牛津译林版（2019）必修 第三册Unit 1 Nature in the balance Assessmen单元练习（有解析）

Unit 1 Nature in the balance
一、阅读理解（本大题共4小题，共8.0分）
A
In both Africa and Asia elephants are being threatened(危及) by changes in their natural habitats. People are moving into the elephants' habitats and endangering their survival. In Sri Lanka, there is one place where elephants are not only protected but also respected. It is called Elephant Transit Home (ETH).
Set up in 1995, the ETH aims to protect and care for baby elephants that are found injured(受伤的) or living without their mothers in the wild. Every year about 30 baby elephants in Sri Lanka need help. Many are brought to the ETH. There they are given food, shelter, and medical care. Most importantly, they are given the chance to be with other elephants and become part of a herd(兽群).
A day at the ETH begins early in the morning when the baby elephants are given their first feeding of milk. During the day, each baby will drink an average of 13 gallons of milk. Older elephants are fed mostly coconut leaves and other native plants. There are no boundaries in the area for the baby elephants as they have the freedom to walk wherever they want. The cost of caring for the baby elephants is high. The ETH spends about $ 125,000 each year on powdered milk for the baby elephants.
At the ETH, workers try to reduce human connections with the elephants. They also try to increase bonds(联系) between the elephants. It is usually three years before a baby elephant is set free into its natural habitat. The elephants are sent back to the wild together with other orphans with whom they have bonded. This program helps them return to the wild as members of a herd that will communicate with each other and take care of each other.
The ETH is considered as one of the best animal protection sites in the world. Not only are the elephants cared for, but they are treated with respect. Most importantly, they go back to live in the wild, where they belong.
1. What do we know about the ETH
A. It helps to keep baby elephants safe.
B. It saves hundreds of elephants every year.
C. It aims to save elephants from extinction.
D. It changes elephants' habitats for the better.
2. What does the underlined word "boundaries" in paragraph 3 mean
A. Extreme climates. B. Dividing lines.
C. Limited foods. D. Natural enemies.
3. Why do the workers reduce human connections with the elephants
A. To train them to stay away from hunters.
B. To provide them with more living space.
C. To study them better in a natural environment.
D. To help them make it in the wild as a herd.
4. What's the purpose of the text
A. To show the ways of wildlife protection.
B. To explain the threats to baby elephants.
C. To introduce an animal protection project.
D. To persuade the readers to protect elephants.
二、阅读七选五（本大题共5小题，共10.0分）
How Not to Annoy Wild Animals at National Parks National parks are treasures that offer people the chance to view native plants and animals in their natural habitat. However, as the number of visitors and wildlife populations increases, humans and animals too often find themselves in close distance. (1)
Remember that the animals living in national parks are wild. Wild animals can be unpredictable and in national parks and many state parks, they are not contained. (2) Never think that it is safe to get close to them.
(3) Stop by the visitor center and take the time to read about the types of wildlife in the park and what to expect. The park service posts these signs to protect you and the wildlife. So, if you see the warning signs, take care.
Make sure you give animals space. The general rule is to keep 25 yards away from all wildlife, and a minimum of 100 yards away from wolves and bears. (4) If you're out hiking and come across wildlife, stick your thumb out and hold it out at eye level. If your thumb covers the entire animal, you're at a safe distance away from that animal.
Some wild animals look lovely and maybe you think handing them a snack or two won't hurt. (5) Feeding wildlife is a bad idea and you risk getting a bite. Plus human food is not healthy for animals and it makes them learn that people aren't the threat. This becomes a vicious cycle(恶性循环) that results in people getting too close and getting hurt. Wild animals have all they need to eat in their environment.
A. But don't do it.
B. You can follow the "rule of thumb".
C. In national parks, there are warning signs everywhere.
D. At certain times of the year, wildlife can be livelier.
E. So it's important to know how to respect wildlife and stay safe.
F. In other words, they go anywhere within the park as they please.
G. You should always pack up food after a picnic at the campground.
5. A. A B. B C. C D. D E. E F. F G. G
6. A. A B. B C. C D. D E. E F. F G. G
7. A. A B. B C. C D. D E. E F. F G. G
8. A. A B. B C. C D. D E. E F. F G. G
9. A. A B. B C. C D. D E. E F. F G. G
三、完形填空（本大题共15小题，共22.5分）
Molai grew up in a tiny village in India. The village lay near some wetlands which became his second (10) . He learned the value and beauty of (11) there from a very young age.
