【期末满分备战】Unit13知识梳理+新题模拟练-2024-2025学年九年级英语期末备战关关通（人教版）（带参考答案解析）

中小学教育资源及组卷应用平台
Unit13 We're trying to save the earth!
知识梳理+新题通关练
重点短语梳理
1. be full of/be filled with充满
2. throw...into...把……扔入……里
3. be good for... 对……有益
4. cut off割掉；砍掉
5. be harmful to对……有害
6. at the top of 在……顶部或顶端
7. the food chain食物链
8. hear of 听说
9. cut down减少
10. air pollution空气污染
11. instead of代替，而不是
12. make a difference起作用
13. lead to导致
14. take part in参加
15. the number of... ……的数量
16. such as就像，例如
17. so far迄今为止
18. in danger处于危险中
19. turn off关掉
20. take action采取行动
21. pay for付费；付出代价
22. in fact事实上
23. afford to do sth.承担得起做某事
24. play a part in 参与
25. turn...into... 把……变成……
26. stop riding in cars停止开车
27. throw away扔掉
28. be good at recycling擅长循环使用
29. win a prize获奖
30. set up建立，建起
31. recycle books and paper 回收利用书和纸张
32. set up a website to sell them online建立网站来网上销售
33. be known for因……而著名
34. build...out of... 用……修建……
35. pull down拆下；摧毁
36. the importance of...……的重要性
37. the gate in front of the house 房前的大门
38. be brought back to life使复活
39. with a little creativity用小小的创意
40. take public transportation more更多地乘坐公共交通工具
41. ways to cut down on these kinds of pollution降低这些污染的方法
42. get worse and worse变得越来越差
43. upside down上下颠倒；倒转
44. put sth. to good use好好利用某物
45. bring back恢复；使想起；归还
46. not...any more不再
47. be made of... 由……制成
48. environmental protection环境保护
49. not only...but also...不仅……而且……
50. add up合计；加起来
二、重点句子
1. 甚至河底充满了垃圾。
Even the bottom of the river was full of rubbish.
不再有鱼让渔民去捕。
There were no more fish for fishermen to catch.
3. 嗯，为了减少空气污染，我们应该乘公共汽车或地铁，而不是开车。
Well, to cut down air pollution, we should take the bus or subway instead of driving.
4. 因此，我们齐心协力就能起作用并创造更加美好的未来！
So together, our actions can make a difference and lead to a better future!
5. 这种做法不但残忍，而且对环境有害。
This is not only cruel, but also harmful to the environment.
6. 很多人以为鲨鱼永远都不会濒临灭绝，因为它们在食物链中是最强者。
Many believe that sharks can never be endangered because they are the strongest in their food chain.
你曾经参加过环境工程吗？
Have you ever taken part in an environmental project
8.你曾经考虑过到底怎样能将这些东西好好利用吗？
Have you ever thought about how these things can actually be put to good use
9.门窗来自小镇周围拆毁的旧建筑。
The windows and doors come from old buildings around her town that were pulled down.
10.你甚至能在这个城市的艺术商店里看到一些更受欢迎的作品。
The more popular works can even be seen in art shops around the city.
11.艺术不但可以给其他人带来快乐，而且也说明，只需要一点创造力，即便是冰冷、坚硬的铁也可产生活力。
Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.
空气污染正变得越来越严重。
The air pollution is getting worse and worse.
13.你可能从未听说过埃米·海斯，但她是一个很不寻常的女性。
You have probably never heard of Amy Hayes, but she is a most unusual woman.
埃米激励着我们所有人。
Amy is an inspiration to us all.
三、重点知识点梳理
1.save(动词）保存；储存；挽救；节约--[se v] --（P.97）
(1)save energy 节约能量
--save every drop of water 节约每一滴水
(2)save our planet 挽救我们的地球
--save one’s life 挽救某人的生命
词转：safe(形容词)安全的
-- keep sb safe 保证某人安全=ensure one’s safety
2. 积累“use”的用法--（P.97）
（1）used to do sth 过去常常做某事
（2）be used to do ……被用来做某事=be used for doing sth
（3）be used to doing sth.习惯于做某事=get used to doing sth
（4）make good use of... 充分利用...
