译林版八年级上学期unit5-unit6基础练习（含答案）

unit5-unit6 基础练习
一、单项选择
1．If farmers cut down trees and forest, giant pandas will have nowhere ________.
A．to live on B．to live in C．to live D．to live at
2．I often hear Alice ________ this English song. Listen! Can’t you hear her ________ in the next room
A．sing; sing B．singing; sing
C．singing; singing D．sing; singing
3．Look, there is______ fisherman. ______ fisherman is from the USA．
A．a; A B．an; A C．a; The D．the; The
4．I was born in a _________/'tipikl/ family.
A．thick B．true C．thin D．typical
5．I wanted to see the Beijing Opera, so Lingling offered ________ me to watch an opera.
A．took B．takes C．taking D．to take
6．We should work hard ________ people using plastic (塑料的) bags.
A．stopping B．stop C．stopped D．to stop
7．I often hear the little girl ________ the piano in the next room.
A．practising playing B．practise to play C．practise playing D．practising to play
8．There will be_______ space for plants, animals and birds.
A．little and little B．less and little C．little and less D．less and less
9．For the present, I can’t afford ________ a car.
A．to buy B．buy C．buying D．for buying
10．—_________ birth, the baby panda is only around 15cm long.
—Really I never saw the baby panda.
A．In B．At C．On D．With
11．It is raining ________ but I go to school as usual.
A．heavily B．quickly C．easily D．luckily
12．—There is nobody here. Let’s play football.
—No, we can’t. My father often tells me ________ in the street. It’s dangerous.
A．to play B．don’t play C．not to play D．playing
13．It’s impossible for so ________ workers to do so ________ work in a day.
A．fewer; more B．few; much C．little; much D．less; more
14．Confucius (孔子) ________ for about 2500 years, but his works still have great influence (影响) today.
A．died B．was dying C．has died D．has been dead
15．—Which driver was to blame
—Why, ________. It was the child’s fault, clear and simple. He suddenly came out between two parked cars.
A．both B．either C．none D．neither
二、完形填空
Jack worked for the Canadian government. One day, he was told to learn more 16 wolves. Do wolves kill lots of caribou (北美驯鹿) Do they kill people They gave him lots of 17 , clothes and guns (枪). Then they put him on a plane and 18 him to a far place. The plane put him down and went away. There were no houses or people in this place. 19 there were lots of animals and lots of wolves. People 20 terrible stories about wolves. They say wolves like to kill and eat people. Jack remembered these stories, and he was 21 . He had his gun with him all the time.
Then one day, he saw a group of wolves. There was a mother wolf with four baby wolves. A father wolf and another young wolf 22 with them. Jack watched these wolves every day. The mother was a very good mother. She gave 23 to her babies. She gave them lessons about life. They learned 24 to get food. The father wolf got food for the mother. The young wolf 25 with the babies. They were a nice, happy family—wolf family! Jack did not need his 26 any more. In a short time, he got on well with the 27 . Jack watched them for five months. He learned that many stories about the wolves were not 28 . Wolves do not eat 29 , and they do not eat many large animals. And he also learned 30 things about men. It was men who killed many caribou and wolves. Later, Jack wrote a book about wolves. He wanted people to understand them and not to kill them.
16．A．at B．about C．with D．by
17．A．food B．money C．chocolate D．candy
18．A．brought B．caught C．took D．helped
19．A．And B．So C．Because D．But
20．A．say B．tell C．talk D．speak
21．A．happy B．angry C．afraid D．tired
22．A．lived B．watched C．ate D．killed
23．A．drink B．water C．juice D．milk
24．A．where B．why C．how D．who
25．A．laughed B．played C．shouted D．worked
26．A．food B．clothes C．gun D．plane
27．A．father B．family C．mother D．babies
28．A．good B．important C．clear D．true
29．A．people B．food C．animals D．meat
30．A．good B．bad C．easy D．pleasant
三、阅读理解
People and animals have worked together for thousands of years. Some dogs protect sheep from wolves, while others help cows find their way back home. Cats hunt mice, stopping them from eating people’s food. People also train some animals to help in other ways.