When he was 16, Molai began to notice something (12) happening around his home. A flood had hit the area earlier that year and the (13) it caused had driven away a number of birds. (14) , the number of snakes had declined(减少) as well. He (15) that it was because there weren't enough trees to protect them from the (16) . The solution, of course, was to plant trees so the animals could seek (17) during the daytime. He turned to the (18) department for help but was told that nothing would grow there. However, Molai went looking on his own and (19) a nearby island where he began to plant trees.
(20) young plants in the dry season was (21) for a lone boy. Molai built at the (22) of each sapling(幼树) a bamboo platform, where he placed earthen pots with small holes to (23) rainwater. The water would then drip(滴下) on the plants below.
Molai (24) to plant trees for the next 37 years. His efforts have resulted in 1,360 acres of naturally-grown land that has become home to many plants and animals.
10. A. dream B. job C. home D. choice
11. A. nature B. youth C. culture D. knowledge
12. A. exciting B. interesting C. disturbing D. surprising
13. A. waste B. pressure C. pain D. damage
14. A. Besides B. However C. Therefore D. Otherwise
15. A. agreed B. realized C. remembered D. predicted
16. A. noise B. heat C. disease D. dust
17. A. directions B. partners C. help D. shelter
18. A. labor B. police C. forest D. service
19. A. rebuilt B. discovered C. left D. managed
20. A. Decorating B. Observing C. Watering D. Guarding
21. A. difficult B. dangerous C. fantastic D. helpful
22. A. back B. top C. foot D. side
23. A. cool down B. keep off C. separate D. collect
24. A. returned B. learned C. failed D. continued
四、选词填空-句子（本大题共1小题，共10.0分）
25.
give rise to; build up; come up with; call for;
in defence of; breathe life into; spring to mind; in turn
(1) I hope you can a solution to the question as soon as possible.

(2) Kindness and honesty are words that when talking of the man.

(3) They fought to the last breath freedom and the benefits of the people.

(4) The award was given to the creative young director who had the film industry.

(5) As we all know, lacking knowledge about the cultures of different countries may misunderstandings.

(6) Developing the Yangtze River Economic Belt is a systematic project which a clear road map and timetable.
五、单句语法填空（本大题共8小题，共8.0分）
26. Green development plays an important role in pushing the (economy) development and protecting the environment.
27. We have the greatest respect for Yuan Longping, who devoted himself (entire) to agriculture.
28. As consequence of his hard work, he was eventually admitted to Nanjing University.
29. We should do whatever we can to save the species from (extinct).
30. Learning (strategy), to which teachers attach importance, haven't drawn enough attention of students.
31. It is necessary for us (recycle) paper bags as it is helpful in reducing waste and pollution.
32. The plan was practical, but it broke down with the majority of workers (protest) against it.
33. Though faced with various challenges, Daniels managed to get his life back track quickly.
六、语法填空（本大题共2小题，共30.0分）
34. As the (1) (large) rainforest in the world, the Amazon rainforest plays a significant role in (2) (maintain) the fine balance of the Earth's ecosystem. With an area of around 6 million square kilometres, it is more than half the size of China. The Amazon River, from (3) the rainforest gets its name, supports many different ecosystems.
The Amazon rainforest is home (4) more than 40,000 species of plants known to man. The forest's different levels support an unbelievable (5) (various) of wildlife. Among the plant life, there are more than 1,300 species of birds and over 400 species of mammals. For example, as one element of the forest's food chain, jaguars are close to extinction in other areas (6) they can still survive here.
