七年级(上)英语复习练习材料(10)

七年级(上)英语复习练习材料

Chinese family is allowed to have no more than one child. And the hope is to reach a zero population growth by 2000.

Several countries in Europe already have a negative growth rate. Experts（专家）said that these countries would not have enough workers in the future. And the people who are working could face much higher taxes（税）to support the growing retirees（退休人员）.

1. In the past ten years, _____________.

A. there are fewer and fewer people

B. the world‘s population has not been growing as fast as it used to be.

C. the world‘s birth rate has risen D. the number of the people has grown up

2. In China each family is allowed to have only one child so that __________.

A. the birth rate can be cut down

B. half of the number of people has been cut down

C. the number of people has dropped by 1/2 D. each family is smaller

3. A negative growth rate means ___________.

A. the birth rate is unknown B. the death rate is larger than the birth rate

C. the birth rate is too large D. the birth rate is larger than the death rate

4. In European countries ___________.

A. not many people would like to work

B. how to support the retired would be a big problem

C. the people who are working would refuse to pay taxes

D. the retirees liver on their families

5. The underlined word ―cut‖ in the third paragraph means ________ in Chinese.

A. 割 B, 切 C. 伤害 D. 减少

Answers: B, A, B, B, D

6

To find out whether bees can see colors, the following experiment is made. A table is out in a garden, and on the table is a blue card with some sugar on it. As soon as one bee finds the sugar, many more come to it one after another in a short time. It seems that one bee is able to tell the news of food to the other bees in their ―home‖. After a moment, the blue card with sugar on it is taken away. Instead of this card, another blue card is now put on the left side of the first feeding place and a red card to its right. Nothing can be seen on the two cards. Very soon bees arrive again, and fly towards the blue card. No bees go to the red card.

1. How many cards are needed to make the experiment?

A. Two B. Three C. Four D. Five

2. During Step（步骤） 3 of the experiment, the scientists put ____________.

A. a blue card with sugar on the left and a red card on the right

B. a blue card in the middle, another blue card on its left and a red card on its right.

C. a blue card with nothing on it on the left and a red card on the right

D. a blue card on the left and a red card with sugar on the right

3. During Step 3 of the experiment, the bees come to _________.

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