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Unit 4 Amazing Plants and Animals 基础达标评价卷
(时间: 70 分钟 满分:90分)
一、单项选择(本大题共20小题，每小题1分，共20分)
1．—What do you think we should do to protect our earth
—We can start from small ________. For example, we can pick up litter in the park.
A．subjects B．matches C．habits D．actions
2．— The new movie star is really popular.
— Yes, and he will________ on the talk show this evening.
A．appear B．happen C．follow D．become
3．—I studied so hard, but I didn’t pass the exam.
—Oh no! That’s too bad. You must be really ________.
A．surprised B．disappointed C．interested D．excited
4．—I heard your team lost the basketball game yesterday. That’s too bad.
—Well, ________, we didn’t lose. We won!
A．quickly B．brightly C．actually D．certainly
5．—Who will go to the cinema tonight
—Everyone in our class will go there ________ Frank. He is ill at home.
A．except B．besides C．between D．without
6．—Can I use your color pencils
—Sure, feel free ________ them. I’m not using them now.
A．use B．to use C．using D．uses
7．—Which is ________ season in your hometown
—I think it’s spring. Everything is so beautiful in the spring.
A．nice B．nicer C．nicest D．the nicest
8．—What are you going to do this weekend
—I’m going to the library ________ find some information about my work.
A．thanks to B．instead of C．in order to D．for this reason
9．—Your parents always say you are excellent. Can you ________ their praise
—I’ll try my best. I don’t want to let them down.
A．live up to B．take care of C．come up with D．fall in love with
10．—You mean that we’ll work on the farm tomorrow
—________. That’s what I’m trying to say.
A．Probably B．Exactly C．Especially D．Hopefully
11．—Why didn’t Mr. Wu choose Jack to do the class project
—Because he always does things ________ in his class.
A．carefully B．less carefully
C．the most carefully D．the least carefully
12．Do you often communicate __________ English __________ your classmates
A．in; with B．with; in C．in; to D．with; to
13．Success is connected ________ hard work.
A．with B．to C．for D．from
14．Jenny became ________ girl in her class in Grade Six.
A．the tallest B．taller C．tall D．as
15．The Yangtze River is one of ________ rivers in the world.
A．long B．longer C．the longest D．the longer
16．Hard work ______ achieving success.
A．plays a big role in B．makes a difference to C．looks forward to D．pays attention to
17．Basketball is so popular a game in the world and ______ people play it for fun and exercise.
A．million of B．millions of C．two millions D．two millions of
18．—What’s the city flower of Nantong
―Chrysanthemum. It’s ________ peace, nobility (高尚) and so on. And people like to enjoy them around Double Ninth Festival.
A．a symbol of B．a list of C．a cycle of D．a sense of
19．____be a doctor, you have to study for five years in college.
A．So as to B．In order to C．So that D．Such that
20．The ________ ending of the film ________ many of the audience.
A．disappointed; disappointed B．disappointed; disappointing
C．disappointing; disappointed D．disappointing; disappointing
二、完形填空(本大题共10小题，每小题1分，共10分)
请通读下面短文，掌握其大意，从每小题所给的四个选项中选出一个最佳答案。
We’re studying birds for Bird Week at school. Some lucky kids got penguins, but I have to write about 21 .
On the first day, I watched pigeons in the park. All morning long, they just knocked around and left droppings (粪) everywhere. I thought they were really boring and 22 . When a girl started feeding them, the pigeons flew to her 23 . They looked really scary (吓人的)!
On the second day, I did some online research. To 24 surprise, pigeons can recognize (认出) themselves in mirrors. Are they so clever I decided to go and 25 them again.
The next morning, I was back at the park. I saw a pigeon looking at itself in the 26 ! Maybe I was wrong about them. To know more about them, I headed to the library. I 27 that there are over 200 kinds of pigeons. Some can fly thousands of kilometers without 28 . They can fly over 100 km a (an) 29 —as fast as my dad’s car!
In the end, I realized pigeons aren’t boring or 30 at all. They’re truly amazing; I just didn’t know enough about them before.