（5）be used by... 被...使用
3. lead（动词）带领；领导（形容词）领先的-- [li:d] --（P.98）
（1）play the lead role 扮演主角
（2）lead to+名词 导致...
--lead to failure 导致失败
--lead to arguments 导致争吵
（3）lead a … life 过着…的生活
--lead a miserable life for lack of nutrition 因缺乏营养过着悲惨的生活
4. hear(动词）听见--heard--heard --（P.99）
（1）hear sb do sth 听见某人做过某事；听见某人经常做某事
（2）hear sb doing sth 听见某人正在做某事
（3）hear of... 听说...
（4）hear from... 收到...的来信
（5）hear sb clearly 清楚地听到某人讲的话
（6）I'm glad to hear that... 我很高兴听到...
5. harmful(形容词）有害的--[ hɑrmf l] --（P.99）
（1）be harmful to...=do harm to... 对...有害
--be harmful to one’s health 对某人的健康有害
（2）harmful habits 有害的习惯
--harmful materials 有害材料
a harmful chemical 一种有害的化学物质
6. die(动词）死--[da ] --（P.99）
（1）die from... 死于....(疾病等内因）
（2）die of... 死于...（外因）
（3）die for... 为了..而死
（4）die down 逐渐变弱;逐渐消失
词转：death（名词)死亡
--accidental death 意外死亡
词转：dead(形容词）死了的
--Thousands of people have been dead since the start of the war. 自战争开始以来，已有数千人死亡。
7. number（名词）数字；数量；号码--[ n mb r] --（P.99）
(1)a number of… 一些…--作主语谓语动词用复数
-- a number of sticks of equal length 一些数量等长的棍子
-- a growing number of… 越来越多的…
(2)the number of… …的数量--作主语谓语动词用三单
--the number of the volunteers 志愿者的数量
8. protect v.保护--[pr 'tekt]--(P.99)
（1）protect...from/against保护...免受...
--The raincoat protects you from the rain. 雨衣可以保护你免受雨淋。
（2）protect the earth 保护地球
--protect the nature 保护自然
--protect the natural environment 保护自然环境
（3）protect personal information 保护个人信息
词转：protection n.保护
--environmental protection 环境保护
9. develop（动词）发展；研发；加强-- [d 'vel p] --(P.99)
（1）develop a good habit of... 养成一个...的好习惯
（2）develop more creative students 培养更多有创造力的学生
（3）develop an active attitude 培养积极的态度
（4）as space science develops 随着太空科学的发展
词转：development（名词）发展；发育
--with the development of… 随着…的发展
10. need 需要--[ni d] --(P.102)
(1)实义动词：need to do sth 需要做某事
--don’t\doesn’t need to do sth 不需要做某事
(2)情态动词：need do sth 需要做某事
--needn’t do sth 不需要做某事
11. make(动词）制作；使-- [me k] --(P.102)
（1）make sb do sth 使某人做某事
--sb be made to do sth 某人被迫做某事
（2）make +宾语+形容词 使某人...
（3）be made of... 由...制成（能看出原材料）
--be made from... 由...制成（看不出原材料）
--be made up of... 由...组成
12. open（动词）打开（形容词）开着的-- [ p n] --(P.102)
(1)the shop opens =the shop is open 商店开着
(2)opening ceremony 开幕式
(3)such an eye-opening experience 如此令人大开眼界的体验
13. hope(动词)希望 --(P.102)
（1）hope to do sth 希望做某事
（2）hope + (that) 从句 希望某人做某事
（3）I hope so. 我希望如此
--I hope not 我希望不要这样
词转：hopeful（形容词）充满希望的
例句赏析：The students all look up to Mr. Wang and hope they can be like him one day. 同学们都仰慕王老师，希望有一天能像他一样。
课文原句：I hope people can read my book and enjoy it. 我希望人们能读我的书，并喜欢它。
14. create（动词）产生；创造--[kri'e t] --(P.102)
（1）create a better future 创造一个美好的没来
（2）create electricity 产电
（3）sth be created to do .... 某物被创造出来是为了...
