Unit 7 What's the highest mountain in the world?语法填空（含解析）

2023-2024学年八年级英语下册单元必刷题（人教版）
Unit 7 What’ s the highest mountain in the world
01
阅读短文，用括号内所给词的正确形式填空，使短文完整、正确。
Of all jobs most liked by others in the world, panda keepers may be near the top of all. It’s necessary for three professionals (专业人员) 1 (take) care of the two pandas day in and day out. 2 (they) names are Zhenda and Shuang’er. They are at a zoo in Dongguan, Guangdong Province.
Shi Hanrong 3 (arrive) at the panda house at 7:00 a.m. every day. He cleans the doors of all rooms and 4 (prepare) food for the pair. Liu Qiao and Zhu Mingsheng are the other two 5 (keep). They usually spend some time 6 (wash) four baskets of bamboo shoots. They 7 (weight) about 100 kilograms and serve as the two pandas’ main food for the day. Fresh bamboo shoots are taken by plane every two days to the zoo from Chengdu Research Base of Giant Panda Breeding. It’s to keep the bamboo shoots 8 (fresh) than others.
“It’s not an easy job to take care of pandas 9 (good),” Liu said. Panda keepers should be responsible (有责任心的) and kind. And they should have experience of 10 (raise) animals.
02
Animals are 11 (people) friends. But many wild animals are facing the 12 (dangerous) of dying out, because the environment that they are living in has 13 (change) greatly. For example, their living area has become smaller and smaller because of 14 (pollute) and the development of cities.
They have no room to live in except the zoo. And many of the wild animals now can’t find enough food to eat. At the same time, man is 15 (kill) off animals just for getting their fur, teeth and meat. People should realize 16 serious the situation is. Something should be done to protect the animals. We should set 17 some nature reserves so that animals can live freely.
And people shouldn’t be 18 (allow) to kill the endangered animals. We should also do something to make our world 19 (clean). Fresh air, clean water and green grass are all important 20 animals. The death of the endangered animals will bring a disaster to human beings.
03
根据短文内容及所给提示，写出空白处所缺单词。
Without plants people could not live. Imagine a world 21 plants. Imagine no flowers with their sweet 22 (smell), their beautiful colours and their lovely shapes (形状). Imagine when the wind blows, not being able to 23 (hear) the leaves rustle (发出沙沙声) on the trees or watch the branches swing from side to 24 .
25 people need the beauty of plants. That is why we have parks 26 of trees and flowers and people always try to build houses with room for some grass and a garden. Do you talk to your 27 (plant) Do you give them love and care Two scientists said they once planted two 28 (seed) in different places. While the plants were growing, one plant was given love and 29 (hope) ideas. The other plant was given only hopeless ideas. After six months, the loved plant was bigger. Under the earth, it had more and longer roots; above the earth, it had a thicker stem and more 30 (leaf).
04
All 31 (live) things on earth depend on each other. At the same time, they all need sunlight. But only plants can 32 (turn) sunlight into food for themselves. Plants make food from sunlight, water and things in the 33 (soil) and air. They also help to clean the air. Plants are 34 (importance) to people. They help us fulfill our 35 (basic) needs. So we should plant plants.
There are some steps for planting. First, we make a hole and make sure it is big enough to hold the roots 36 the seedling. Then put the seedling inside, 37 (cover) the roots and fill the hole 38 dirt. We must look after the plants 39 (careful), or they will die.
In a word, it’s important 40 plant. We should plant many plants around us.
05
根据句子意思，用所给单词的适当形式填空，未提供单词的根据上下文填入适当的词。
The rattlesnake is a poisonous (有毒的) American snake. When it is angry or afraid, it makes a noise like a rattle (响板) 41 its tail. It’s very scary. But Heather and her husband make a living in an 42 (usual) way. They catch snakes, especially rattlesnakes.
Heather says her work is protecting people from rattlesnakes and protecting rattlesnakes from people. She does her job very 43 (care). Rattlesnakes often come face to face with people in houses or gardens. Many people are afraid of 44 (they). Heather explains that it’s not the snakes that are moving into these places. It’s 45 other way round. The snakes lived in these places first and then the people built houses. Also, 46 you stand away, they will go away quietly. So just keep clam.
