The sum these computers will cost us______________________(正在计算中).
三、句型转换
1.Please tell me something about the meeting being held now.
→Please tell me something about the meeting__________________.
2.I find the national flag is being raised.
→I find the national flag___________________.
3.The computer is in use now.
→The computer____________________now.
4.These high-tech products are on display these days.
→These high-tech products are___________________________ these days.
5.The castle is under attack at the moment.
→The castle is______________________ at the moment.
四、完形填空
Some of the greatest problems we face today are concerned with the gradual destruction of our environment. Brown clouds; wildlife 1 polluted water. These 2 all seem so huge. So my family does what we can. We take cloth bags to stores instead of using plastic bags. We walk where we don't have to 3 .
But does it do any good
I recently learned something about flamingos(火烈鸟). These beautiful birds gather in 4 groups of a thousand or more. Every year, when the time 5 for migration, a few flamingos start the process by taking off from the lake. But 6 of the others seem to notice, so the tiny group returns.
However, the next day they 7 again. This time a few more struggle along with them, but the vast majority still 8 no attention, so these pioneers come back.
The 9 continues for several more days. Every time a few more birds join in but, 10 the thousands of others still take no 11 , the great migration plan is once again 12 .
Then one day something 13 . The same small group of birds takes wing and a tiny number more join in, just as before. And this time their total number, though still quite 14 , is enough to tip the balance. As one, the whole group takes flight and the migration 15 . What a 16 sight it must be—thousands of flamingos taking to the sky at once!
A few can make a 17 . It's true that all of the great problems of the world have been solved because of the 18 efforts of a few.
If you believe in a cause(事业), don't 19 ! Others will someday take notice and together we will 20 even our greatest problems.
1. A. protection B. extinction C. migration D. separation
2. A. questions B. costs C. examples D. problems
3. A. drive B. run C. cycle D. stand
4. A. tiny B. different C. huge D. similar
5. A. comes B. passes C. varies D. moves
6. A. all B. any C. none D. most
7. A. gather B. try C. sing D. appear
8. A. attract B. require C. escape D. pay
9. A. plan B. trend C. activity D. movement
10. A. since B. though C. unless D. while
11. A. responsibility B. notice C. chance D. measure
12. A. put off B. cut off C. carried out D. worked out
13. A. approaches B. works C. changes D. disappears
14. A. significant B. reasonable C. adequate D. small
15. A. continues B. delays C. finishes D. begins
16. A. familiar B. strange C. magnificent D. unrealistic
17. A. point B. decision C. difference D. mistake
18. A. useless B. tireless C. extra D. special
19. A. give up B. give in C. give away D. give out
20. A. identify B. understand C. predict D. solve
答案
一、单词填空
1.[答案]to reduce
[解析]句意：愤怒很少被视为一种有益的性格特征，通常建议减少它。
be advised to do sth.被建议做某事。
2.[答案]for
3.[答案]has reduced to
4.[答案]due to/owing to
5.[答案]to
[解析]句意：由于突然的一场暴风雨，船长被建议返航。Due to由于，因为。
二、完成句子
[答案]
1.is being held
2.is being taken apart
3.is being decorated
