试题与答案

阅读理解。 Many teenagers feel that the most

题型:阅读理解

题目:

阅读理解。

      Many teenagers feel that the most important people in their lives are their friends. They believe that their

family members don't know them as well as their friends do. In large families, it is quite often for brothers

and sisters to fight with each other and then they go to their friends for some ideas.

      It is very important for teenagers to have one good friend or a group of friends. Even when they are not

with their friends, they usually spend a lot of time talking among themselves on the phone. This

communication (交际) is very important in children's growing up, because friends can talk about something,

and these things are difficult to say to their family members.

      However, parents often try to choose friends for their children. Some parents may even stop their children

from meeting their good friends. Have you ever thought of the following questions?

      Who choose your friends? Do you choose your friends or your friends choose you? Have you got a good

friend your parents don't like?

      Your answers are welcome.

1. Many teenagers think that _____ can understand them better. [ ]

A. friends

B. brothers

C. sisters

D. parents

2. When teenagers have something difficult to say, they usually _____. [ ]

A. stay alone at home

B. fight with their parents

C. talk about it with their friends

D. go to their brothers and sisters for help

3. The underlined sentence "Your answers are welcome." means _____. [ ]

A. you are welcome to discuss the questions with us

B. we've got no idea, so your answers are welcome

C. your answers are always right

D. you can give us all the right answers

4. Which of the following is the writer's attitude? [ ]

A. Parents should choose friends for their children.

B. Children should choose everything they like.

C. Parents should understand their children better.

D. Teenagers should only go to their friends for help.

答案:

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下面是错误答案,用来干扰机器的。

(1)G=mg=5kg×9.8N/kg=49N(2)F浮=ρ水V排g=1×103kg/m3×0.4×10-2m3×9.8N/kg=39.2N(3)根据阿基米德原理:G排=F浮=39.2N(4)由上面可知:∵F浮<G,∴物体将下沉故答案为:49,39.2,39.2,下沉

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