It is Heather’s 47 (twelve) year as a snake catcher. However, for so many years, she 48 (touch) a snake only once. In most cases, she picks up the snakes with a special tool. This doesn’t hurt them, but it keeps them at a safe 49 (distant).
Heather and her husband are very busy because they are never off duty. Few people would like 50 (do) this job, but Heather enjoys it. “I love my job,” she says.
06
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Elephants are the biggest animals on land now. They are very big. They can’t see very well. 51 (they) eyes are on the side of their heads, so they have to move the whole body 52 (look) at things. All the elephants have very good hearing, 53 they don’t all have big ears.
Elephants live in both Africa and Asia. They can live 54 about 70 years. That is a long time. Elephants spend 75% of the day 55 (eat). They eat a lot of plants and trees. They don’t eat other animals. Elephants also need to drink a lot of water. They drink more than 250 litres (升) of water 56 day.
Elephants are very 57 (luck) because other animals don’t attack them. Sometimes baby elephants are attacked by lions and crocodiles. However, there 58 (be) a bigger problem for elephants than lions and crocodiles. It’s human beings. Human beings have killed many elephants. 59 (part) of the elephants are worth a lot of money, so people want 60 (get) the parts and sell them. People also kill the elephants when they come close to houses or towns.
07
阅读下面短文，在空白处填入一个适当的单词或用括号内所给单词的适当形式填空。

For the whole year, I waited for the summer holidays to start all the time, because I would visit my uncle’s family in 61 (Indian). My cousins were waiting for me. Finally I reached there on June 9th.
In the evening when we were discussing what 62 do the next day, my uncle advised us to visit an elephant sanctuary (保护区). We were so 63 (excite). I love elephants.
The place was not far. The bus ride only took half an hour. My uncle said it used 64 (be) a great palace
(宫殿). Before I got in, I 65 (fear) that the elephants might stamp (踩) on me, but soon I got relaxed. I saw a cute baby elephant. Then many more came over. Some elephants were taking a shower while others were resting 66 the trees. The guide told 67 (we) that there were 49 elephants. They ate mostly palm leaves (棕榈叶). Each took about 68 (third) bundles (捆) of palm leaves at a time.
My cousins and I fed the elephants and took lots of photos of them. Soon we had to leave. On our way home, we kept talking 69 the visit happily. Later that night I dreamt of 70 (play) with elephants. It was truly an unusual journey in my life.
08
阅读下面短文， 按照句子结构语法性和上下文连贯的要求，在空白处填入 1 个适当的单词或用括号中词语的正确形式填空。
A soldier who was at war looked after his horse with great care. He gave it the best grass to eat and 71 (clean) water to drink. He kept its coat clean and covered it with a warm quilt 72 cold nights. As a result, the horse was strong and served the soldier quite well in the World War I.
73 , the soldier changed after the war. He made the horse live in a small and cold stable(马厩) and gave it very little food to eat. The stable had a leaky(漏雨的) roof and a floor made of mud; the water inside was dirty and muddy. The soldier had the horse work hard on his farm, 74 (carry) heavy things every day.
After some time, another war broke out. The soldier took out his weapons(武器) and prepared 75 (join) the battle. He went to the stable to lead his horse. He 76 (lay) a leather saddle (马鞍) on its back and rode on it.
For a moment, the horse stood there and didn’t move. The soldier kicked it. Then 77 (gradual) its thin legs began to kneel down slowly to the ground. The horse gave the soldier a look of 78 (sad).
“Master (主人), ” it said, “you’ll have to fight on foot this time. You have made me work like 79 elephant and fed me like a sheep. I’m no longer the strong horse that you once helped 80 (I) become. Can you see what you’ve done ”
09
短文填空。根据短文内容及括号中所给词语在空白处填人适当的单词，使文章通顺、完整。
Dear sir and madam,
I’m writing to tell you about the 81 （dangerous）tigers are facing.