4.is frequently being broken
5.is being calculated
三、句型转换
[答案]
1.which is being held now
2.being raised
3.is being used
4.being displayed
5.being attacked
四、完形填空
[答案]
1.B；2.D；3.A；4.C；5.A；6.C；7.B；8.D；9.B；10.A；11.B；12.A；13.C；14.D；15.D；16.C；17.C；18.B；19.A；20.D；
[解析]本文是一篇说明文，作者从那些准备迁徙的火烈鸟先行者身上认识到少数群体也可以产生决定性的影响，并最终会带领大多数人行动起来解决我们与环境破坏有关的大问题。
1.考查名词。句意：棕色云、野生动物灭绝、水污染，这些问题似乎都很严重。A. protection“保护”；B. extinction“灭绝”；C. migration“迁移”；D. separation“分离”。此处与Brown clouds和polluted water并列是三个严重的问题，指的是野生动物灭绝，故选B。
2.考查名词。句意：棕色云、野生动物灭绝、水污染，这些问题似乎都很严重。A. questions“问题”；B. costs“花销，成本”；C. examples“例子”；D. problems“问题”。根据第一句中的problems可知此处指具体的问题，选D。
3.考查动词。A. drive“开车”；B. run“跑”；C. cycle“骑自行车”；D. stand“站”。根据上文的“We walk where we don’t have to”可知此处是指我们会步行去不需要开车去的地方，故选A。
4.考查形容词。句意：这些美丽的鸟成百上千甚至成千上万只聚集成群。A. tiny“微小的”；B. different“不同的”；C. huge“巨大的”；D. similar“相似的”。根据下文的“groups of a thousand or more”可知，一个鸟群有很多只火烈鸟，规模非常大，故选C。
5.考查动词。句意：每年，当迁徙的时候，一些火烈鸟会从湖中飞出。A. comes“到来”；B. passes“经过”；C. varies“不同”；D. moves“移动”。the time comes for...“到……的时候了”，故选A。
6.考查代词。A. all“所有”；B. any“任何”；C. none“一个也没有，没有人”；D. most“大多数”。根据下文的“so the tiny group returns”可知，其他的火烈鸟中并没有注意到，于是这一小群火烈鸟又飞回到湖面上，故选C。
7.考查动词。A. gather“聚集”；B. try“尝试”；C. sing“唱歌”；D. appear“出现”。根据下文的“This time a few more struggle along with them”可知，第二天，这些少数的先行者会再次从湖中飞出（准备迁徙），故选B。
8.考查动词。句意：这一次又有一些火烈鸟会与它们一起起飞，但绝大多数仍然没注意到，所以这些先行者又回来了。A. attract“吸引”；B. require“要求”；C. escape“避开”；D. pay“给予”。pay no attention to固定短语，“不注意”，故选D。
9.考查名词。句意：这种趋势（尝试）要持续好多天。A. plan“计划”；B. trend“趋势”；C. activity“活动”；D. movement“运动”。此处指火烈鸟起飞准备迁徙的尝试，故选B。
10.考查连词。句意：由于成千上万的火烈鸟仍然没有注意到，大迁移计划再次被推迟。A. since“既然、由于”；B. though“尽管”；C. unless“除非”；D. while“而”。成千上万的火烈鸟仍然没有注意到是大迁移计划再次被推迟的原因，故选A。
11.考查名词。句意：由于成千上万的火烈鸟仍然没有注意到，大迁移计划再次被推迟。A. responsibility“责任”；B. notice“注意”；C. chance“机会”；D. measure“措施”。take no notice与上文pay no attention to意思相近，表示没注意到，故选B。
12.考查动词短语。A. put off“推迟”；B. cut off“切断”；C. carried out“实施”；D. worked out“算出”。根据上文先行者又飞回来可知，迁徙计划被推迟了，故选A。
13.考查动词。句意：但有一天，事情发生了变化。A. approaches“靠近”；B. works“起作用”；C. changes“改变”；D. disappears“消失”。根据下文的“The same small group of birds takes wing and a tiny number more join in”可知，情况发生了改变，又有一些火烈鸟加入，故选C。
14.考查形容词。句意：这一次，它们的总数虽然仍然很小，但足以打破平衡。A. significant“重大的”；B. reasonable“合理的”；C. adequate“充足的”；D. small“小的”。根据空前的though及空后的“is enough to tip the balance”可知，尽管总数仍然很小，但足以打破平衡，故选D。
15.考查动词。A. continues“继续”；B. delays“耽搁”；C. finishes“完成”；D. begins“开始”。经过多次尝试后，大迁徙终于开始了，故选D。
16.考查形容词。句意：成千上万只火烈鸟同时飞上天空，是多么壮观的景象啊！A. familiar“熟悉的”；B. strange“奇怪的”；C. magnificent“壮丽的，宏伟的”；D. unrealistic“不切实际的”。根据下文的“thousands of flamingos taking to the sky at once!”可知，成千上万只火烈鸟同时飞上天空，场面一定非常壮观，故选C。
17.考查名词。句意：少数群体也可以产生决定性的影响。A. point“要点”；B. decision“决定”；C. difference“不同”；D. mistake“错误”。make a difference固定短语，“有意义、有影响”，故选C。
18.考查形容词。句意：诚然，世界上所有的重大问题都是通过少数人的不懈努力而得到解决的。A. useless“无用的”；B. tireless“孜孜不倦的”；C. extra“额外的”；D. special“特别的”。根据上文可知，正是因为那些少数先行者一次又一次的尝试，最后火烈鸟大军才成功迁徙，故选B。
19.考查动词短语。句意：如果你相信你从事的事业，就不要放弃。A. give up“放弃”；B. give in“屈服”；C. give away“泄露”；D. give out“分发”。从那些火烈鸟先行者的身上我们学到的是永不放弃的精神，故选A。
20.考查动词。句意：总有一天，其他人会注意到，我们将一起解决我们最大的问题。A. identify“识别”；B. understand“理解”；C. predict“预言”；D. solve“解决”。根据第一段提到的那些与环境破坏有关的问题可知此处指我们将一起解决我们所面临的最大的问题，故选D。
[点评]本题考点涉及动词，名词，形容词，代词，固定短语等多个知识点的考查，是一篇环保类阅读，要求考生在理解细节信息的基础上，进一步根据上下文的逻辑关系，进行分析推理，从而选出正确答案。
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