人教版初中三年级英语寒假作业答案

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一个名为“人口危险委员会”的组织对世界上100个大城市进行了调查。请根据上面12个主要大城市的调查表回答问题。

(   ) 46. Of the following cities, people live in       spend least of their income on food.

A. Mexico City B. Los Angeles C. Calcutta D. Bombay

(   ) 47 . Which city has the largest population?

A. New York. B. Moscow. C. Tokyo. D. London.

(   ) 48. The number of the students studying in high schools in Tokyo out of 100

students is the same as that of      .

A. Seoul B. St. Paul C. Calcutta D. Osaka

(   ) 49. In which city do all  the houses have water and electricity?

A. London. B. Los Angeles. C. New York. D. Bombay.

(   ) 50. It is the most difficult for people in       to make a phone call.

A. St Paul B. Mexico City C. Bombay D. Calcutta

(B)

Can plants eat people? Probably not, but there are many plants that eat meat. Some of them are big, and they can eat small animals. One famous meat-eating plant is the Venus flytrap(捕蝇草).

The Venus flytrap is a very strange plant. It grows in dry parts of the United States. Its leaves are like th e pages of a book. They can open and close very quickly. Inside the leaves, there are three small hairs. If a fly(苍蝇) touches one of the hairs, the leaf closes quickly. The fly cannot get out. In about half an hour, the leaf presses the fly until it is dead. Then, the plant covers the fly. Slowly, the plant eats the fly.

Why do plants do it? Most plants get what they need from the sun, the air and the ground. In some places, the ground is very poor. It doesn’t have all these important things, especially nitrogen(氮). Animal meat has a lot of nitrogen, so some plants eat meat to get what they need. Let’s hope that some of the bigger plants don’t get the same id ea!

(   ) 51. The Venus flytrap is a kind of      .

A. plant B. animal C. food D. meat

(   ) 52. The Venus flytrap grows in      .

A. most parts of the world B. some parts of Africa

C. dry parts of the United States  D. wet parts of England

(   ) 53. From the passage, we learn that     .

A. all plants can eat people B. all plants can eat animals

C. some plants can eat people D. some plants can eat animals

(   ) 54. The underlined word “presses” probably means       in Chinese.

A. 挤压 B. 关上 C. 打开   D. 松开

(   ) 55. Why do some plants eat animal meat? Because     .

A. plants are dangerous to animals

B. animals are dangerous to plants

C. plants want to get what they need from animal meat

D. Plants want to protect themselves against animals

(C)

In the United States, headmasters and teachers discipline(惩罚) students in several ways. The teacher often writes to or calls the students’ parents. Sometimes students have to stay at school for one hour. If a student behaves very badly, the headmaster can stop the students having classes. The student can’t come to school for one, two or three days. Mr. Lazarus, the headmaster of a middle school in Ohio, did not like to do so. When he didn’t let the students come to school, they were happy.“A three-day holiday!” they thought.

One day, a boy was in Mr. Lazarus’ office. The boy was not behaving well in class. Mr. Lazarus telephoned the boy’s parents.“If you come to school with your son, I won’t stop him having classes,”he said. The boy’s father came to school and went with his son to every class. Other students looked at the boy  and his father. The boy was embarrassed(尴尬的). After that he behaved better. And, of course, other students behaved better, too.

Now headmasters all over the USA are trying Mr. Lazarus’s idea. They too, think that students behave better when parents come to school.

(   ) 56. What does a headmaster usually do to the student if he behaves very badly?

A. He stops the student having classes for several days.

B. He makes the student stay at school for one hour .

C. He calls the student’s parents.

D. He writes to the student’s parents.

(   ) 57. When a student was stopped having classes for two or three days, he was___

A. happy        B. angry        C. worried        D. bored

(   ) 58. What did Mr. Lazarus do when his students were not behaving well in class?

A. Tried to talk to them.

B. Sent them home.

C. Telephoned their parents to come to school and go to classes with them.

D. Let them stay at school for one hour.

(   ) 59. Why did the other students behave better, too?

A. They didn’t like to have classes with the boy’s father.

B. They didn’t want their parents to come to school.

C. Then were afraid of teachers.

(   ) 60. In the United States, a student will be__ when his parents have classes with him.

A. happy         B. embarrassed        c. excited        D. angry

(D)

Baby dolls are teaching teenagers what it is like to be parents. At Smoky Hill High School, two boys and 78 girls are caring for the dolls. 61.        . There is a computer inside each one and the computer keeps track of(跟踪) how well the student takes care of the ‘baby’.

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