The Amazon rainforest breathes life into the planet by fixing carbon and producing over 20 per cent of all the Earth's oxygen. (7) , it is often known as the "lungs of the planet". However, due to human activities, about 17 per cent of the rainforest (8) (disappear) over the past 50 years and an increasing number of species are in danger of extinction. Mankind (9) (leave) with a question: can they afford (10) (damage) the "lungs of the planet"
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35. Do you ever stop and think about this big, beautiful world we live in It's home (1) so many people and animals. We all live in this amazing place, so we all have a (2) (responsible) to take care of it, too.
A long time ago, I started thinking about (3) I could do to help take care of the planet. I wondered how I could use my talents for good. I love creating websites, making art and designing clothes. That was what inspired me, at the age of 8, (4) (start) an online company. I donate(捐赠) part of my profits to organizations (5) (do) their best to save our environment. After I (6) (launch) my business, I started getting invited to give (7) (presentation) to young people about my company and the environment. I also talked about something else that is meaningful.
One thing I've learned is that a lot of people feel like (8) small contribution to any cause is just a drop in the bucket and won't make a difference. But that's not true! (9) (actual) when it comes to saving our environment, every small action counts. The (10) (tiny) action is better than the greatest intention.
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七、单词拼写-单句（本大题共6小题，共6.0分）
36. We can observe that AI has already made an i on our lives in many ways.
37. It is a fact that an increase in production will, in turn, lead to an increase in p .
38. Keep a clear head when in danger and you'll protect yourself from serious h .
39. A habitat provides all the resources that a living thing needs to (生存) and develop.
40. As to the problems put forward at the meeting, we must have a (更进一步的) discussion later.
41. Recycling is the (过程) of turning used things into what can be used again.
八、完成句子（本大题共7小题，共14.0分）
42. 使我们感到骄傲的是，近年来中国在脱贫方面已经取得了重大进展。（get rid of）
What makes us proud is that China has made significant progress in in recent years.
43. 由于这项医学技术的应用，一些疾病可以在早期得到治疗。（due to；application）
________, some diseases can be treated at an early stage.
44. 据报道，新建的公路是旧公路的三倍长。（length）
It is reported that the newly-built road is the old one.
45. 首次引入市场时，他们公司的这些新产品便获得了巨大的成功。（状语从句的省略）
, these new products of their company enjoyed great success.
46. 面对诸如全球变暖那样的普遍问题，当今世界不同地区的人们应该携手合作。（hand in hand）
Faced with those universal problems such as global warming, people in different parts of the world today .
47. 我们是时候要对世界气候给予足够的重视并过低碳生活，否则后果将会很严重。（climate）
It's high time that we and led a low-carbon life, or the consequence would be too serious.
48. 根据表格内的写作要求及括号内的汉语提示将文章补充完整。
你校组织英语演讲活动，请以Wildlife Protection为主题写一篇演讲稿。内容包括：
(1)野生动物面临的问题；
(2)保护野生动物的措施；
(3)你的呼吁。
Good morning, ladies and gentlemen!
(1) (我很荣幸站在这里) and give you a short speech. (2) (今天我的主题是“野生动物保护”).
Nowadays (3) (许多野生物种正在灭绝) at an alarming rate (4) (因为非法捕猎), pollution and (5) (栖息地的丧失). (6) (为了保护稀有野生动物免遭灭绝), the authorities have set up wildlife reserves (保护区) and taken measures to (7) (使人们意识到) the importance of protecting the endangered wildlife. But please remember: it is (8) (地球上的每一个人) that (9) (有责任保护野生动物). We can volunteer, donate money and so on. (10) (只有当我们学会与自然和谐相处时) can we protect the wildlife!
Thank you very much!