21．A．monkeys B．mice C．pigeons D．elephants
22．A．dirty B．pretty C．sleepy D．sweet
23．A．slowly B．quickly C．softly D．quietly
24．A．their B．your C．my D．his
25．A．eat B．feed C．watch D．buy
26．A．air B．water C．ground D．sky
27．A．found B．advised C．dreamt D．explained
28．A．counting down B．getting lost C．doing exercise D．coming out
29．A．minute B．hour C．day D．week
30．A．happy B．delicious C．humorous D．scary
三、阅读理解(本大题共15小题，每小题2分，共30分)
A
Long ago, when the God first planted a tree in the garden, it was full of energy and kept moving. Then the God pulled the tree out and planted it upside down to make sure it stays in one place. What’s the tree It’s the Baobab tree, also called monkey bread tree, bottle tree or others.
The Baobab tree is a strange looking tree that grows in Africa and Australia. Just like its name “Bottle Tree”, it looks like a large bottle. Some grow as tall as a 16-floor building. During the dry season, these trees are standing there without leaves, and look like trunks (树干) sticking up in the air. But when the rainy season comes, leaves appear and then flowers come out. Later, the flowers can turn into fruit.
Baobab is called “the tree of life”, because they can live longer than 1000 years old. In the dry land, the baobab can pull in and hold 1,000 gallons of water. Thirsty people can drink the water stored in the tree. The fruit, monkey bread, is good to eat. Baobab leaves are a kind of medicine. People can use the bark (树皮) to make paper or cloth. When a baobab gets old, its trunk becomes hollow. An old tree can hold many people. The local people often build their houses inside these trunks. It is such a useful tree; some people could hardly live without it.
31．How does the writer begin the text
A．By asking a question. B．By showing a story.
C．By singing a song. D．By giving an example.
32．Which of the following pictures is the baobab in the dry season
A． B． C． D．
33．Which word is close to the meaning of the underlined word “hollow” in Paragraph 3
A．dirty B．modern C．empty D．useful
34．The following sentences are right except ________.
A．Baobab has many names B．Flowers come out in rainy seasons
C．The oldest baobab is less than 1,000 years old D．The leaves of baobab are good medicine
35．What’s the best title of the passage
A．God and Baobab B．What Does Baobab Like in a Year
C．Baobab’s Trunk, Leaves and Fruit D．A Special Tree-Baobab
B
Do animals communicate with each other How do they communicate with others I did some research and, to my surprise, I learned that all animals communicate. They don’t use language, but they send messages (信息) to each other. Animals communicate with each other in three main ways: through sounds, smells, and body language.
The alarm (警报) call is one way. When an enemy is near, animals send out a warning sound. Others hear it and run to a safe place, or get together to fight the enemy. Whales (鲸鱼) are famous for their talent to communicate from far away with special sounds. In their own social groups, whales understand what they’re saying to each other.
Smell is another popular way for animals to communicate. Some animals such as the amoeba (变形虫) send out a smell to tell other amoebas it’s going to have babies. Skunks send out an odour when they feel they are in danger.
Skunk
Many animals use body language to communicate. Chimpanzees (黑猩猩) touch hands when they meet. A happy dog moves its tail from side to side. Even people understand this form of dog body language.
People develop their own ways of communicating, using words and sentences. But if you watch other animals carefully, you quickly come to understand that they also have ways of sending their messages.
36．How does the writer start the topic
A．By listing numbers. B．By telling a story. C．By asking questions. D．By showing an old saying.
37．What do the underlined words “an odour” mean
A．A loud sound. B．A terrible smell. C．A bright colour. D．A special shape.
38．What does the writer want to show by giving us the example of dogs
A．Animals can communicate with sound. B．Animals can communicate with smell.
C．Animals can communicate in three ways. D．Animals can communicate with body language.