词转：creativity（名词）创造力
--creative（形容词）有创造力的
--more creative 更有创造力的
--the most creative 最有创造力的
好句赏析：People were touched deeply by the exciting action, the cool special effects and the creative stories. 人们被激动人心的动作、炫酷的特效和富有创意的故事深深地打动了。
课文原句：Not only can the art bring happiness to others， but it also shows that even cold, hard iron can be brought back to life with a little creativity. 艺术不仅能给别人带来快乐，而且还表明，即使是冰冷、坚硬的铁也可以用一点创造力让它焕发生机。
语法总结
被动语态
被动语态是由“be+及物动词的过去分词”构成的。人称、数和时态的变化都是通过be的变化表现出来的。常考的几种时态的被动语态的结构如下：
一般现在时的被动语态 am/is/are+过去分词
一般过去时的被动语态 was/were+过去分词
一般将来时的被动语态 will be+过去分词am/is/are going to be+过去分词
现在进行时的被动语态 am/is/are+ being+过分词
现在完成时的被动语态 have/has+ been+过去分词
过去进行时的被动语态 was/were+ being +分词
She was asked to make a speech in public.她被要求当众发表演讲。
The jacket is made of cotton.这件夹克衫是用棉布做的。
Thousands of trees have been planted.成千上万棵树已经被种了。
现在完成时
1.现在完成时表示过去发生的动作对现在产生的影响或造成的结果。
We have cleaned the classroom. Now it is very clean.我们打扫过教室了。现在它很干净。
2.现在完成时可以用来表示发生在过去某一时刻且持续到现在的动作或状态，常与“for+时间段”或“since+时间点或一般过去时的从句”连用。
Mary has been ill for three days.玛丽病了三天了。
I have lived in Beijing since two years ago.我从两年前起就一直住在北京。
3.瞬间动词（buy、die、join、come、go、leave等）不能直接与表示一段时间的状语连用，要变成表状态的词汇。如：
buy→have; borrow→keep; come/arrive/reach/
get to→be in; go out→be out; leave→be away;
begin→be on; finish→be over; open→be open;
close→be closed; die→be dead
I have had this bike for three years.这辆自行车我买了三年了。
4.现在完成时通常和already, yet, just, so far, in the last/past few years, in the recent years 等词或短语搭配。
I've saved almost 100 so far.到目前为止，我存了差不多100英镑了。
The company has grown rapidly in the recent years.最近几年这家公司发展迅速。
情态动词
在初中阶段我们学到的情态动词有：
can 表“能力”或“许可”，可以用在否定句中表推测
may 表“许可”，语气较委婉，可以用在肯定句中表推测，肯定语气小于must
must 表示“必须”，语气较为强烈，可以用在肯定句中表推测，肯定的语气很强
have to 强调受客观原因所迫而不得不做某事，主语是第三人称单数时，要用has to. have to变否定句或疑问句时要借助于助动词do、does或did
could could既是can的过去式，本身也是情态动词，用于征求对方意见时，语气较为委婉
shall 用于征求对方的意见时，语气较为委婉，多和第一人称搭配
should 意为“应该”，否定式是 shouldn't“不应该”
need 可以用作情态动词，也可以用作实义动词，作情态动词时，常用在否定句或疑问句中
Had better 后跟动词原形。had better do sth.意为“最好做某事”，否定结构是had better not do sth.
新题通关练
一、用所给单词适当形式填空
1．Lots of trees (plant) on the hill every year.
2．—This is the building I have ever seen. (ugly)
—I disagree with you. I think it’s special.
3．It is only a small thing, but it really makes a (different) to the environment.
4．The waste from daily life in our city is required to be (separate) into four different groups.
5．There was a fire in the building, but (thankful) no one was hurt.
6．Good learning （method）can increase our interest in learning.