Specially－trained monkeys can help people who can’t use their arms or legs. The monkeys can change CDs, get food and even brush hair for their owners (主人).
Pigs use their noses to find delicious truffles (松露) that grow as deep as three feet underground. Truffles are one of the most expensive mushrooms in the world.
Pigeons can usually return to their homes from any places, so people have used them to carry messages for thousands of years.
You may know that some dogs can help their owners to see. But did you know that hearing dogs can help their owners to hear, making them notice the doorbells and people calling them Dogs can also help policemen in a manhunt (追捕). Some are trained to find missing people.
31．How many kinds of helpful animals are mentioned in the passage
A．Four. B．Five. C．Six. D．Seven.
32．According to the passage, the trained monkeys can’t ________.
A．get food B．change CDs
C．carry messages D．brush hair
33．The ________ can help people find truffles.
A．dogs B．cats C．pigeons D．pigs
34．The ________ can help people in more ways according to the passage.
A．cats B．pigs C．dogs D．pigeons
35．Which is the best title of the passage
A．Life of Animals
B．Training of Animals
C．Animals in Danger
D．Animals Ready to Help
①They may look like something out of an amazing movie, but narwhals (独角鲸) are very real animals. Here are some fun facts about narwhals.
②Narwhals change color a few times during their lives. When they’re born, most baby narwhals are blue-gray. But as they grow older, their color changes to blue-black, while adult narwhals are usually gray with dark spots. Old narwhals are almost all white.
③Like elephant tusks (长牙), a narwhal’s tusk is a tooth. It can grow as long as 3 meters.
▲ . They use tusks to attract female narwhals. Narwhals also use their tusks to hit fish so they can catch and eat fish easily. And some narwhals even have two tusks!
④Narwhals are among the deepest diving (潜水) whales, reaching depths of about 1,500 meters—although some can reach depths of over 1,700 meters, according to the University of Washington. Narwhals usually stay less than 50 meters from the water, however. But they can stay underwater for 25 minutes before needing to come up for air!
⑤Living in the cold Arctic waters of Greenland, Norway, Russia and Canada, narwhals don’t have a dorsal fin (背鳍). The absence (缺乏) of a dorsal fin makes the narwhal prevent heat loss and helps them to swim under the ice.
⑥Known as the “unicorns of the sea”, narwhals are really interesting animals you must watch when you take a trip to the Arctic Circle.
36．What color is a young narwhal
A．Blue-gray. B．Blue-black.
C．Almost all white. D．Gray with darker spots.
37．Which sentence is the best for “ ▲ ” in Paragraph 3
A．It comes out of its head.
B．Most female narwhals do not have tusks.
C．Male (雄性) narwhals all have tusks.
D．Scientists are still unsure about uses of their tusks.
38．A narwhal can dive into the water up to over ________ according to the University of Washington.
A．1,500 meters B．1,700 meters C．50 meters D．25 meters
39．Which is the best subtitle (小标题) for Paragraph 5
A．Deep divers B．One big tooth
C．Changing colors D．Absence of a dorsal fin
40．Which is the best structure of the passage (P=Paragraph)
A． B． C． D．
The Possum used to have a long, hairy tail. He always sang about it at the dance. The Rabbit once had a long, hairy tail, too, but he lost his in a frozen lake. He was jealous (嫉妒的) of the Possum’s, so he decided to play a joke on him.
There was going to be a dance. It was the Rabbit’s job to send out the news. And he promised to send someone to dress the Possum’s tail for the dance, so the Possum agreed to go to the dance happily.
Then the Rabbit went to visit the Cricket, a hairdresser, and told him to dress the Possum’s tail the next morning for the dance. He told the Cricket what to do.
In the morning, the Cricket went to the Possum’s house. The Possum closed his eyes while the Cricket was dressing his tail with a red cloth. The Cricket told him, “If you want to get a surprise, don’t take the red cloth away.”
At night, the Possum went to the dance and the Rabbit took the cloth away.