39．What’s the structure (结构) of the text (P1= Paragraph 1, P2=Paragraph 2,…)
A． P1/P2/ P3 P4 P5 B．P1/P2 P3 P4/P5 C．/P1/P2 P3 /P4 P5 D． P1/P2 P3 P4 P5
40．What’s the best title for the text
A．How to Protect Animals B．How Animals Communicate
C．Why Body Language Matters D．What Animals Can Communicate
C
短文还原，有两项多余。
Tomatoes are very popular in the world. We use them in many dishes and soups. But how much do you really know about them In this article, we’ve put together some fun facts about tomatoes for you!
41 But in fact, they are fruits because they have seeds (种子) and grow from flowering plants. Tomato plants first grew in the Andes Mountains of South America. 42
There are many kinds of tomatoes around the world. They come in different sizes. 43
But some can be up to more than 20 cm across and weigh a few kilos. And tomatoes aren’t always red. They can be yellow, purple, black and even white!
44 The English word “tomato” came from the Spanish (西班牙语的) word “tomate”. And the Spanish learned the word from the Aztec language (阿兹特克语) “tomatl”.
People not only make tomatoes into different kinds of dishes, but also hold some interesting festivals for the fruit. La Tomatina in Spain is one of the most famous tomato festivals. 45 During the festival, people throw about 150,000 tomatoes at each other. What a mess (混乱)! But it sounds interesting!
A．Many people think tomatoes are vegetables.
B．Most tomato fruits are the same size as tennis balls.
C．Do you know how the fruit got its name
D．Today, they grow in almost every country in the world.
E．They thought eating tomatoes could bring them bad luck.
F．Eating tomatoes is good for our health.
G．The festival takes place on the last Wednesday of August every year.
四、选词填空(本大题共10小题，每小题1.5分，共15分)
communicate, ocean, which, long, tool, ton, fast, run, two, world
Do you know what the world’s fastest animal is How about the world’s smartest animal Do you know 46 animal lives the longest Let’s read about some of these amazing animals.
The 47 animal in the world is the cheetah. Cheetahs can run at about 120 kilometers an hour. When they are 48 at that speed (速度), they spend more time in the air than on the ground. Blue whales are the 49 largest animals. They are about 33 meters long, and they weigh around
170 50 . Blue whales eat about 3,600 kilograms of food every day. Of course, the smartest animal in the world is the human. The 51 smartest animal is the chimpanzee (黑猩猩). Chimps can make 52 and build things. They can also solve problems. Some chimps can even use their hands to make words and 53 . Other very smart animals include dolphins and parrots. Most people believe that tortoises live the longest in the world. It’s true that tortoises live 54 than other animals on land. In fact, some 55 animals live longer. Some koi, a kind of goldfish, can live for more than 200 years.
六、书面表达(本大题共15分)
56．假如你是李华，你对野生动物很感兴趣。寒假中，你将邀请Henry在一起研究你最喜欢的一种野生动物，请根据下图完成电子邮件。
注意事项：
1. 邮件须包括所给提示内容，可作适当发挥，要求语句通顺、意思连贯；
2. 词数不少于90，邮件的首尾已给出，不计入总词数；
3. 邮件不使用真实的人名、校名等相关信息。
Dear Henry,
How is everything going I like wild animals very much. I want to invite you to study my favourite animal with me.
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
_____________________________________________________________________________________
I will be very happy if you can join me. Looking forward to seeing you soon.