7．The couple wished they could have (afford) an even bigger house.
8．Look! Linda (divide) the apples into three groups.
9．Animals that are (lock) in zoos don’t feel happy.
10．Smoking is to health, so please tell your father to give it up. (harm)
二、单项选择
11．Tina ________ playing the piano and Jenny ________ swimming.
A．is good at; do well in B．is good at; does well in
C．be good at; do well in D．be good at; does well in
12．It is important ________ paper to save the trees.
A．recycle B．to recycle C．recycled D．recycling
13．—You are too busy on weekends. You need to relax yourself, Dave!
—You are right! I have to ________ a few of my activities.
A．cut off B．cut down C．cut up D．cut out
14．The price of housing in Hefei is so high that most young men can’t afford ________ a flat.
A．buying B．to buy C．bought D．buy
15．—_______ volunteers will be needed for the event.
—Let’s go and _______ them.
Thousands of; join B．Thousand of; be a member of
C．Three thousand; take part in D．Thousand of; be in
16．I can’t stand people who are ________ to animals. Instead, we should be kind to them.
A．friendly B．thankful C．ugly D．cruel
17．—What do you think is the biggest ________ of shopping websites
—It’s convenient for us to shop online.
A．disadvantage B．position C．advantage D．choice
18．The old man ________ for seven years because of cancer.
A．has died B．has been dead C．is dying D．died
19．—Would you mind my sitting next to you
—________. No one is sitting here.
A．You’d better not B．No, you can’t C．Of course not D．Yes, please
20．—Shall we climb hills this Sunday
—________.
Good idea B．You’re welcome C．You’re right D．Yes, please
三、完型填空
阅读短文，掌握其大意，然后从各题所给的A、B、C和D四个选项中选出最佳选项。
Like most children growing up in the countryside, Mike loved being outdoors and traveled around every inch (英寸) of the area.
With a deep love of the land, he had a strong wish to 21 it. When Mike saw rubbish floating (漂浮) in the rivers, he got 22 . He knew he had to do something. While only in the third grade, Mike started a group. Its purpose was to 23 the countryside and teach other young people about pollution and its dangers.
But Mike faced a challenge (挑战). Because he was 24 , he found it hard to speak out in public. However, with his mom’s help, Mike 25 overcame his fear (克服恐惧). He said, “I took responsibility (责任) and did what needed to be done. When your heart is into it, 26 will stop you.
Mike worked hard to 27 his idea to the public. He handed out leaflets (传单) and even appeared on radio and TV. His efforts (努力) paid off. He won support from several thousand people. And his group 28 and recycled more than 22,000 pounds of rubbish.
Now as a college student, Mike’s 29 remains the same. He often says, “I want to create a 30 life for my kids and grandkids. It’s beautiful countryside, where I’m from, and I want my kids to see it like I see it.”
21．A．practice B．protect C．prepare D．provide
22．A．weak B．tired C．interested D．angry
23．A．clean up B．put up C．set up D．get up
24．A．shy B．sad C．proud D．polite
25．A．clearly B．carefully C．successfully D．traditionally
26．A．anything B．nothing C．something D．everything
27．A．accept B．change C．follow D．introduce
28．A．threw B．got C．collected D．cut
29．A．wish B．chance C．luck D．worry
30．A．busier B．harder C．better D．crazier
四、阅读理解
A
In many parts of the world, many students help their schools make less pollution. They join environment clubs. In an environment club, people work together to keep the environment clean.
Here are the things students often do.
Save the water! Do you know that some toilets can waste twenty to forty tons of water an hour In a year, that would fill a small river! In environment clubs, students repair those broken toilets.
No-car day. On a no-car day, nobody comes to school in a car, neither the students nor the teachers! Cars will cause air pollution. So remember: walk, jump, bike or run. Use your legs! There’s lots of fun!
No-garbage lunches. How much litter do you throw away after lunch Environment clubs ask students to bring their lunches in bags that can be used again. Every week they will choose the classes that make the least garbage to report to the whole school!
We love our environment. Let’s work together to make it clean!