The Possum began to sing, “See my beautiful tail. See what a fine color it has.” Everybody shouted and he sang again, “See how it sweeps the ground.” This time everybody laughed so long that the Possum wondered what they meant. He looked down at his tail and saw that there was no hair on it.
41．What can we know from the first paragraph
A．The Rabbit was good at singing. B．All the animals liked the Possum’s tail.
C．The Rabbit and the Possum were friends. D．The Rabbit wanted a long hairy tail.
42．Why did the Rabbit take the red cloth away
A．Because he wanted other animals to laugh at the Possum. B．Because he wanted to give the Possum a lovely surprise.
C．Because the Possum didn’t want it at that time. D．Because he wanted to sets the Possum’s hairy tail.
43．How might the Possum feel at last
A．Happy and relaxed. B．Sad and uncomfortable.
C．Surprised and lucky. D．Surprised and touched.
44．What’s the RIGHT order of the passage
① The Rabbit told the Possum about the dance. ② The Possum sang happily about his tail at the dance.
③ The Rabbit lost his long, hairy tail in a lake. ④ The Cricket dressed the Possum’s tail with a red cloth.
A．③①②④ B．①③②④ C．③①④② D．④①②③
45．What does the passage mainly tell us
A．How to get on with others. B．How to keep your promise.
C．How to find a good hairdresser. D．How the Possum lost his hairy tail.
①There is a small lion. He lives with his mother near the forest. One day, the mother lion is sleeping and the small lion goes into the forest to play. After some time, he gets lost.
②The small lion is afraid. He runs everywhere but he still doesn’t know how to go home. When he doesn’t know what to do, a sheep (绵羊) sees him. And the sheep brings him to her home.
③The sheep likes the small lion and feeds him very well. And the small lion likes living with the sheep, too. After three months, the small lion is big and strong. But he is afraid of other animals.
④Some days later, a big lion comes. He looks scary. When he shouts, lots of animals are afraid and run away. But the small lion isn’t afraid. He is happy to meet the big lion and runs to play with him. Then he knows what he is really like. And other animals in the forest start (开始) to be afraid of him.
⑤Sometimes we are just like this small lion. We may be afraid at first. But when we learn more about ourselves (我们自己), we will know how strong we are!
46．After getting lost, the small lion is afraid because ________.
A．he can’t play in the forest again B．a sheep sees him
C．he has no food to eat D．he doesn’t know the way back home
47．What does the underlined (划线的) “he” in Paragraph ④ refer to (指代)
A．the sheep B．the big lion C．the small lion D．another animal
48．Other animals start to be afraid of the small lion because ________.
A．they see the big lion B．the big lion shouts
C．the big lion comes D．he is big and strong, just like the big lion
49．What does the writer (作者) want to tell us
A．A lion is a strong animal.
B．Animals are afraid of lions.
C．It’s important to learn more about ourselves.
D．A lion and a sheep can be friends.
50．What is the right structure (结构) of the passage
(①=Paragraph 1...)
A． B． C． D．
四、单词拼写
51．About 300 papers were (提交) at the conference yesterday.
52．I always study hard so that I can (及时赶上) up with all my classmates.
53．Many wild animals are now in danger because of (失去) their living space.
54．Her glasses are (厚的) .
55．The book is two centimeters （厚）.
五、短文填空
根据短文内容及首字母提示，填写所缺单词。Scientists have long wondered how Australia's koalas get enough water to live. A new study p 56 an answer.
The lead writer of the new report on koalas is Valentina Mella of the University of Sydney. It was the earlier i 57 , she explains, that the animals got most of the water they needed in the leaves they ate.
In the wild, koalas get water from the plant leaves they eat. But they also get it from water r 58 down from the trees when it rains. Mella and other scientists w 59 koalas in the wild every year. They find that koalas are a 60 at night. They live in trees and depend on them for food, drinking and also for resting places.
Koalas spend most of the time high up in the trees. They eat lots of leaves. An adult koala normally eats b 61 0. 5 and 0.8 kg of leaves a day. Koalas sleep about 20 hours a day.