Yours sincerely,
Li Hua
参考答案
一、
1．D
【详解】句意：——你认为我们应该做些什么来保护地球？——我们可以从小事做起。例如，我们可以在公园里捡垃圾。
考查名词辨析。subjects科目、主题；matches比赛、火柴；habits习惯；actions行动。根据“For example, we can pick up litter in the park.”可知，在公园捡垃圾是具体的保护地球的行为。“start from small...”强调从微小的事情入手，“actions”表示“行动”，符合“捡垃圾”这类具体行为的描述。故选D。
2．A
【详解】句意：——这位新电影明星真的很受欢迎。——是的，而且他今晚将会出现在脱口秀节目中。
考查动词辨析。appear出现；happen发生；follow跟随；become变成。根据“on the talk show”可知，这里表示出现在节目中，appear可用于此表达中。故选A。
3．B
【详解】句意：——我学习很努力，但还是没通过考试。——哦不！太糟糕了。你一定非常失望。
考查形容词辨析。surprised惊讶的；disappointed失望的；interested感兴趣的；excited兴奋的。根据“—I studied so hard, but I didn’t pass the exam. —Oh no! That’s too bad. You must be really...”可知，努力学习却没通过考试，这种情况通常会让人产生失落情绪。“disappointed”表示“失望的”，符合因努力未达预期而产生的负面感受。故选B。
4．C
【详解】句意：——我听说你们队昨天输了篮球赛。那太糟糕了。——嗯，其实我们并没有输。我们赢了！
考查副词辨析。quickly迅速地；brightly明亮地；actually实际上；certainly当然。根据“Well…we didn’t lose. We won!”可知，实际上，“我们”赢了比赛，没有输。故选C。
5．A
【详解】句意：——今晚谁会去电影院？——我们班除了弗兰克之外每个人都会去。他生病在家。
考查介词辨析。except除……之外（不包括在内）；besides除……之外（还包括在内）；between在……之间；without没有。根据“—Who will go to the cinema tonight —Everyone in our class will go there...Frank. He is ill at home.”可知，弗兰克因生病不去电影院，班级其他人都去。“except”表示排除在外，即弗兰克不在去的人之中，符合语境。故选A。
6．B
【详解】句意：——我可以用你的彩色铅笔吗？——当然，请随意使用它们。我现在不用它们了。
考查非谓语动词。feel free to do sth.“随意做某事”，固定搭配。故选B。
7．D
【详解】句意：——你家乡哪个季节最好？——我想是春天。在春天，一切都是那么美丽。
考查形容词最高级。nice好，形容词原级；nicer比较好的，形容词比较级；nicest最好的，形容词最高级；the nicest形容词最高级前加the。季节通常有四个，属于三者以上的比较，须用最高级，最高级前用定冠词the。故选D。
8．C
【详解】句意：——这个周末你打算做什么？——我要去图书馆找一些关于我工作的信息。
考查介词短语。thanks to多亏了；instead of而不是；in order to为了；for this reason由于这个原因。根据“I’m going to the library…find some information about my work.”的语境可知，此处表示去图书馆的目的，C项符合。故选C。
9．A
【详解】句意：——你父母总说你很优秀。你能不辜负他们的赞誉吗？——我会尽力。我不想让他们失望。
考查动词短语。live up to不辜负、达到；take care of照顾、照料；come up with想出、提出；fall in love with爱上。此处是在询问能否达到父母的期望。“live up to”表示“不辜负”，与前文“praise”呼应，指不辜负父母的夸奖，符合语境。故选A。
10．B
【详解】句意：——你的意思是我们明天在农场干活？——确实。这就是我想说的。
考查副词辨析。Probably大概；Exactly（答语，表示赞同或强调正确）一点不错，正是如此，完全正确；Especially尤其；Hopefully怀有希望地。根据“That’s what I’m trying to say.”可知，答话人认为说话人说的是正确的。故选B。
11．D
【详解】句意：—— 为什么吴老师没选杰克做班级项目？—— 因为他在班里做事总是最不认真。
考查副词最高级。根据 “in his class” 可知，比较范围是三者及以上，用最高级。根据“Why didn’t Mr. Wu choose Jack to do the class project ”说明杰克做事最不认真。故选 D。
12．A
【详解】句意：你经常和同学们用英语交流吗
考查介词。in穿着，在……里面；with用，和；to到。固定搭配“in English 用英语” 和“communicate with sb. 与某人交流”。故选A。
13．A
【详解】句意：成功与努力有关。
考查形容词短语。A.be connected with与……相连/联系；B. be connected to接通/连接……；C. be connected for连接到……；D. be connected from连接自……。根据句意可知，故选A。
14．A
【详解】句意：珍妮在六年级时成为她班上最高的女孩。