31．By repairing the broken toilets, they save ________.
A．a small river B．a lot of water C．a toilet D．a year
32．On a no car day, ________ will take a car to school.
A．only students B．only teachers
C．both students and teachers D．neither students nor teachers
33．Environment clubs ask students ________.
A．to run to school every day B．to play sports every day
C．not to throw away lunch bags D．not to forget to take cars
34．From this passage we know the students usually have lunch ________.
A．at school B．in clubs C．at home D．in shops
35．The writer wrote the passage to tell students to ________.
A．join clubs B．help teachers C．make less pollution D．clean schools
B
Our world in danger
Thanks to Earth, we have fresh air to breathe, clean water to drink and warm sunshine to enjoy. But it seems that we may have considered those things natural and haven’t realized that our planet is getting “sick”. Now scientists have given us a warning.
More than 15,000 scientists around the world have written a letter to warn about environmental threats (威胁), the Washington Post reported.
Among those environmental challenges, climate change sits at the top. Global average temperatures have risen by more than 0.5℃since 1992. A half-degree temperature rise is a big deal. It means that heat waves would last around a third longer and rainstorms would be about a third more intense (猛烈的). The increase in sea levels would be much higher, according to NASA．Countries like Singapore and Tokyo that are at low altitudes (海拔) may be covered by the ocean in the future.
But this is not the only problem people are facing. It’s getting harder to get fresh water. Ocean pollution has become serious. Since 1992, the human population has grown by 2 billion, while the populations of all other animals have dropped by nearly 30 percent.
Scientists say that we are experiencing the sixth mass extinction (物种大灭绝) in history. More than two-thirds of the world’s wildlife could be gone by the end of the decade if action isn’t taken soon, according to the World Wildlife Fund. The Amur leopard (远东豹), black rhino and cross river gorilla (克罗斯河大猩猩) are some of the most endangered animals.
However, we have made some progress by making the hole in the ozone layer (臭氧层) smaller. That’s because we gradually stopped using chemicals that can break down ozone.
This progress shows that we can make positive changes when we act decisively, the letter says.
36．What does the underlined word “warn” mean
A．建议 B．宣布 C．打击 D．警告
37．Global average temperatures have risen by________ since 1992.
A．more than 0.1℃ B．less than 0.5℃
C．more than 0.5℃ D．more than 5℃
38．A half-degree temperature rise is________.
A．not a big problem B．good news for people
C．a bad thing D．a usual thing
39．Since 1992, the human population has grown while the populations of all other animals have________.
A．reduced B．grown C．increased D．not changed
40．The purpose of this passage is to________.
A．tell people the current state of the Earth
B．call on people to protect the environment
C．display letters written by scientists
D．introduce climate change
五、短文填空
阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
When you are in Beijing, you may see a cartoon image of a cute baby octopus (章鱼). 41 (it) name is Fenxiaomeng. As the mascot (吉祥物) of garbage sorting (垃圾分类) in Beijing, it is 42 popular that you can almost see it everywhere in Beijing.
The mascot 43 (create) by Zhang Zixia last October, a 12-year-old boy from Beijing. When he talked about his mascot, he said 44 (happy), “Now since Fenxiaomeng has become the mascot, I want 45 (keep) it alive by encouraging more people to take part in garbage sorting. ”
Zhang also started 46 green project called “Fenxiaomeng Is in Action”. He and his schoolmates went to communities to spread waste-sorting knowledge. Besides, last month they handed out 2,000 shopping bags. These are beautiful bags 47 Fenxiaomeng on them. They also sell old things for money to plant 48 (tree) in Beijing.
According to Zhang, protecting the environment can be difficult 49 fun. He will keep on doing it because this is what he likes. “I hope 50 (many) and more people will join me and Fenxiaomeng in the future,” said Zhang.