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
答案和解析
1~4.【答案】A、B、D、C
【解析】【文章大意】本文介绍了一个名为ETH的组织，它旨在保护和照顾那些在野外受伤或失去母亲的小象。ETH被认为是世界上最好的动物保护基地之一。在那里大象不仅得到照顾，而且受到尊重。
1. 根据第二段中的Every year about 30 baby elephants in Sri Lanka need help. Many are brought to the ETH. There they are given food, shelter, and medical care.可知，斯里兰卡每年大约有30头小象需要帮助，很多的小象被带到ETH，在那里它们得到食物、住所和医疗照顾。所以ETH有助于保护小象的安全。故选A。
2. 根据划线词所在句中as they have the freedom to walk wherever they want可知，小象们在这个区域没有边界，它们可以自由走动。所以划线词boundaries意为“边界线”。故选B。
3. 根据第四段中的This program helps them return to the wild as members of a herd that will communicate with each other and take care of each other.可知，工作人员减少人类与大象之间的联系，以帮助它们作为一个群体在野外生存。故选D。
4. 通读全文，结合第一段中的In Sri Lanka, there is one place where elephants are not only protected but also respected. It is called Elephant Transit Home (ETH).可知，本文主要介绍斯里兰卡的动物保护组织——ETH。故选C。
5~9.【答案】E、F、C、B、A
【解析】1. 【文章大意】本文就如何不惹恼国家公园里的野生动物提出了一些建议。
根据本文标题How Not to Annoy Wild Animals at National Parks以及上句However, as the number of visitors... in close distance（随着游客和野生动物数量的增加，人类和动物经常发现他们之间的距离很近。）可知，空处主要叙述要去尊重野生动物，保护自己的安全。E项（所以知道如何尊重野生动物和保持安全是很重要的。）承接上文，符合语境。故选E。
2. 根据上句Wild animals can be unpredictable and in national parks and many state parks, they are not contained.以及下句Never think that it is safe to get close to them.可知，空处主要叙述在园区里野生动物活动是自由的，不受拘束的。F项（换句话说，在园区内它们想去哪儿就去哪儿。）承上启下，符合语境。故选F。
3. 根据本段中的The park service posts these signs to protect you and the wildlife.（公园张贴这些标志是为了保护你和野生动物。）以及So, if you see the warning signs, take care.可知，空处与园区里的警告标志相关。C项（在国家公园里，到处都有警告标志。）引出下文，符合语境，选项中warning signs为词汇复现。故选C。
4. 根据下句If you're out hiking and come across wildlife, stick your thumb out... away from that animal.（如果你在户外徒步旅行时遇到了野生动物，把你的拇指伸出来，放在与眼睛同高的位置。如果你的拇指覆盖了整个动物，那么你就离那个动物有一段安全的距离。）可知，空处与使用拇指判断与动物的距离有关。B项（你可以遵循“拇指规则”。）引出下文，符合语境。故选B。
5. 根据空后两句Feeding wildlife is a bad idea and you risk getting a bite.以及Plus human food is not healthy for animals and it makes them learn that people aren't the threat.可知，空处主要叙述投喂野生动物这件事是不好的，不要这么做。A项（但不要这样做。）引出下文，符合语境，选项中it指代文中的投喂野生动物这件事。故选A。
10~24.【答案】C、A、C、D、A、B、B、D、C、B、C、A、B、D、D
【解析】1. 【文章大意】本文讲述Molai在16岁时发现由于洪水的破坏，他家乡的鸟和蛇的数量减少，于是他开始寻求解决方法。发现种树可以解决问题后，他坚持种树多年，为动植物建造了一个家园。
句意：村庄附近有一些湿地，那里成为了他第二个家。A.dream梦想；B.job工作；C.home家；D.choice选择。由上句Molai grew up in a tiny village in India.以及空前的second可知，他出生的村庄是他的家，村庄附近的一些湿地成为了他的第二个家。故选C。
2. 句意：在那里他很小就知道了大自然的美丽和价值。A.nature大自然；B.youth青春；C.culture文化；D.knowledge知识。根据上句中The village lay near some wetlands以及常识可知，湿地展现了大自然的价值和美。故选A。