Mella notes that a koala usually spends 98% of its 1 62 in trees. She also notes that the only time they come down to the ground is to discover another tree with b 63 leaves.
In fact, the word “koala” means “no drink” in the l 64 language. Koalas did not go down onto the ground very often. So it was considered that they had no n 65 to drink water.
The koalas’ living environment is getting worse now because the recent fires in Australia have burned about 30% of the forests where they live.
六、任务型阅读
Do you know some animals can talk Yes, dolphins (海豚) can talk. They talk with sound (声音). Dolphins travel in a group (群). We call a group of fish “school”. In the special school, dolphins travel in the water. Dolphins are mammals (哺乳动物), not fish, but they swim under the water.
Dolphins talk in the school. They talk when they are happy or sad. They say “welcome” when a dolphin comes back to the school. They talk when they play. Some people catch dolphins for the Ocean (海洋) Parks. And people go to watch the dolphin show. But dolphins don’t like to be away from their school. In the Ocean Parks, they feel unhappy.
Dolphins and people are good friends. There are many stories about them. They often help people. Sometimes they save people. We hope dolphins can live in their school.
66．Can dolphins talk （不超过5个词回答）
67．How do dolphins in the Ocean (海洋) Parks feel （不超过5个词回答）
68．Do dolphins often help people （不超过5个词回答）
参考答案：
1．C
【详解】句意：如果农民砍倒了树木和森林，熊猫将无处可住。
考查不定式做定语。to live on靠……为生；to live in住在，后跟大地点；to live居住；to live at住在，后跟小地点。因空格前有nowhere这一地点副词，所以live后不带介词。故选C。
2．D
【详解】句意：我经常听到爱丽丝唱这首英文歌。听！你没听见她在隔壁唱歌吗？
考查非谓语动词。根据often可知，第一句指经常听到爱丽丝唱歌，hear sb do sth“听到某人做某事”，强调经常性的动作。根据“Listen! Can’t you hear her …in the next room”可知，此处指听到她正在唱歌，hear sb doing sth表示“听到某人正在做某事”，故选D。
3．C
【详解】句意：看，有个渔夫。那个渔夫来自美国。考查冠词的用法。第一句表示泛指，fisherman是辅音音素开头，可知填a；文中第一次出现这个名词用a/an，是泛指，再次提到用the，是特指上文提到的事物；第二句填The。故选C。
4．D
【详解】句意：我出生在一个典型的家庭。
考查单词读音。thick/θ k/；true/tru / ；thin/θ n/；typical/'tipikl/。根据音标可得单词typical，作形容词意为“典型的”，符合句意，故选D。
5．D
【详解】句意：我想要去看京剧，因此玲玲主动提出带我去看一场京剧。
考查非谓语动词。根据“Lingling offered…me to watch an opera.”可知，考查固定短语offer to do sth“主动提出做某事”，因此设空处填不定式。故选D。
6．D
【详解】句意：我们应该努力工作阻止人们使用塑料的袋子。
考查非谓语动词。根据“We should work hard ... people using plastic (塑料的) bags”可知，此处是表示目的，应用不定式作目的状语。故选D。
7．C
【详解】句意：我经常听到隔壁房间的小女孩弹钢琴。