Tigers are big and strong. They can run fast but only 82 a short while. They live in the forest, but now they are 83 （lose）their living areas. That’s 84 people keep cutting down forests to make more farmland and
build more houses. Some hunters are trying to catch them to get 85 （them）fur and bones. They sell them for money. So the number of tigers is becoming much 86 （small）. I’m feeling very sorry for that. I think it’s really 87 shame that some people try to kill tigers. It’s time that we should do something 88 （protect）tigers.
If humans continue to destroy the forest and make money through tigers’ fur or bones, there will be no 89 （remain）tigers in the near future. I advise everyone not to buy anything made of tigers fur or bones. Let’s try together to ask the government to help protect tigers. I hope you can 90 （accept）my advice and requests!
Yours sincerely,
Simon
10
Animals are our friends. We share the same world with them. But many kinds of animals are in danger for many 91 (reason).
Blue whale is one of them. They are the largest animals in the world. They mainly feed 92 the smallest animals in the ocean. Now they are in danger because 93 (they) living environment (环境) is getting bad. First, some people make their ocean home dirty. Second, some people kill them 94 their meat. Third, there is more and more man-made noise in the sea. It 95 (make) it hard for blue whales to talk with each other. Because of these, the number of blue whales is becoming smaller and 96 (small).
Sloth (树獭) is another one. They are the world’s 97 (slow) moving animals in the world. They mainly live in South America. They are funny, 98 lots of people like them very much. Sloths spend so much time 99 (stay) in the trees. They are also in danger because people cut down too many trees in the forest. Sloths will have no place 100 (live) in if we don’t do anything for them.
Now it’s time for us to do something to protect them.
参考答案：
1．to take 2．Their 3．arrives 4．prepares 5．keepers 6．washing 7．weigh 8．fresher 9．well 10．raising
【导语】本文讲述了熊猫饲养员的工作。
1．句意：需要三个专业人员日复一日地照顾这两只熊猫。It’s necessary for sb. to do sth.“对某人来说做某事是必要的”，故填to take。
2．句意：它们的名字是珍大和双儿。此空需要形容词性物主代词their“它们的”修饰空后的名词names。故填Their。