3. 句意：16岁时，Molai开始注意到他家周围发生了一些令人不安的事情。A.exciting兴奋的；B.interesting有趣的；C.disturbing令人不安的；D.surprising惊讶的。由下句A flood had hit the area earlier that year and the (4) it caused had driven away a number of birds.可知，洪水的发生赶走了鸟儿，这是令人不安的事情。故选C。
4. 句意：那年早些时候，一场洪水袭击了这个地区，洪水造成的损害使得许多鸟也离开了。A.waste浪费；B.pressure压力；C.pain疼痛；D.damage破坏。由句中A flood had hit the area以及常识可知，洪水造成了很大的破坏。故选D。
5. 句意：此外，蛇的数量也减少了。A.Besides此外；B.However然而；C.Therefore因此；D.Otherwise否则。由上句中had driven away a number of birds以及下句that it was because there weren't enough trees to protect them可知，洪水破坏了环境，使许多鸟儿离开家园，还使许多蛇的数量减少了。故选A。
6. 句意：他意识到那是因为没有足够的树来保护它们免受炎热。A.agreed同意；B.realized意识到；C.remembered记得；D.predicted预测。根据句中that it was because there weren't enough trees to protect them以及下句The solution, of course, was to plant trees so the animals could seek (8) during the daytime.可知，此处是说明他意识到动物减少的原因。故选B。
7. 句意同上。A.noise噪音；B.heat热；C.disease疾病；D.dust灰尘。根据句意以及常识可知，树木可以提供阴凉，从而保护鸟类和蛇类免受炎热的影响。故选B。
8. 句意：当然，解决办法就是种树，这样动物们在白天可以寻找遮蔽物。A.directions方向；B.partners同伴；C.help帮助；D.shelter遮蔽物。根据上句中there weren't enough trees to protect them from the (7) 以及句中during the daytime可知，树木可以给动物们提供遮蔽。故选D。
9. 句意：他向森林部门求助，但是却被告知那里寸草不生。A.labor劳动；B.police警察；C.forest森林；D.service服务。根据空后department for help以及语境，结合常识可知，Molai因为种树的事情，需向森林部门求助。故选C。
10. 句意：然而，Molai自己去看了看，接着发现了一个位于附近的小岛，他开始在那里植树。A.rebuilt重建；B.discovered发现；C.left留下；D.managed管理。由句中的Molai went looking on his own以及语境可知，此处表示Molai自己去看后，发现了一个可以种树的小岛。故选B。
11. 句意：对于一个单独的小男孩而言，旱季给幼苗浇水是个非常艰巨的任务。A.Decorating装饰；B.Observing观察；C.Watering浇水；D.Guarding守护。根据倒数第二段下文中The water would then drip(滴下) on the plants below.以及句中young plants in the dry season可知，此处指在旱季给幼苗浇水。故选C。
12. 句意同上。A.difficult难的；B.dangerous危险的；C.fantastic极好的；D.helpful有帮助的。通读本段可知，该段后半部分叙述的是Molai想尽办法收集水的努力，结合该句中的the dry season可知，此处指在旱季给幼苗浇水很难。故选A。
13. 句意：Molai在每棵幼树的顶部都建了一个竹子平台，他把带小孔的陶罐放在那里来收集雨水。A.back背部；B.top顶端；C.foot脚；D.side一边，一侧。由下句The water would then drip(滴下) on the plants below.可知，水滴在下面的植物上。由此推知，竹子平台应该在每棵树苗的顶端。故选B。
14. 句意同上。A.cool down冷却；B.keep off避开；C.purify净化；D.collect收集。根据句中earthen pots以及常识可知，陶罐是用来盛水的；结合语境可知，他将陶罐放到竹子平台上收集雨水。故选D。
15. 句意：Molai在接下来的37年里继续植树。A.returned回归；B.learned学习；C.failed失败；D.continued继续。由下句His efforts have resulted in 1,360 acres of naturally-grown land that has become home to many plants and animals.可知，他的努力使1360英亩的天然土地成为许多动植物的家园。由此推知，在接下来的37年里，他继续种树。故选D。
25.【答案】【小题1】
come up with
【小题2】
spring to mind
【小题3】