考查非谓语动词。根据频度副词“often”可知，要用hear sb. do sth.表示“听见某人做某事”，表示经常发生的动作，排除A、D项；再根据practise doing sth.“练习做某事”可知，practise后要接动名词作宾语。故选C。
8．D
【详解】句意：植物、动物和鸟类的生存空间将越来越少。
考查形容词的比较级。比较级+and+比较级表示“越来越……”，space是不可数名词，空间，此处是说生存空间将越来越少，这里用little的比较级less，less and less“越来越少”。故选D。
9．A
【详解】句意：对于目前来说，我买不起一辆小汽车。
考查非谓语动词。动词短语can’t afford to buy 表示买不起……，付不起……。根据句意，故选A。
10．B
【详解】句意：——出生时，熊猫宝宝只有15厘米长。——真的？我从来没有见过熊猫宝宝。
考查介词辨析。in用在年、月、上下午的前面；at用于具体的时刻前面或在某个时间前； on用于具体的某一天或具体某一天的上午、下午或晚上；with和。根据“birth”可知介词短语at birth表示“在出生时”。故选B。
11．A
【详解】句意：天正下着大雨，但我照常去上学。
考查副词辨析。heavily大量地；quickly迅速地；easily容易地；luckily幸运地。由but可知，前后句意是转折关系，且是形容“下雨”，只能用heavily。故选A。
12．C
【详解】句意：——这儿没有人。我们踢足球吧。——不，我们不能。我的父亲经常告诉我不要在大街上玩。这是很危险的。
考查非谓语动词。表示“告诉某人不要做某事”用“tell sb. not to do”的结构。表示“不要玩”用“not to play”。故选C。
13．B
【详解】句意：这么少的工人一天做这么多工作是不可能的。
考查代词辨析。fewer更少；more更多的；few修饰可数名词复数；much修饰不可数名词；little修饰不可数名词；less更少的。空一后“workers”是可数名词复数，排除CD选项；so不能修饰形容词的比较级，可排除A选项。故选B。
14．D
【详解】句意：孔子已经去世2500年了，但他的作品至今仍有很大的影响。
考查现在完成时。根据“for about 2500 years”可知，本句应使用现在完成时，排除A和B；for about 2500 years为时间段，需与延续性动词连用，die为非延续性动词；dead“死的”，形容词表状态，可以和时间段连用。故选D。
15．D
【详解】句意：——哪位司机该受责备呢？——为什么，都不。这是孩子的错，简单明了。他突然从两辆停着的车中间出来。
考查代词辨析。both两者都；either两者之一；none一个也没有；neither两者都不。结合语境和答句中“It was the child’s fault, clear and simple...two parked cars”可知，显而易见是孩子突然跑出来，两位司机都没有责任，所以用neither。故选D。
16．B 17．A 18．C 19．D 20．B 21．C 22．A 23．D 24．C 25．B 26．C 27．B 28．D 29．A 30．B
【导语】本文讲述一位叫杰克的加拿大政府工作人员为了了解更多有关狼的情况，近距离和狼族接触并观察了一段时间。而后发现狼并不是人们想象的那样凶残，此文告诉人们不要再杀害狼。
16．句意：有一天，他被要求学习更多关于狼的知识。
at在；about关于；with与……一起；by通过，被。learn about“学习，了解有关……的情况”，故选B。
17．句意：他们给了他许多食物、衣服和枪支。
food食物；money 钱；chocolate 巧克力；candy糖果。根据下文可知，杰克要去的地方没有人烟，必须携带生活的必需品，故选A。
18．句意：然后他们把他送上飞机去了一个很远的地方。
brought带来；caught抓住；took带领；helped帮助。根据“him to a far place”可知是带他到一个很远的地方。故选C。
19．句意：但是那里却有很多动物和狼。
And而且；So因此；Because因为；But但是。结合前面的句子可知，前后文表示转折关系，故选D。
20．句意：人们讲述了可怕的狼故事。
say说，注重说话的内容；tell告诉，讲述；talk谈论；speak说某种语言。tell stories“讲故事”，故选B。
21．句意：杰克想起了这些故事，他害怕极了。
happy高兴的；angry 生气的；afraid害怕的；tired疲劳的。根据“People...terrible stories about wolves. They say wolves like to kill and eat people.”可知他想起这些故事，很害怕。故选C。
22．句意：一只狼爸爸和另一只小狼和它们生活在一起。
lived居住；watched观看；ate吃；killed杀死。根据“A father wolf and another young wolf...with them”可知是和它们住在一起。故选A。
23．句意：她给婴儿喂奶。
drink饮料；water水；juice果汁；milk牛奶。根据“The mother was a very good mother”可知狼幼崽需要喂奶，故选D。
24．句意：它们学会了如何获取食物。