3．句意：史汉荣每天早上7点就到熊猫馆。结合“every day”可知时态为一般现在时，主语是第三人称单数Shi Hanrong，谓语动词arrive用三单形式。故填arrives。
4．句意：他打扫所有房间的门，为这两个熊猫准备食物。结合“cleans”可知此处表并列的prepare也应用三单形式。故填prepares。
5．句意：刘乔和朱明生是另外两名饲养员。空前是two，后接名词，需用复数的keepers“饲养员”。故填keepers。
6．句意：他们通常会花一些时间洗四筐竹笋。spend doing sth.“花费做”，故填washing。
7．句意：它们重约100公斤，是两只大熊猫当天的主要食物。此空需用动词weigh“重”做谓语部分，时态为一般现在时，主语是复数，动词用原形。故填weigh。
8．句意：这是为了让竹笋比其他竹笋更新鲜。结合than可知需用比较级，故填fresher。
9．句意：照顾好熊猫也不是一件容易的工作。此空需要副词well作状语，故填well。
10．句意：而且他们应该有饲养动物的经验。介词of后接动名词形式。故填raising。
11．people’s 12．danger 13．changed 14．pollution 15．killing 16．how 17．up 18．allowed 19．cleaner 20．for
【导语】本文主要讲述了动物是人类的朋友，但是因为人们的行为导致它们处于灭绝的危险之中，号召人们应该意识到形势的严重性并采取措施保护动物。
11．句意：动物是人类的朋友。根据“friends”可知，空处用名词所有格形式。故填people’s。
12．句意：但是许多野生动物正面临着灭绝的危险，因为它们生活的环境发生了巨大的变化。根据“facing the ... of”可知，空处应跟名词danger“危险”，face the danger“面临危险”。故填danger。
13．句意：但是许多野生动物正面临着灭绝的危险，因为它们生活的环境发生了巨大的变化。由“has”可知，空处用过去分词与其构成现在完成时。故填changed。
14．句意：例如，由于污染和城市的发展，它们的居住面积变得越来越小。of后跟名词形式，pollution“污染”，不可数名词。故填pollution。
15．句意：与此同时，人类为了得到动物的皮毛、牙齿和肉而屠杀动物。由“man is... off”可知，空处用现在分词killing与is一起构成现在进行时。故填killing。
16．句意：人们应该意识到形势有多么严重。根据“... serious the situation is”可知，此处为感叹句，中心词是形容词serious，用how引导，表示“多么”。故填how。
17．句意：我们应该建立一些自然保护区，以便动物们可以自由地生活。set up“建立”，为固定短语。故填up。
18．句意：人们不应该被允许杀死濒危动物。根据“people shouldn’t be...”可知，空处应用过去分词与be一起构成被动语态。故填allowed。
19．句意：我们也应该做点什么让我们的世界更干净。根据“We should also do something to make our world”可知，此处是指让我们的世界更干净，空处用形容词比较级cleaner“更干净的”，作宾语补足语。故填cleaner。
20．句意：新鲜的空气、干净的水和绿色的草地对动物来说都很重要。be important for“对……很重要”。故填for。
21．without 22．smells 23．hear 24．side 25．Everywhere 26．full 27．plants 28．seeds 29．hopeful 30．leaves
【导语】本文介绍了植物对人类世界的重要性。
21．句意：想象一个没有植物的世界。根据“Without plants people could not live. Imagine a world…plants”可知，此处指想象一个没有植物的世界。without“没有”，介词。故填without。
22．句意：想象没有芬芳的花朵。smell“气味”，名词，根据“their”可知，此处指各种花的气味，故用其复数形式。故填smells。
23．句意：想象一下，当风吹过时，既听不到树叶在树上沙沙作响，也看不到树枝左右摆动。hear“听到”，动词。be able to do sth.“能够做某事”，故用动词原形。故填hear。
24．句意：想象一下，当风吹过时，既听不到树叶在树上沙沙作响，也看不到树枝左右摆动。from side to side“左右，来回”。故填side。
25．句意：人们到处都需要植物的美。根据“That is why we have parks…of trees and flowers…”可知，人类世界有很多满是植物的花园，说明无论在哪里人们都需要植物的美。everywhere“无论何处”，句首首字母大写。故填Everywhere。
26．句意：这就是为什么我们有满是树木和鲜花的公园。根据“we have parks…of trees and flowers”可知，此处是短语full of“满是……，充满……”。故填full。
27．句意：你和你的植物说话吗？plant“植物”，名词。根据下文“them”可知，用其复数形式。故填plants。