in defence of
【小题4】
breathed life into
【小题5】
give rise to
【小题6】
calls for
【解析】1. 句意： 我希望你能尽快想出一个解决这个问题的办法。根据句意以及备选词可知，come up with想出，固定短语，符合语境。情态动词can后接动词原形。故填come up with。
2. 句意：谈到这个人时就会马上想到“正直”和“诚实”这两个词。根据句意以及备选词可知，固定短语spring to mind想到，浮现在脑海，符合题意。根据语境可知，定语从句为一般现在时，that指代先行词words，空处为动词原形。故填spring to mind。
3. 句意：他们为捍卫自由和人民的利益而战斗到最后一刻。根据句意以及备选词可知，固定短语in defence of保护，捍卫，符合语境。故填in defence of。
4. 句意： 该奖被授予给给电影工业注入活力的有创造力的年轻导演。根据句意以及备选词可知，固定短语 breathe life into注入活力，符合语境。主句为The award was given to the creative young director，所以定语从句也为一般过去时，应用过去式breathed。故填breathed life into。
5. 句意：都知道，缺乏对不同国家文化的了解可能会引起误解。根据句意以及备选词可知，固定短语give rise to导致，引起，符合语境。情态动词may后接动词原形。故填give rise to。
6. 句意：长江经济带建设是一项系统工程，需要有明确的路线图和时间表。根据句意以及备选词可知，固定短语call for要求，需要，符合语境。根据语境可知，定语从句为一般现在时，which指代先行词a systematic project，空处为动词第三人称单数形式。故填calls for。
26.【答案】economic
【解析】句意：绿色发展在促进经济发展和保护环境方面起着重要的作用。分析句子可知，空处修饰名词development，应用形容词；economic，意为“经济的，经济上的”，符合语境。故填economic。
27.【答案】entirely
【解析】句意：我们非常尊重袁隆平，他完全献身于农业。分析句子可知，空处作状语修饰动词devoted，应用副词entirely，意为“完全地”。故填entirely。
28.【答案】a
【解析】句意：因为他的努力，他最终被南京大学录取。分析句子可知，此处考查固定短语as a consequence of，意为“因为……”，故填a。
29.【答案】extinction
【解析】句意：我们应该做我们能做的任何事情使这种物种免于灭绝。分析句子可知，空处作介词from的宾语，表示“灭绝”，应用名词extinction。故填extinction。
30.【答案】strategies
【解析】句意：老师们重视的学习策略还没有引起学生们的足够关注。分析句子可知，strategy作“策略”时为可数名词。结合谓语动词haven't drawn可知，空处应用名词复数。故填strategies。
31.【答案】to recycle
【解析】句意：对我们来说，循环利用纸袋是有必要的，因为这有助于减少浪费和污染。分析句子可知，此处为固定句型it is+adj.+for sb+to do sth.，意为“对某人来说，做某事是……”，it作形式主语，真正的主语是动词不定式。故填to recycle。
32.【答案】protesting
【解析】句意：这个计划可行，不过它并未成功，因为大多数工人反对这个计划。分析句子可知，此处是“with +宾语+宾语补足语”结构。the majority of workers与protest之间是逻辑上的主谓关系，应用动词-ing形式作宾语补足语。故填protesting。
33.【答案】on
【解析】句意：尽管面对各种各样的挑战，Daniels成功使他的生活很快重回正轨。分析句子可知，此处考查固定短语back on track“重新步入正确轨道，恢复正常”。故填on。
34.【答案】【小题1】
largest
【小题2】
maintaining
【小题3】
which
【小题4】
to
【小题5】
variety
【小题6】
but
【小题7】
Thus/Therefore
【小题8】
has disappeared
【小题9】
is left
【小题10】
to damage
【解析】1. 根据句中he Amazon rainforest以及空前的the，结合常识可知，此处指“世界上最大的雨林”，应用形容词的最高级largest。故填largest。
2. 分析句子可知，空处作介词in的宾语，应用动词-ing形式。故填maintaining。
3. 分析句子可知，空处引导非限制性定语从句，指代先行词The Amazon River，在从句中作介词from的宾语，应用which引导。故填which。
4. 分析句子可知，此处为固定短语be home to，意为“……的家园”，符合语境。故填to。
5. 分析句子可知，此处为固定短语a variety of...，意为“各种各样的……”，符合语境。故填variety。
6. 根据空前后句jaguars are close to extinction in other areas以及they can still survive here可知，前后句表示转折，应用连词but。故填but。