参考答案：
1．are planted
【详解】句意：每年在山上种上许多树。分析句子结构可知，主语“Lots of trees”与动词plant“种植”为被动关系，应用被动语态；且根据“every year”可知，句子时态为一般现在时，因此这里应用一般现在时的被动语态，其结构为is/are/am done；主语“Lots of trees”为第三人称复数，be动词用are，动词plant的过去分词为planted。故填are planted。
2．ugliest
【详解】句意：——这是我见过的最丑的建筑。——我不同意。我认为它很特别。ugly “丑陋的”，是形容词，根据“I have ever seen”以及空前定冠词the可知，此处应用形容词最高级形式，故填ugliest。
3．difference
【详解】句意：这只是一件小事，但它确实对环境产生了影响。make a difference“有影响”，故填difference。
4．separated
【详解】句意：我们城市的日常生活垃圾需要分为四类。be separated into“被分成”，固定用法。故填separated。
5．thankfully
【解析】略
6．methods
【详解】句意：好的学习方法能增加我们学习的兴趣。method：方法，是可数名词，此处表示泛指，要用复数形式，故填methods。
7．afforded
【解析】略
8．is dividing
【详解】句意：看！琳达正在把苹果分成三份。根据“Look!”可知，强调动作正在发生，用现在进行时，故填is dividing。
9．locked
【详解】句意：被关在动物园里的动物不会感到快乐。根据“Animals”和“lock”可知，此处是定语从句，两者之间存在被动关系，结构为be+done，lock的过去分词是locked。故填locked。
10．harmful
【详解】句意：吸烟有害健康，所以请告诉你父亲戒烟。根据“so please tell your father to give it up”及常识可知，吸烟有害健康，be harmful to…“对……有害”，固定词组。故填harmful。
11．B
【详解】句意：蒂娜擅长弹钢琴，珍妮擅长游泳。
考查主谓一致。be good at擅长；do well in擅长。第一个句子的主语是Tina，be动词用is；第二个句子的主语是Jenny，谓语动词用单三does。故选B。
12．B
【详解】句意：回收纸张以保护树木很重要。
考查非谓语动词。此处是结构it is adj. to do sth.“做某事是……的”，it作形式主语，真正的主语是动词不定式。故选B。
13．B
【详解】句意：——你周末太忙了。戴夫，你需要放松一下！——你是对的！我必须减少一些活动。
考查动词短语。cut off切断；cut down减少；cut up切碎；cut out停止。根据“You need to relax yourself, Dave!”以及“You are right!”可知，此处指减少一些活动。故选B。
14．B
【详解】句意：合肥的房价如此之高，以至于大多数年轻人买不起房子。
考查非谓语动词。根据“afford”可知，afford to do“负担得起做某事”，因此此处应用不定式作宾语。故选B。
15．A
【详解】句意：——这次活动需要成千上万的志愿者。——我们去加入他们吧。
考查大数表达和动词辨析。thousands of成千上万，表约指；three thousand三千，表具体数量。thousand of是错误表达，排除BD。join加入；take part in参加。join sb“加入某人”。故选A。
16．D
【详解】句意：我无法忍受那些残忍对待动物的人。相反，我们应该善待它们。
考查形容词辨析。friendly友好的；thankful感谢的；ugly丑陋的；cruel残忍的。根据“Instead, we should be kind to them.”可知，上文应是受不了对动物残忍的人。故选D。
17．C
【详解】句意：——您认为购物网站最大的优势是什么？——我们网上购物很方便。
考查名词辨析。disadvantage缺点；position位置；advantage优点；choice选择。根据“It’s convenient for us to shop online.”可知，这是指网站的优点。故选C。
18．B
【详解】句意：这位老人因癌症已经去世七年了。
考查现在完成时。根据“for six years”可知应该用现在完成时，排除C和D；此处表示“已经去世七年了”，是一种死亡的状态。die是瞬间动词，不能与表示一段时间的时间状语连用，可以换成延续性动词，die的延续性表达应该是be dead。故选B。
19．C
【详解】句意：——你介意我坐在你旁边吗？——当然不。没有人坐在这里。
考查情景交际。You’d better not最好不；No, you can’t不，你不可以；Of course not当然不；Yes, please是的，请。根据“No one is sitting here.”可知，因为没人坐，所以不介意，故选C。
20．A
【详解】句意：——这个星期天我们去爬山好吗？——好主意。