28．句意：两位科学家说，他们曾经在不同的地方种下两颗种子。seed“种子”，可数名词，被two修饰，用其复数形式。故填seeds。
29．句意：当这些植物生长的时候，有一株植物被赋予了爱和希望。hope“希望”，动词/名词。根据“one plant was given love and…ideas”可知，此处指被给予爱和希望的想法。hopeful“希望的”，形容词，作定语。故填hopeful。
30．句意：在地上，它有一个更厚的茎和更多的叶子。根据“it had a thicker stem and more…”可知，此处指植物有更多的叶子，故用名词复数leaves“叶子”。故填leaves。
31．living 32．turn 33．soil 34．important 35．basic 36．of 37．cover 38．with 39．carefully 40．to
【导语】本文介绍了地球上所有的生物都相互依赖，重点介绍了种植植物的方法。
31．句意：地球上所有的生物都相互依赖。根据“All...things on earth”可知是指地球上的生物，living thing“生物”。故填living。
32．句意：但是只有植物才能把阳光转化为自己的食物。turn是动词，情态动词can后用动词原形，故填turn。
33．句意：植物利用阳光、水以及土壤和空气中的物质来制造食物。soil“土壤”，不可数名词，故填soil。
34．句意：植物对人很重要。importance是名词，此处应用形容词作表语，故填important。
35．句意：它们帮助我们满足基本需求。basic“基本的”，形容词作定语修饰空后名词，故填basic。
36．句意：首先，我们挖一个洞，确保它足够大，可以容纳幼苗的根。根据“roots...the seedling.”可知是指幼苗的根，应用of所有格，故填of。
37．句意：然后把幼苗放在里面，盖住根部，用泥土把洞填满。根据“Then put the seedling inside...the roots and fill the hole”可知此处是祈使句，动词用原形，故填cover。
38．句意：然后把幼苗放在里面，盖住根部，用泥土把洞填满。fill...with...“用……装满”，为固定短语。故填with。
39．句意：我们必须仔细照料这些植物，否则它们会死的。careful是形容词，修饰动词，应用副词，故填carefully。
40．句意：总之，种植很重要。此处是it作形式主语，动词不定式作真正的主语，故填to。
41．with 42．unusual 43．carefully 44．them 45．the 46．if 47．twelfth 48．has touched 49．distance 50．to do
【导语】本文主要是介绍捕蛇者Heather和她的丈夫对响尾蛇的保护。
41．句意：当它生气或害怕的时候，它用它的尾巴发出像拨浪鼓一样的声音。根据“its tail”可知用尾巴发出声音，空格处需要介词with，故填with。
42．句意：但是Heather和她的丈夫以一种不同寻常的方式谋生。根据“They catch snakes, especially rattlesnakes.”可知他们的谋生方式不寻常，空格处需要填形容词“不同寻常的”，即unusual，故填unusual。
43．句意：她工作非常小心。根据“does her job”可知空格处应填副词，care的副词形式是carefully，故填carefully。
44．句意：很多人都害怕它们。根据“of”可知空格处需要填they的宾格形式，即them，故填them。
45．句意：事实恰好相反。根据“it’s not the snakes that are moving into these places.”和“The snakes lived in these places first and then the people built houses.”可知不是蛇进入了人类的地方，而是人类进入了蛇生活的地方，所以情况恰恰想法，空格处需要填定冠词the，故填the。
46．句意：而且，如果你走开，它们会悄悄地离开。根据“they will go away quietly.”可知是在假设，空格处应填if，故填if。
47．句意：这是Heather作为捕蛇者的第十二年。根据“year as a snake catcher”可知是第十二个年头，空格处需要填序数词，twelve的序数词是twelfth，故填twelfth。
48．句意：然而，这么多年来，她只碰过一次蛇。根据“for so many years”可知原句是指从过去到现在，需要用现在完成时态，即has/have done，主语是she，空格处应填has touched，故填has touched。
49．句意：这不会伤害它们，但会让它们保持安全距离。根据“at a safe”可知空格处应填名词单数，distant的名词形式是distance，故填distance。
50．句意：很少有人愿意做这份工作。would like to do sth.“想要做某事”，是固定搭配，空格处应填to do，故填to do。