7. 根据上句The Amazon rainforest breathes life into the planet by fixing carbon and producing over 20 per cent of all the Earth's oxygen.和空后it is often known as the "lungs of the planet"可知，此处为因果关系，空处表示“因此”。结合空后的逗号可知，此处应用副词thus或therefore。句首单词的首字母需大写。故填Thus/Therefore。
8. 根据句中时间状语over the past 50 years可知，此处表示过去发生的动作对现在造成的影响，应用现在完成时，结构为have/has done。主语为about 17 per cent of the rainforest，助动词应为has。故填has disappeared。
9. 分析句子可知，空处为谓语动词。根据上下文语境可知，此处应用一般现在时；且Mankind与leave之间是动宾关系，应用一般现在时的被动语态，主语为Mankind，be动词为is。故填is left。
10. 分析句子可知，此处为固定短语afford to do sth，意为“承担得起做某事”，后接动词不定式。故填to damage。
35.【答案】【小题1】
to
【小题2】
responsibility
【小题3】
what
【小题4】
to start
【小题5】
doing
【小题6】
launched
【小题7】
presentations
【小题8】
a
【小题9】
Actually
【小题10】
tiniest
【解析】1. 分析句子可知，此处为固定搭配be home to sb/sth，意为“是……的家园”。故填to。
2. 分析句子可知，此处为固定搭配have a responsibility to do sth，意为“有责任做某事”。故填responsibility。
3. 分析句子可知，空处引导宾语从句，且在宾语从句中作宾语，表示“……的事物”，应用what引导。故填what。
4. 分析句子可知，此处为固定搭配inspire sb to do sth，意为“激励某人做某事”，后接动词不定式。故填to start。
5. 分析句子可知，空处为非谓语动词，此处指“我把一部分的盈利捐给那些尽全力保护环境的组织”，organizations与动词do之间是逻辑上的主谓关系，应用动词-ing形式作后置定语。故填doing。
6. 根据上下文语境可知，此处描述过去发生的事情，故用一般过去时，应用动词launch的过去式launched。故填launched。
7. 分析句子可知，空处作宾语，且空前无限定词修饰，应用名词复数。故填presentations。
8. 分析句子可知，空后contribution意为“贡献”，是可数名词，此处表示泛指；且small的发音以辅音音素开头，空处应为不定冠词a。故填a。
9. 分析句子可知，空处作状语修饰整个句子，应用副词。句首单词的首字母需大写。故填Actually。
10. 分析句子可知，此处指“最微小的行动胜过最伟大的计划”，强调保护环境可以从最小的事情做起的重要性。结合空后的greatest可知，此处应为形容词的最高级tiniest。故填tiniest。
36.【答案】impact
【解析】句意： 我们可以观察到，人工智能已经在许多方面影响了我们的生活。根据句意以及首字母提示可知，此处考查固定短语make an impact on...“对……产生影响”。故填impact。
37.【答案】profit/profits
【解析】句意： 产量的增加反过来会导致利润的增加，这是一个事实。根据句意以及首字母提示可知，此处指“利润，收益，盈利”，为名词profit，即为可数名词也为不可数名词。故填profit/profits。
38.【答案】harm
【解析】句意：在危险时保持清醒的头脑，你就会保护自己免受严重的伤害。分析句子可知，空处应用名词作宾语。结合句意以及首字母提示，harm伤害，不可数名词，符合语境。故填harm。
39.【答案】survive
【解析】句意： 栖息地提供了生物生存和发展所需的所有资源。分析句子可知，空处为动词原形。结合句意以及中文提示，survive生存，动词，符合语境。故填survive。
40.【答案】further
【解析】句意：至于会上提出的问题，我们以后还要进一步讨论。分析句子可知，空处为形容词作定语。结合句意以及中文提示可知，further更进一步的，形容词，符合语境。故填further。
41.【答案】process
【解析】句意： 回收是把用过的东西变成可以再次使用的东西的过程。分析句子可知，此处为名词作表语。根据中文提示以及句意可知，process过程，可数名词，符合语境；结合空前定冠词the可知，此处为可数名词单数形式。故填process。
42.【答案】getting rid of poverty
【解析】根据中英文提示可知，空处指“脱贫”。get rid of poverty脱贫，固定短语。介词in后接动词-ing形式。故填getting rid of poverty。
43.【答案】Due to the application of this medical technology
【解析】根据中英文提示可知，空处指“由于这项医学技术的应用”。due to由于，固定短语；application应用，名词；medical technology医学技术，固定短语。句首单词的首字母需大写。故填Due to the application of this medical technology。
44.【答案】three times the length of