考查形容词最高级用法。became是系动词，后接形容词；再根据“in her class in Grade Six”可知，此处要用最高级。故选A。
15．C
【详解】句意：长江是世界上最长的河流之一。
考查形容词最高级。long长的，原级；longer更长的，比较级；the longest最长的，最高级；the longer两者中较长的那个。根据“in the world”可知，句子使用“one of+the+形容词最高级+可数名词复数”，表示 “最……之一”。是在世界范围内进行比较，指的是世界上最长的河流之一。故选C。
16．A
【详解】句意：努力工作在取得成功中起着很大的作用。
考查动词短语。plays a big role in 表示 “在…… 中起重要作用”，此句意思是努力工作在取得成功中起重要作用；makes a difference to 意为 “对…… 有影响”，强调改变；looks forward to 表示 “期待”，后接动名词；pays attention to 意为 “注意”。根据题意可知，努力工作在取得成功中起着很大的作用。故选 A。
17．B
【详解】句意：篮球是世界上很受欢迎的一项运动，数以百万计的人为了娱乐和锻炼而打篮球。
考查数词。million of表达错误；millions of数百万的；two millions错误表达；two millions of表达错误。million表示概数时，后加s并加of；表示确切的数量时，前用数词，后面不加s不加of。根据“...people”可知，此处应用millions of，表示“数百万的人”。故选B。
18．A
【详解】句意：——南通的市花是什么？——菊花。它象征着和平、高尚等等。人们喜欢在重阳节前后欣赏它们。
考查介词短语。a symbol of……的象征；a list of一系列的；a cycle of……的周期；a sense of一种……的感觉。根据“Chrysanthemum. It’s ... peace, nobility (高尚) and so on”可知，是指菊花是和平、高尚等的象征。故选A。
19．B
【详解】句意：为了成为一名医生，你必须在大学里学习五年。考查介词短语。在so that 或 such that中，that后面是状语从句，不能是动词原形，排除C、D选项；in order to＋动词原形和so as to＋动词原形的意思都是"为了"，都可以放在句中，in order to 可以放在句首，而so as to则不可，排除A选项；再结合句意"为了成为一名医生，你必须在大学里学习五年"可知，要用in order to；故答案选B。
20．C
【详解】句意：这部电影令人失望的结局使许多观众失望。
考查形容词辨析。disappointed感到失望的，修饰人；disappointing令人失望的，修饰事或物。第一个空位于ending of the film前，修饰事，用disappointing；第二个空位于audience前，修饰人，用disappointed。故选C。
二、
21．C 22．A 23．B 24．C 25．C 26．B 27．A 28．B 29．B 30．D
【导语】本文是一篇记叙文。主要讲述了作者一开始认为鸽子很无聊很脏，后来通过观察发现鸽子很聪明，很神奇的故事。
21．句意：有些幸运的孩子得到了企鹅，但我不得不写关于鸽子的文章。
monkeys猴子；mice老鼠；pigeons鸽子；elephants大象。根据后文“On the first day, I watched pigeons in the park.”可知，作者观察的是鸽子。故选C。
22．句意：我觉得它们真的很无聊而且很脏。
dirty脏的；pretty漂亮的；sleepy困的；sweet甜蜜的。根据前文“All morning long, they just knocked around and left droppings (粪) everywhere.”可知，作者认为鸽子很脏。故选A。
23．句意：当那个女孩开始喂它们时，鸽子迅速飞到了她的身边。
slowly缓慢地；quickly快速地；softly柔软地；quietly安静地。根据后文“They looked really scary”可知，是指鸽子迅速飞到了她的身边，这让它们看起来很可怕。故选B。
24．句意：让我吃惊的是，鸽子在镜子中认出了自己。
their他们的；your你的；my我的；his他的。根据前文“On the second day, I did some online research.”可知，作者对鸽子做了一些调查，所以此处是指作者，应用第一人称。故选C。
25．句意：我决定再去观察一下它们。
eat吃；feed喂食；watch观察；buy买。根据“I decided to go and… them again.”及前文“I watched pigeons in the park”可知，作者是决定再去观察一次鸽子。故选C。
26．句意：我看见一只鸽子在水里看着自己。
air空气；water水；ground地面；sky天空。根据前文“pigeons can recognize (认出) themselves in mirrors”可知，作者是看到了鸽子在看着水中的自己。故选B。
27．句意：我发现有200多种鸽子。
found发现；advised建议；dreamt梦想；explained解释。根据前文“To know more about them, I headed to the library.”可知，作者去图书馆以更多地了解鸽子，然后发现有200多种鸽子。故选A。
28．句意：一些鸽子可以飞几千公里而不迷路。