考查情景交际。Good idea好主意；You’re welcome不客气；You’re right你说得对；Yes, please是的，请。根据“Shall we climb hills this Sunday ”可知，此处对对方的提议做出回应，A项表示同意。故选A。
21．B 22．D 23．A 24．A 25．C 26．B 27．D 28．C 29．A 30．C
【导语】本文主要讲述了迈克为了保护农村的环境所做出的努力。
21．句意：他深爱着这片土地，有保护它的强烈愿望。
practice练习；protect保护；prepare准备；provide提供。根据“With a deep love of the land”可知，因为热爱，应是应是有强烈的保护欲，故选B。
22．句意：当迈克看到河里漂着垃圾时，他生气了。
weak虚弱的；tired劳累的；interested感兴趣的；angry生气的。根据“When Mike saw rubbish floating (漂浮) in the rivers”及上文提到他热爱这片土地，对它有强烈的保护欲可知，看到到处都是垃圾，应该会很生气，故选D。
23．句意：它的目的是把农村收拾干净，并教育其他年轻人关于污染及其危害。
clean up打扫干净；put up张贴；set up设置；get up起床。 根据“He knew he had to do something....and teach other young people about pollution and its dangers”可知，看到到处是垃圾，迈克决定做些什么，从而成立了团队来清理这些农村里的垃圾，故选A。
24．句意：因为害羞，他觉得在公众面前说话很困难。
shy害羞的；sad伤心的；proud自豪的；polite有礼貌的。根据“he found it hard to speak out in public”可知，在大众面前讲话比较困难，说明他很害羞，故选A。
25．句意：然而，在妈妈的帮助下，迈克成功地克服了恐惧。
clearly清楚地；carefully认真地；successfully成功地；traditionally传统上。根据“However, with his mom’s help”及后文“Mike worked hard to...his idea to the public.”可知，他成功克服了困难，故选C。
26．句意：当你全身心投入的时候，没有什么能阻止你。
anything任何事情；nothing没什么；something一些事；everything每件事。 根据“When your heart is into it”可知，应是全身心投入的时候，什么也不能阻止你，故选B。
27．句意：迈克努力向公众介绍他的想法。
accept接受；change改变；follow跟着；introduce介绍。 根据“his idea to the public”可知，应是向大众介绍他的想法，故选D。
28．句意：他的团队收集并回收了超过2.2万磅的垃圾。
threw扔；got得到；collected收集；cut切。 根据“...and recycled more than 22,000 pounds of rubbish.”可知，此处指收集和回收垃圾，故选C。
29．句意：现在作为一名大学生，迈克的愿望没有改变。
wish希望，愿望；chance机会；luck好运；worry担心。根据“I want to create a ... life for my kids and grandkids. It’s beautiful countryside, where I’m from, and I want my kids to see it like I see it.”可知，此处指让农村变美的愿望没有变，故选A。
30．句意：我想为我的孩子和孙子创造更好的生活。
busier比较忙碌的；harder更努力的；better更好的；crazier更愚蠢的。 根据“create a ...life for my kids and grandkids.”及迈克成立团队保护环境可知，是想为后代创造更好的生活，故选C。
31．B 32．D 33．C 34．A 35．C
【导语】本文主要介绍了学校的环保俱乐部的一些活动，并呼吁学生一起保护环境。
31．细节理解题。根据“Save the water! Do you know that some toilets can waste twenty to forty tons of water an hour In a year, that would fill a small river! In environment clubs, students repair those broken toilets.”可知，一些厕所一年浪费的水可以填满一条小河，由此推测修厕所可以节省大量的水，故选B。
32．细节理解题。根据“On a no-car day, nobody comes to school in a car, neither the students nor the teachers!”可知，在无车日，老师和学生都不会开车来学校，故选D。