51．Their 52．to look 53．but 54．for 55．eating 56．a 57．lucky 58．is 59．Parts 60．to get
【导语】本文主要介绍了大象的一些基本信息。
51．句意：它们的眼睛在头的一侧，所以它们必须移动整个身体来看东西。空后有名词eyes，其前需用形容词性物主代词their“它们的”修饰。故填Their。
52．句意：它们的眼睛在头的一侧，所以它们必须移动整个身体来看东西。根据“move the whole body...”可知，此处是用动词不定式作目的状语。故填to look。
53．句意：所有的大象都有很好的听力，但它们并不都有大耳朵。前后句之间是转折关系，需用连词but“但是”连接。故填but。
54．句意：它们可以活70年左右。空后“about 70 years”是一段时间，需用介词for。故填for。
55．句意：大象一天中75%的时间都在吃东西。spend time doing sth“花费时间做某事”。故填eating。
56．句意：它们每天喝250升以上的水。根据“They drink more than 250 litres (升) of water...day.”可知，此处是指每天。a day意为“一天”。故填a。
57．句意：大象很幸运，因为其他动物不会攻击它们。be动词are后跟形容词作表语。luck的形容词为lucky“幸运的”。故填lucky。
58．句意：然而，大象面临的问题比狮子和鳄鱼更大。空后“a bigger problem”是单数，be动词用is。故填is。
59．句意：大象的一部分很值钱，所以人们想得到这些部分并出售。根据“are”可知，主语是复数概念。Parts of“……的一部分”。故填Parts。
60．句意：大象的一部分很值钱，所以人们想得到这些部分并出售。want to do sth.“想要做某事”。故填to get。
61．India 62．to 63．excited 64．to be 65．feared 66．under 67．us 68．three 69．about 70．playing
【导语】本文介绍了作者去印度拜访叔叔，并和表姐一起去保护区参观大象的事情。
61．句意：整整一年，我一直在等待暑假的开始，因为我要去印度探望叔叔一家人。Indian意为“印度的”，形容词，这里需用表示国家的名词India意为“印度”。故填India。
62．句意：晚上，当我们讨论第二天该做什么的时候。what to do意为“做什么”，是“疑问词+动词不定式”结构。故填to。
63．句意：我们太激动了。这里应该用修饰人的形容词excited意为“激动的”。故填excited。
64．句意：我叔叔说那曾经是一座大宫殿。这里是：used to be意为“过去是”，需用动词不定式。故填to be。
65．句意：在我进去之前，我担心大象会踩在我身上，但很快我就放松了。根据“Before I got in,”可知，这里叙述过去发生的事情，因此用过去式，fear的过去式为feared。故填feared。
66．句意：一些大象在洗澡，另一些大象在树下休息。由后文的提示词the trees可知，这里指大象在树下休息，under意为“在……下面”。故填under。
67．句意：导游告诉我们有49头大象。told是动词，后跟宾格代词，we的宾格代词为us。故填us。
68．句意：每个人一次大约吃三捆棕榈叶。分析句子结构可知，这里用基数词，three意为“三”。故填three。
69．句意：在回家的路上，我们一直愉快地谈论着这次旅行。由空前面的talking可知，这里需用talk about意为“谈论”。故填about。
70．句意：那天晚上晚些时候，我梦见和大象玩。空前面的of是介词，这里用动名词。play意为“玩”，其动名词为playing。故填playing。
71．the cleanest 72．on 73．However 74．carrying 75．to join 76．laid 77．gradually 78．sadness 79．an 80．me
【导语】本文主要讲述了一匹马在战士们精心的照顾下变得很强壮，也可以在战争中发挥优势。战争结束后，战士们就不像以前那样照顾这匹马，待战争再一次爆发，战士又想骑着这匹马时，这匹马告诉主人它已经不是以前那匹强壮的马了。
71．句意：他给它吃最好的草，喝最干净的水。and连接两个并列关系，根据“the best grass”可知，此空也应填形容词最高级，且形容词最高级前要有the，故填the cleanest。
72．句意：他保持它的外套干净，在寒冷的夜晚给它盖上温暖的被子。“cold nights”是指在寒冷的夜晚，前应加上时间介词on，故填on。
73．句意：然而，士兵在战后改变了。第一段所描述的内容与第二段开头“the soldier changed after the war. He made the horse live in a small and cold stable”是转折关系，且空格后有逗号隔开，应填副词however表示“然而”，故填However。
74．句意：这个士兵让这匹马在他的农场里辛苦地干活，每天驮着沉重的东西。此空作伴随状语，应填一个现在分词，故填carrying。
