题目内容
It is very dangerous．I don't think you________go to the desert alone．
- A.must
- B.should
- C.may
- D.can
分析：I don't think后面接宾语从句时，有个否定转移的情况，形式上是think的否定形式，但是实际上是宾语从句中的动词是否定概念，因此这里的四个选项内的词要看成否定结构，must的否定结构是mustn't(不许可)，should的否定结构是should not(不应该)，may的否定结构是may not(不许可)，can的否定结构是cannot．
课程达标测试卷闯关100分系列答案
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全能闯关100分系列答案Do you know why different animals or pests (昆虫) have their special colors? Colors in them seem to be used mainly to protect themselves.
Some birds like eating locusts (蝗虫), but birds cannot easily catch them. Why? It is because locusts change their colors together with the change of the colors of crops(庄稼). When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of coloring is to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters (猎人). This is because they have the colors much like the trees.
Have you ever noticed an even stranger act? A kind of fish in the sea can send out a kind of very black liquid (液体)when it faces danger. While the liquid spreads over (散开), its enemies (敌人)cannot find it. And it immediately swims away. So it has lived up to now though it is not strong at all.
【小题1】From the passage we learn that locusts________.
| A．are small animals | B．are easily found by birds |
| C．are dangerous to their enemies | D．change their colors to protect themselves |
| A．They run away quickly. | B．They have the colors much like their enemies. |
| C．They hide themselves by day and appear at night. | D．They have to move quietly. |
| A．they have the colors much like the trees | B．they move quietly |
| C．they like brown and gray colors | D．they live in forests |
| A．Because it is very and strong. |
| B．Because the liquid it sends out can help it escape from its enemies. |
| C．Because the liquid it sends out can kill its enemies. |
| D．Because it swims faster than any other fish. |
| A．The Change of Colors for Animals and Pests | B．Colors of Different Animals and Pests |
| C．The Main Use of Colors for Animals and Pests | D．Some Animals and Pests |
Do you know why different animals or pests have their special colors? Colors in them seem to be used mainly to protect themselves.
Some birds like eating locusts. but birds cannot easily catch them. Why? It is because locusts change their colors together with the change of the colors of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you'll find the main use of coloring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colors much like the tree.
Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger. While the liquid spread over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn't strong at all.
根据短文内容, 指出能完成所给句子或回答所提问题的最佳答案。
【小题1】From the passage we learn that locusts ___ .
| A．are small animals |
| B．are easily found by birds |
| C．are dangerous to their enemies |
| D．change their colors to protect themselves |
| A．have the colors much like the trees |
| B．move quickly |
| C．like brown and grey colors |
| D．live in forests |
| A．it is very big and strong |
| B．the liquid it sends out help it escape from its enemies |
| C．the liquid it sends out can kill its enemies |
| D．it swims faster than any other fish |
| A．The Change of Colors for Animals and Pests |
| B．Colors of Different Animals and Pests |
| C．The Main Use of Colors for Animals and Pests |
| D．Some Animals and Pests |
Both the young and the old may feel lonely. A three-year-old child will feel lonely when it is left alone, and an old man over eighty years old is often afraid to live alone, too.
Some people feel lonely because they may not have enough time to make friends. Not only the quiet, shy people may feel lonely. Some people are active and outgoing, but they are sometimes afraid to talk and make friends with others. They always try to hold other people away from them. They may seem to have lots of friends, but inside they are hurting.
Are you lonely? If your answer is “yes”, you may need to work hard enough! Here are some tips to think about:
To be wanted and needed is a big answer to loneliness. Is there any way you can help other people? Try to do something helpful for others even if you are very busy. By helping other people, we find friends and lose loneliness.
Do you have an interest or hobby? Find a group of people with this interest and join them.
Live in the real world! The world on the Internet is not a real world and it is very different from the real life. The students asleep in class are mostly those who often surf the net through the night. As a result, they’ll get lost in the real world.
Don’t wait for someone to phone, or write, or email you, you call them. And if they seem too busy, it doesn’t mean you are not welcome. Try another time!
When you’ve done anything wrong to other people, don’t be too proud to say sorry. You must do that even if you find it hard to open your mouth.
【小题1】The main topic of this passage is about ____________.
| A．happiness | B．friends |
| C．loneliness | D．sickness |
| A．they stay at home all day |
| B．they have too many friends |
| C．they have too much time to meet friends |
| D．they don’t have enough time to make friends |
| A．say sorry to others | B．do it again |
| C．open your mouth | D．leave at once |
| A．never help others |
| B．find some people with the same interest and join them |
| C．surf the net all the time |
| D．wait for someone to call you |
阅读后，完成下面的任务。
Your schooldays should be some of the best and happiest days of your life. You shouldn’t waste this wonderful opportunity to learn. Here is our advice for you to have a happy school-life.
【小题1】Don’t say things are difficult or boring. Be interested in school-life and your school subjects. Join lots of activities. Be quick to put your hand up. Go round the school with a big smile.
【小题2】School is not a holiday camp. If you are not working, you are not learning, and you are wasting your time at school. Teachers cannot make everything enjoyable.
【小题3】 If you don’t eat a good breakfast, you will be thinking about food in class. If you go to bed late and do not have enough sleep, you will be sleepy in class. Play some sports to keep your body strong.
【小题4】Do not say you will do things tomorrow. If you get behind the class, it is very difficult to get back in front. You cannot finish a race if you rest all the time.
【小题5】Everyone fails some tests, loses some matches and has bad days. Friends are not always perfect, and they sometimes say and do unpleasant things. Don’t let small problems seem very big and important.
阅读上面5段语言材料， 从中找出与它们相对应的标题， 并将其标号填入语段前的括号内。其中有两个选项是多余的。
| A. Plan your holiday. B. Don’t be too disappointed if things sometimes go badly. C. Do today’s work today. D. Be active in school！ E. Expect to work！ F. Talk about problems. G. Keep fit. |
e
good study habits, you learn things quickly. You also remember them easily.