where哪儿；why 为何；how如何；who谁。根据“to get food”可知是小狼学会了如何捕食，故选C。
25．句意：小狼和狼崽一起玩耍。
laughed笑；played玩；shouted叫喊；worked工作。根据“The young wolf...with the babies”可知小狼和狼崽一起玩，play with“与……一起玩耍”，故选B。
26．句意：杰克不再需要他的枪了。
food食物；clothes 衣服；gun 枪；plane飞机。根据“In a short time, he got on well with the...”可知他和这个家庭相处的很好，不再需要枪了，故选C。
27．句意：很快，他和这个狼的家庭相处得很好。
father爸爸；family家庭；mother妈妈；babies婴儿。根据“In a short time, he got on well with the”可知是和前文提到的一个狼的家族相处得好，故选B。
28．句意：他知道许多关于狼的故事是不真实的。
good好的；important 重要的；clear清晰的；true真实的。根据“They say wolves like to kill and eat people.”并结合自己所了解的情况，杰克认为许多关于狼的故事是不真实的。故选D。
29．句意：狼不吃人。
people人；food食物；animals动物；meat肉。根据“they do not eat many large animals”以及上文可知他认为狼是不吃人的，故选A。
30．句意：他也了解到人类的一些不好的行为。
good好的；bad坏的；easy容易的；pleasant高兴的。根据“It was men who killed many caribou and wolves.”可知人杀死了许多驯鹿和狼，人类的一些行为是不好的。故选B。
31．B 32．C 33．D 34．C 35．D
【导语】本文是一篇说明文。本文主要介绍了几种有用的动物是如何为人们提供帮助的。
31．细节理解题。根据第一段“Cats hunt mice”，图表一“Specially－trained monkeys can help people ...”，图表二“Pigs use their noses to find delicious truffles ...”，图表三“Pigeons can usually return to their homes ...”，图表四“some dogs can help their owners to see ...”可知，这篇文章主要提及了猫，猴子，猪，鸽子以及狗这五种有用的动物。故选B。
32．细节理解题。根据图表一“The monkeys can change CDs, get food and even brush hair for their owners”可知，受训的猴子不能够传递信息。故选C。
33．细节理解题。根据图表二“Pigs use their noses to find delicious truffles (松露) that grow as deep as three feet underground.”可知，猪能够使用它们的鼻子帮助人们找到松露。故选D。
34．细节理解题。根据图表四的内容“some dogs can help their owners to see ... find missing people.”可知，狗能够帮助主人看，听，追捕，因此狗能够以更多的方式帮助人们。故选C。
35．标题归纳题。根据第一段“People also train some animals to help in other ways.”及全文可知，本文主要是讲有用的动物是如何为人们提供帮助的，因此最佳标题是“准备好提供帮助的动物”。故选D。
36．B 37．C 38．B 39．D 40．D
【导语】本文主要介绍了一些独角鲸的事实。
36．细节理解题。根据“But as they grow older, their color changes to blue-black”可知，年轻的独角鲸是蓝黑色，故选B。
37．推理判断题。根据“They use tusks to attract female narwhals”可知，这里说他们用长牙吸引雌性独角鲸，所以这个they指的是雄性独角鲸，选项C“雄性独角鲸都有长牙。”符合，故选C。
38．细节理解题。根据“although some can reach depths of over 1,700 meters”可知，独角鲸可以潜入水下1700多米。故选B。
39．最佳标题题。根据“Living in the cold Arctic waters of Greenland, Norway, Russia and Canada, narwhals don’t have a dorsal fin (背鳍). The absence (缺乏) of a dorsal fin makes the narwhal prevent heat loss and helps them to swim under the ice.”可知，生活在格陵兰岛、挪威、俄罗斯和加拿大寒冷的北极水域的独角鲸没有背鳍。背鳍的缺失使独角鲸防止热量流失，并帮助它们在冰下游泳。所以选项D“没有背鳍”符合，故选D。