33．推理判断题。根据“Environment clubs ask students to bring their lunches in bags that can be used again.”可知，环境俱乐部要求学生将午餐装在可重复使用的袋子里，由此推测环保俱乐部要求学生不要乱扔午餐袋，故选C。
34．推理判断题。根据“Environment clubs ask students to bring their lunches in bags that can be used again.”可知，环境俱乐部要求学生将午餐装在可重复使用的袋子里，由此推测学生是在学校吃午饭，故选A。
35．主旨大意题。文章介绍了作者学校环保俱乐部有关环境保护的一些活动，最后一段呼吁大家一起保持干净的环境，由此推测作者写这篇文章的目的就是告诉学生少制造污染，故选C。
36．D 37．C 38．C 39．A 40．B
【导语】本篇是一篇说明文。文章讲述了全球多名科学家写信警告人类注意地球环境问题，只有人类果断行动，才能做出积极的改变。
36．词义猜测题。根据第一、二段的描述可知，地球面临很严重的环境问题，这将对我们人类的生存产生威胁，这件事情很严重，所以科学家们写信为了警告我们，可推断划线词意为“警告”。故选D。
37．细节理解题。根据“Global average temperatures have risen by more than 0.5℃since 1992.”可知，自1992年以来，全球平均气温上升了0.5摄氏度以上。故选C。
38．推理判断题。根据“A half-degree temperature rise is a big deal. It means that heat waves would last around a third longer and rainstorms would be about a third more intense.”可知，气温上升半度会导致严重的后果，这是一个不好的事情。故选C。
39．细节理解题。根据“Since 1992, the human population has grown by 2 billion, while the populations of all other animals have dropped by nearly 30 percent.”可知，1992年以来，所有其他动物的数量都下降了。故选A。
40．主旨大意题。本文通过总分总的结构向我们讲述了地球面临的环境问题和后果，用科学家写的信呼吁人类即刻行动起来保护地球环境。故选B。
41．Its 42．so 43．was created 44．happily 45．to keep 46．a 47．with 48．trees 49．but 50．more
【导语】这篇文章介绍了北京的垃圾分类吉祥物“分小萌”，以及创造者张子夏通过宣传垃圾分类知识和开展绿色项目来保护环境的故事。
41．句意：它叫分小萌。根据“name”可知此处用形容词性物主代词修饰名词，故填Its。
42．句意：作为北京垃圾分类的吉祥物，它很受欢迎以致于在北京几乎随处可见。根据“popular that you can almost see it everywhere in Beijing”可知此处考查so...that...“如此……以致于……”，故填so。
43．句意：这个吉祥物是去年10月由来自北京的12岁男孩张子夏创作的。根据“by Zhang Zixia last October”可知此处应为一般过去时的被动形式，主语“The mascot”是单数形式，故填was created。
44．句意：当谈到他的吉祥物时，他高兴地说：“现在，既然分小萌已经成为吉祥物，我想通过鼓励更多的人参与垃圾分类来保持它的生命力。”空缺处修饰动词“said”，应用副词形式，故填happily。
45．句意：当谈到他的吉祥物时，他高兴地说：“现在，既然分小萌已经成为吉祥物，我想通过鼓励更多的人参与垃圾分类来保持它的生命力。”根据“want”可知此处考查wnat to do sth“想要做某事”，故填to keep。
46．句意：张还开始了名为“分小萌在行动”的环保项目。根据“green project”可知此处修饰辅音音素开头的单数名词，故填a。
47．句意：这些是漂亮的包，上面都有分小萌。根据“These are beautiful bags...Fenxiaomeng on them.”可知此处指袋子上有吉祥物图案，故填with。
48．句意：他们还卖掉旧东西换钱在北京种树。根据“They also sell old things for money to plant...in Beijing.”可知要种树，根据常识可知不止一棵树，应用复数形式，故填trees。
49．句意：据张说，保护环境很困难，但很有趣。根据前后单词可知为转折关系，故填but。
50．句意：“我希望将来会有更多人加入我和分小萌的行列，”张说。根据“and more people”可知考查more and more people“越来越多的人”，故填more。
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