75．句意：士兵拿出武器，准备参加战斗。prepare to do sth“准备去做某事”，动词不定式作宾语，故填to join。
76．句意：他把一个皮马鞍放在它的背上，骑在上面。根据“rode”可知，句子是一般过去时，动词用过去式，故填laid。
77．句意：然后，它的细腿开始慢慢地跪在地上。此空修饰动词kneel down，要用副词，故填gradually。
78．句意：马向士兵投去悲伤的一瞥。of后接名词，sad对应的名词是sadness，故填sadness。
79．句意：你让我像大象一样干活，却像喂羊一样喂我。此处表示“像一头大象”，elephant是以元音音素开头的，故填an。
80．句意：我不再是你曾经帮助我成为的那匹强壮的马。动词help后接人称代词宾格作宾语，故填me。
81．danger 82．for 83．losing 84．because 85．their 86．smaller 87．a 88．to protect 89．remaining 90．accept
【分析】文章是西蒙写的倡议书，呼吁大家来保护野生老虎，老虎正在失去它们家园，因为人们砍伐树木、猎人猎杀老虎为了得到它们的毛和骨头，老虎的数量正在减少，他建议每个人都不去买虎制品，也希望政府能够接受建议去保护老虎。
81．句意：我写信是想告诉你们老虎面临危险。
根据句意和句子结构，可知是定语从句，这里是先行词，在从句中做宾语，所以名词形式；故填danger。
82．句意：它们跑得很快，但是只能跑一会。
根据for+时间段，for a short while一小会；故填for。
83．句意：但现在它们正在失去生活区。
根据now可知是现在进行时态，结构是be doing，故填losing。
84．句意：那是因为人们不断砍伐森林来建造更多的农田和房屋。
根据but now they are 　　3　　（lose）their living areas.可知是因为；故填because。
85．句意：一些猎人正在为了它们的皮毛和骨头设法抓它们。
根据fur and bones可知用形容词性的物主代词来修饰；故填their。
86．句意：老虎的数量正在变得小得多。
根据much修饰形容词比较级 ……的多；故填smaller。
87．句意：我认为有人试图杀死老虎真是一种耻辱。
根据句意和不定冠词的用法，可知是a；不定冠词a/an一个，通常用于泛指，a用于辅音音素开头的单词前，an用于元音音素开头的单词前；故填a。
88．句意：是我们采取措施来保护老虎的时候了。
根据句子结构，可知是不定式作后置定语修饰something；故填to protect。
89．句意：在不久的将来不会有剩余的老虎。
根据句子结构可知是用形容词修饰名词tigers，remaining剩余的；故填remaining。
90．句意：我希望你们能接受我的建议和要求。
根据can情态动词，后用动词原形；故填accept。
91．reasons 92．on 93．their 94．for 95．makes 96．smaller 97．slowest 98．so 99．staying 100．to live
【导语】本文主要讲述了蓝鲸和树獭成为濒危动物的原因，呼吁大家保护动物。
91．句意：但是许多种类的动物由于许多原因处于危险之中。many后接可数名词的复数形式，所以空格处应填名词reason“原因”的复数形式，故填reasons。
92．句意：它们主要以海洋中最小的动物为食。feed on意为“以……为食”，故填on。
93．句意：现在它们处于危险之中，因为它们的生活环境越来越恶劣。根据空后的名词短语“living environment”可知，空格处应填they的形容词性物主代词their“它们的”，故填their。
94．句意：其次，有些人为了它们的肉而杀了它们。根据“kill them...their meat”可知，此处表示为了它们的肉而杀死它们，介词for“为了”符合语境，故填for。
95．句意：这使得蓝鲸很难相互交流。根据语境可知，时态是一般现在时，主语It表示单数，所以谓语动词make应填第三人称单数形式，故填makes。
96．句意：由于这些原因，蓝鲸的数量越来越少。结合提示词和“smaller and”可知，本题考查“比较级+and+比较级”结构，意为“越来越……”，所以空格处应填形容词small“小的”的比较级，故填smaller。
97．句意：它们是世界上移动最慢的动物。结合提示词和“in the world”可知，此处应用形容词slow“缓慢的”的最高级形式，故填slowest。
98．句意：它们很有趣，所以很多人都很喜欢它们。分析“They are funny...lots of people like them very much.”可知，后句是前句的结果，空格处意为“所以”，故填so。
99．句意：树懒花很多时间待在树上。spend time doing sth.“花时间做某事”，结合提示词，空格处应填动
词stay“待”的动词-ing形式，故填staying。
100．句意：如果我们不为树懒做点什么，它们将没有地方住。分析“Sloths will have no place...in”可知，空格处应填动词不定式，作定语修饰名词place，结合提示词，空格处应填to live，故填to live。