40．篇章结构题。文章第一段引出独角鲸的主题；第二段到第五段介绍了一些独角鲸的事实；最后一段建议当你去北极圈旅行时，可以去看看它们。D选项结构符合，故选D。
41．D 42．A 43．B 44．C 45．D
【分析】本文是一篇记叙文，讲述了负鼠有一条长长的毛茸茸的尾巴，兔子曾经也有一条尾巴，但在一个结冰的湖里失去了，他嫉妒负鼠的尾巴。于是在一次舞会上，他让蟋蟀去剃掉负鼠尾巴上的毛，让负鼠在舞会上出尽了洋相。
41．推理判断题。根据第一段“The Possum used to have a long, hairy tail … Rabbit once had a long, hairy tail, too, but he lost his in a frozen lake. He was jealous (嫉妒的) of the Possum’s…”可知，负鼠有一条长长的毛茸茸的尾巴，兔子曾经也有一条尾巴，但是他在一个结冰的湖里失去了它，于是他嫉妒负鼠的尾巴。由此推知，兔子想要一条长毛尾巴。故选D。
42．细节理解题。根据最后一段“Everybody shouted and he sang again”和“This time everybody laughed so long that the Possum wondered what they meant.”可知，兔子拿走红布想让其他动物嘲笑负鼠。故选A。
43．推理判断题。根据最后一段“This time everybody laughed so long that the Possum wondered what they meant. He looked down at his tail and saw that there was no hair on it.”可知，负鼠引以为傲的尾巴没有了毛，在舞会上唱歌时所有动物都在嘲笑他。由此推知，负鼠会感到难过和不舒服。故选B。
44．细节理解题。根据“The Rabbit once had a long, hairy tail, too, but he lost his in a frozen lake.”；“the Possum agreed to go to the dance happily.”；“The Possum closed his eyes while the Cricket was dressing his tail with a red cloth.”；“The Possum began to sing, ‘See my beautiful tail. See what a fine color it has.’”可知，正确的顺序是：兔子失去了长毛尾巴——兔子告诉负鼠舞会的事情——蟋蟀用一块红布打扮负鼠的尾巴——负鼠在舞会上高兴地歌唱他的尾巴。故选C。
45．主旨大意题。通读全文，讲述了负鼠有一条长长的毛茸茸的尾巴，但遭到兔子的嫉妒，兔子使计让负鼠尾巴上的毛没了。因此本文主要讲了“负鼠是如何失去他毛绒绒的尾巴的”。故选D。
46．D 47．C 48．D 49．C 50．B
【导语】本文作者通过小狮子的故事告诉我们，有时候我们就像那只小狮子，当我们了解我们自己的时候，我们就会知道我们是强大的。
46．细节理解题。根据“The small lion is afraid. He runs everywhere but he still doesn’t know how to go home.”可知，小狮子不知道回家的路，所以很害怕。故选D。
47．词句猜测题。根据“He is happy to meet the big lion and runs to play with him. Then he knows what he is really like.”可知，他很高兴见到大狮子，然后他知道了自己真正的样子，所以he指的是小狮子。故选C。
48．推理判断题。根据“Some days later, a big lion comes. He looks scary. When he shouts, lots of animals are afraid and run away. But the small lion isn’t afraid. He is happy to meet the big lion and runs to play with him. Then he knows what he is really like. And other animals in the forest start (开始) to be afraid of him.”可知，在大狮子来了之后，小狮子和他玩在一起后觉醒了，知道他自己真实的身份是一头狮子并变得和大狮子一样强大起来，所以其他动物开始惧怕他。故选D。
49．主旨大意题。根据“Sometimes we are like this small lion. We may be afraid at first. But when we learn more about ourselves (我们自己), we will know how strong we are!”可知，有时候我们需要了解我们自己，这样我们才会变得强大。故选C。
50．篇章结构题。文章第一至四段主要讲述了小狮子的成长故事，第五段则是讲出了这则故事的寓意。其篇章结构如选项B的结构图所示。故选B。
51．presented