counting down倒计时；getting lost迷路；doing exercise做运动；coming out出来。根据“Some can fly thousands of kilometers without….”及前文夸鸽子聪明可知，此处是指鸽子可以飞几千公里而不迷路。故选B。
29．句意：它们可以一小时飞100多公里，像我爸爸的车一样快。
minute分钟；hour小时；day天；week周。根据“as fast as my dad’s car”可知，和车速一样，应是每小时100公里。故选B。
30．句意：最后，我意识到鸽子根本不无聊，也不可怕。
happy快乐的；delicious美味的；humorous幽默的；scary吓人的。根据“In the end, I realized pigeons aren’t boring or… at all. They’re truly amazing”及前文“They looked really scary (吓人的)!”可知，是指作者通过调查发现鸽子既不无聊也不吓人。故选D。
三、
31．B 32．A 33．C 34．C 35．D
【导语】本文向我们介绍了一种很有特点的树——猴面包树。
31．细节理解题。根据“Long ago, when the God first planted a tree in the garden…bottle tree or others.”可知作者是通过讲故事的方式开始这篇文章的，故选B。
32．推理判断题。根据“Just like its name ‘Bottle Tree’, it looks like a large bottle. Some grow as tall as a 16-floor building. During the dry season, these trees are standing there without leaves, and look like trunks sticking up in the air.”可知猴面包树长得像一个大瓶子，在旱季，它们没有叶子，看起来好像树干耸立在空中，所以推断选项A为猴面包树，故选A。
33．词句猜测题。根据“An old tree can hold many people. The local people often build their houses inside these trunks.”并结合备选项可猜测应是老树树干会中空，所以本地的人常常把他们的家搬到年老的树干里，故选C。
34．细节理解题。根据“Baobab is called ‘the tree of life’, because they can live longer than 1,000 years old.”可知猴面包树被称为“生命之树”，因为它们能活1000多年，故选C。
35．最佳标题题。根据“Long ago, when the God first planted a tree in the garden, it was full of energy and kept moving.”和“It is such a useful tree; some people could hardly live without it.”及全文可知文章介绍了猴面包树，故选D。
36．C 37．B 38．D 39．B 40．B
【导语】本文是一篇说明文。主要介绍动物交流的方式。
36．细节理解题。根据“Do animals communicate with each other How do they communicate with others ”可知，作者是通过提出问题的方式来开始这个话题的。故选C。
37．词义猜测题。根据“Smell is another popular way for animals to communicate.”以及“Skunks send out an odour when they feel they are in danger.”可知，臭鼬在感到危险时会发出某种东西，结合前文提到的“smell”可知，此处“an odour”指的是一种难闻的气味。故选B。
38．细节理解题。根据“Many animals use body language to communicate. Chimpanzees (黑猩猩) touch hands when they meet. A happy dog moves its tail from side to side. Even people understand this form of dog body language.”可知，作者通过给出狗的例子是为了说明动物可以通过肢体语言进行交流。故选D。
39．篇章结构题。根据“Animals communicate with each other in three main ways: through sounds, smells and body language.”可知，第一段是总括，第二、三、四段分别从声音、气味和肢体语言三个方面展开，最后一段总结全文，因此文章的结构是总—分—总。故选B。
40．最佳标题题。根据“Animals communicate with each other in three main ways: through sounds, smells, and body language.”以及全文内容可知，文章主要介绍了动物是如何进行交流的。所以最佳标题是“How Animals Communicate”。故选B。
41．A 42．D 43．B 44．C 45．G
【导语】本文是一篇说明文，主要介绍了番茄的趣味知识，包括其植物学分类、起源、种类、名称由来及相关节日。
