If you study in America.you need to know some classroom customs． When the teacher asks a question.you 1 to give an answer．If you do not understand the question.you should put up your hand and ask th 题目和参考答案——青夏教育精英家教网—

题目内容

If you study in America，you need to know some classroom customs．

When the teacher asks a question，you 1 to give an answer．If you do not understand the question，you should put up your hand and ask the teacher to 2 the question．If you do not know the answer，it is all 3 to tell the teacher that you do not know．Then he or she may know 4 you need to learn．

There is 5 for not doing your homework．If you are absent（缺席的），you should call your teacher or someone 6 is in your class and ask for the homework．It is not the teacher's responsibility to remind you 7 your missed homework．

You must not be absent on a test day．If you are 8 ill，call and let the teacher 9 you can't be there for the test．If your teacher allows you to make up the test，you should take the test within one or two days after returning to class．Serious illness is the only reason for 10 a test．

Be on time! It is considered rude to be late．Also，it disturbs other students． 11 you come late，be sure to be quiet．Have your books and papers out of your bag 12 you enter the room．Then come in and go to your seat quietly．In the U.S. it is not necessary to knock when you enter the classroom．If you must leave during a class，do so quietly．There is no need to ask for the teacher’s permission．Before entering a teacher’s office or 13 office with a closed door，knock first，then wait to 14 in．

__15 in class is considered impolite by many teachers．Some teachers may ignore it，but you should get permission first．

1．A．expected B．are expecting C．are expected D．expect

2．A．pardon B．repeat C．ask D．raise

3．A．wrong B．right C．stupid D．helpful

4．A．what B．how C．how many D．why

5．A．no use B．no time C．no chance D．no excuse

6．A．those B．who C．which D．whose

7．A．on B．to C．in D．of

8．A．hardly B．strongly C．badly D．mostly

9．A．knows B．to know C．know D．knew

10．A．not attending B．taking C．not missing D．passing

11．A．For B．Once C．Even if D．Although

12．A．after B．while C．before D．as soon as

13．A．any B．all C．anyone D．a

14．A．be noticed B．be invited C．be stopped D．let

15．A．With a hat B．In a hat C．Putting on a hat D．Wearing a hat

1～5 CBBAD 6～10 BDCCA 11～15 BCABD

练习册系列答案

A．are dangerous to their enemies	B．are easily found by birds
C．change their colors to protect themselves	D．are small animals

【小题2】How can insects with different colors from plants keep out of danger?

A．They have to move quietly.

B．They hide themselves in the day and appear at night.

C．They have the colors much like their enemies.

D．They run away quickly.

【小题3】 Bears and lions can keep safe because 　　　　　　　　　.

A．they live in forests	B．they like brown and grey colors
C．they move quietly	D．they have the colors similar to the trees

【小题4】What does the word “liquid” mean in the last paragraph?

【小题5】 Which is the best title for this passage?

A．The Main Use of Colors for Animals and Insects

B．Colors of Different Animals and Insects

C．The Change of Colors for Animals and Insects

D．The Change of Different Animals and Plants

阅读下面短文，根据短文内容判断句子的正误。正确的涂“A”，错误的涂“B”。（共5小题，每小题2分，计10分）

Long long ago, there was a girl called Nuwa. Her father was Emperor(皇帝) Yan and he loved her very much. They often played together, and she also loved her father very much. One day, she had a wonderful time. Then she swam in the sea. She was too tired to swim and she was drowned(淹死). Because she wanted to see her father then she changed into(变成) a bird. She put some stones(石头) into the sea day after day and changed the sea into the land. She made a wish, and she would like to play with her father again.

This story was a little sad. It tells something important. When we do anything, we have to work hard. Learning English is difficult but if you study hard, you can learn it well.

1. Emperor Yan didn’t love her daughter at all.

2.Nuwa put some stones into the sea when she changed into a bird.

3. Nuwa was too tired to swim and she was drowned.

4. The meaning of “land” is “操场”.

5.When we do anything, we don’t have to work hard.

1.You had better brush your t________ twice a day．

2.You can i_______`your English if you study hard．

3.The good news s________ very fast．We all know it now．

4.Walking is a good exercise and it is n__________ for your health．

5.The classroom is so noisy that we can't hear the teacher c______________．

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 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.

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

2.How can pests with different colors from plants keep out of danger?

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.

3.Bears and lions can keep safe because _______.

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

4.Why can the kind of fish live up to now?

A. Because it is very 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.

5.Which is the best title for this passage?

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 insects have their special colors? Colors are used mainly to protect themselves.

Why can’t some birds easily catch locusts（蝗虫）? 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 autumn comes, locusts change to the same brown color as crops have. Some other insects with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives in the day 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 can’t be easily seen by hunters. This is because they have the colors much like the trees.

Have you ever noticed an even more strange thing? A kind of fish in the sea can send out black liquid when it faces danger. While the liquid spreads over, its enemies can’t find it. And it quickly swims away. So it has lived up to now though it is not strong at all.

1. From the article we learn that locusts 　　　　　　　　　.

A. are dangerous to their enemies B. are easily found by birds

C. change their colors to protect themselves D. are small animals

2.How can insects with different colors from plants keep out of danger?

A. They have to move quietly.

B. They hide themselves in the day and appear at night.

C. They have the colors much like their enemies.

D. They run away quickly.

3. Bears and lions can keep safe because 　　　　　　　　　.

A. they live in forests B. they like brown and grey colors

C. they move quietly　 D. they have the colors similar to the trees

4.What does the word “liquid” mean in the last paragraph?

A. 气体 B. 固体　 C. 液体　 D. 水蒸气

5. Which is the best title for this passage?

A. The Main Use of Colors for Animals and Insects

B. Colors of Different Animals and Insects

C. The Change of Colors for Animals and Insects

D. The Change of Different Animals and Plants

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