【详解】句意：昨天在会议上大约300篇论文被提交。根据句意，主语papers与谓语present之间是被动关系，故用过去分词，故为presented。
52．catch
【详解】句意：我总是努力学习，以便赶上我所有的同学。catch“及时赶上”，情态动词can后跟动词原形。故填catch。
53．losing
【详解】losing
句意：现在许多野生动物处于危险中，因为失去了他们的生活空间。作为介词短语because of的宾语，故用动名词，故为losing。
54．thick
【详解】句意：她的眼镜很厚。thick“厚的”，此处作系动词“are”的表语。故填thick。
55．thick
【详解】句意：这本书有两厘米厚。thick厚。形容词作后置定语。故填thick。
56．(p)rovides 57．(i)dea 58．(r)unning 59．(w)atch 60．(a)ctive 61．(b)etween 62．(l)ife 63．(b)etter 64．(l)ocal 65．(n)eed
【分析】本文是一篇说明文，主要介绍了澳大利亚的考拉是怎样获取生存所需要的水分的，以及介绍了它们的生活习性等。
56．句意：一项新的研究提供了答案。根据上文“Scientists have long wondered how Australia's koalas get enough water to live”可知，科学家很久以来就想知道考拉是怎样得到生存需要的水的，于是一项研究提供了答案。provide“提供”，动词，陈述客观事实，句子是一般现在时，主语是单数形式，动词用三单形式。故填(p)rovides。
57．句意：她解释说，这是早期的想法，动物在它们吃的叶子中获得了它们所需的大部分水分。根据“that the animals got most of the water they needed in the leaves they ate”可知，“动物在它们吃的叶子中获得了它们所需的大部分水分”这是早期的想法，idea“想法”，故填(i)dea。
58．句意：但是它们也能从下雨时从树上流下来的水里得到水分。根据“But they also get it from water …down from the trees during it rains”及首字母可知，考拉也能从树上流下来的雨水中获取水分。run down from…“从……中跑下来”，固定短语，跟在句中water后面作后置定语，所以应用其现在分词形式running表主动关系，即滴落下来的水。故填(r)unning。
59．句意：梅拉和其他科学家每年都在野外观察考拉。根据下文“They find that koalas…”可知，科学家们每年都会在野外观察考拉。watch“观察”，动词，根据句中every year可知，本句时态为一般现在时，且主语Mella and other scientists为复数形式，故此处应用其原形。故填(w)atch。
60．句意：他们发现考拉晚上很活跃。根据首字母及生活常识可知，考拉晚上非常活跃。active“活跃的”，形容词，在句中作表语。故填(a)ctive。
61．句意：一只成年考拉通常每天吃0.5到0.8公斤的树叶。between…and“在……和……之间”，故填(b)etween。
62．句意：梅拉指出，考拉一生中98%的时间都在树上度过。根据下文“She also notes that the only time they come down to the ground…”可知，考拉一生中大部分时间都在树上度过。life“一生”，可数名词，根据句中its可知，此处用其单数形式。故填(l)ife。
63．句意：她还指出，它们来到地面的唯一时间是为了发现另一棵叶子更好的树。根据“She also notes that the only time they come down to the ground is to discover another tree with…leaves”及首字母可知，考拉大部分时间都待在树上，发现有更好的树叶才会来到地面，better“更好的”，故填(b)etter。
64．句意：事实上，“考拉”一词在当地语言中的意思是“不喝水”。根据“the word “koala” means “no drink” in the … language”可知，此处指在当地的语言里，local“本地的”，形容词，作定语形容名词language。故填(l)ocal。
65．句意：所以人们认为它们不需要喝水。根据“In fact, the word “koala” means “no drink” ”及首字母可知，人们认为考拉不需要喝水，need“需要”，故填(n)eed。
66．Yes, they can. 67．They feel unhappy. 68．Yes, they do.
【导语】本文主要讲述了海豚会说话的特征。
66．根据“They talk with sound (声音).”可知，海豚会说话。故填Yes, they can.
67．根据“In the Ocean Parks, they feel unhappy.”可知，它们感到不开心。故填They feel unhappy.
68．根据“They often help people.”可知，它们经常帮助人类。故填Yes, they do
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