41．根据文章第2段“But in fact, they are fruits because they have seeds…”可知，此处需补充与“番茄常被误认为蔬菜”相关的内容。选项A“许多人认为西红柿是蔬菜。”符合语境。故选A。
42．根据文章第2段“Tomato plants first grew in the Andes Mountains…”可知，后需补充番茄的传播范围。选项D“如今，它们在世界上几乎每个国家都有种植。”符合语境。故选D。
43．根据文章第3段“They come in different sizes…”可知，后需具体说明尺寸。选项B“大多数西红柿果实和网球大小一样。”，与后文“But some can be up to more than 20 cm…”形成对比，符合语境。故选B。
44．根据文章第4段“The English word ‘tomato’ came from…”可知，此处需引出名称起源的话题。选项C“你知道这种水果的名字是怎么来的吗？”符合语境。故选C。
45．根据文章末段“La Tomatina in Spain is one of the most famous…”可知需补充节日时间。选项G“这个节日在每年八月的最后一个星期三举行。”与“During the festival…”形成时间细节补充，符合语境。故选G。
四、
46．which 47．fastest 48．running 49．world’s 50．tons 51．second 52．tools 53．communicate 54．longer 55．ocean
【导语】本文介绍了地球上几种令人惊叹的动物之最。
46．句意：你知道哪种动物寿命最长吗？根据“animal lives the longest”可知是哪种动物活得最久，which“哪个”。故填which。
47．句意：世界上速度最快的动物是猎豹，它们能以每小时约120公里的速度奔跑。根据“Cheetahs can run at about 120 kilometers an hour”可知猎豹的速度最快，故此处用最高级fastest“最快的”。故填fastest。
48．句意：当它们奔跑时，腾空时间比触地时间还长。根据“at that speed”可知是在它们跑的时候，run“跑”，此处用现在分词和be动词构成现在进行时。故填running。
49．句意：蓝鲸是世界上最大的动物。根据“largest animals”可知鲸鱼是海洋里最大的动物，修饰名词用所有格world’s。故填world’s。
50．句意：它们体长约33米，重达170吨。根据“weigh around 170”可知是重170吨，用名词复数tons“吨”。故填tons。
51．句意：第二聪明的动物是黑猩猩。根据“the smartest animal in the world is the human”可知是世界上第二聪明的动物，表示顺序用序数词second。故填second。
52．句意：黑猩猩能制造工具、建造物品。根据“Chimps can make...and build things”可知黑猩猩可以做工具，tool“工具”，用名词复数。故填tools。
53．句意：有些黑猩猩甚至能用双手比划出单词来交流。根据“make words and ”可知比划出单词来交流，communicate“沟通”，and前后的动词形式一致，此处用动词原形。故填communicate。
54．句意：确实，陆龟比陆地上的其他动物活得更久。根据“than other animals on land”可知乌龟比其他动物活得长，根据“than”可知此处用比较级longer。故填longer。
55．句意：实际上，有些海洋动物的寿命更长。根据“Some koi, a kind of goldfish”可知是其他的海洋动物，ocean“海洋”。故填ocean。
五、
56．例文
Dear Henry,
How is everything going I like wild animals very much. I want to invite you to study my favourite animal with me.
My favourite wild animal is tigers. Some of them live in North-east China. I like tigers because they are big and strong. They like to live alone. They can run fast, but only for a short while. They can swim and climb.
We can take some water when visiting them, because it takes hours to watch them. Don’t forget to take a pair of binoculars to help us see them clearly.
Sadly, tigers are in danger. We can make some posters to let others know the importance of protecting them.
I will be very happy if you can join me. Looking forward to seeing you soon.
Yours sincerely,
Li Hua
21世纪教育网(www.21cnjy.com)

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