【解析】根据中英文提示可知，此处指“三倍长”。结合句子结构，此处应用比较结构：be+倍数+the size/length/weight/...+of+比较对象。three times三倍，固定短语；length长度，名词。故填three times the length of。
45.【答案】When first introduced to the market
【解析】根据中英文提示可知，空处指“首次引入市场时”，此处为when引导的时间状语从句的省略。first首次，副词；market市场，名词。introduce引入，介绍，动词，与从句省略的主语these new products of their company之间为被动关系，应用动词-ed形式introduced；句首单词的首字母需大写。故填When first introduced to the market。
46.【答案】should work hand in hand
【解析】根据中英文提示可知，should应该，情态动词，后接动词原形；work hand in hand携手合作，固定短语，符合语境。故填should work hand in hand。
47.【答案】gave enough attention to our world climate
【解析】根据中英文提示可知，空处指“对世界气候给予足够的重视”。根据句中并列的谓语动词led可知，本句为一般过去时；give enough attention to对……足够重视，固定短语，give应用其过去式gave；world climate世界气候，固定短语。故填gave enough attention to our world climate。
48.【答案】【小题1】I'm honored to stand here/It's my honor to stand here
【小题2】Today my topic is "Wildlife Protection"
【小题3】many wildlife species are dying out
【小题4】because of/due to illegal hunting
【小题5】habitat loss
【小题6】In order to save/protect rare wildlife from extinction
【小题7】make people aware of/realise
【小题8】everyone on Earth
【小题9】has the responsibility to protect wildlife
【小题10】Only when we learn to live in harmony with nature
【解析】1. 很荣幸做某事be honored to do sth./It's one's honor to do sth.；分析语境可知，此处应用一般现在时；句首单词的首字母需大写。故填I'm honored to stand here/It's my honor to stand here。
2. 主题topic；野生动物保护Wildlife Protection；结合语境，谓语应用be动词，且为一般现在时；主语topic为单数，be动词应用is。句首单词的首字母需大写。故填Today my topic is "Wildlife Protection"。
3. 许多野生物种many wildlife species；灭绝die out；根据句意和汉语提示，此处谓语应用现在进行时，且主语species为复数形式。故填many wildlife species are dying out。
4. 因为because of/due to；非法捕猎illegal hunting；结合句意和汉语提示，故填because of/due to illegal hunting。
5. 栖息地habitat；丧失loss；结合语境和汉语提示，此处应用名词和pollution并列，故填habitat loss。
6. 为了in order to do sth.；稀有野生动物rare wildlife；保护……免遭……save/protect...from...；灭绝extinction；分析句子可知，设空处作状语，表示目的；句首单词的首字母需大写。故填In order to save/protect rare wildlife from extinction。
7. 使某人……make sb.+adj./do；意识到（be） aware of/realise；结合空前的不定式符号to，此处应用动词原形，故填make people aware of/realise。
8. 地球上的on Earth；每个人everyone；结合语境可知，设空处作主语，故填everyone on Earth。
9. 有责任做某事have the responsibility to do sth.；保护野生动物protect wildlife；分析句子可知，设空处作谓语；结合语境和主语everyone，谓语动词应用一般现在时has。故填has the responsibility to protect wildlife。
10. 学会做某事learn to do sth.；与自然和谐相处live in harmony with nature；分析句子可知，本句为部分倒装句；结合汉语提示，此处应用“only+when引导的状语从句”来引起倒装；句首单词的首字母需大写。故填Only when we learn to live in harmony with nature。
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