试题与答案

辅酶在酶促反应中的作用是() A.起运输载体的作用 B.维持酶的空间构象 C.参加活

题型:单项选择题 A1/A2型题

题目:

辅酶在酶促反应中的作用是()

A.起运输载体的作用

B.维持酶的空间构象

C.参加活性中心的组成

D.促进中间复合物形成

E.提供必需基团

答案:

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题型:完形填空

Dear Mr. Li,

I’m not happy. I have too many rules in my home. On weekdays I have to get up at half past six, read English for half an hour and then walk to school. I can’t play with my friend after school because I have to my homework first and then walk my dog. I can’t watch TV on school days. And I have to go to bed before ten o’clock, On weekends, I needn’t get up at half past six. But I have to get up early, because I have to clean my room and wash my clothes. Then in the afternoon I have to go to the Children’s Palace to learn dancing. When I come back, I have to help my mom make dinner. I can’t play computer games. I never have fun. What can I do?

Yours,

Linda

小题1:When does Linda have to get up on weekdays?

A.At 6:00a.m.

B.At 6:30a.m.

C.At 7:00a.m.

D.At 7:30a.m.小题2:What does Linda have to do first after school?

A.She has to clean her room.

B.She has to do her homework.

C.She has to make dinner.

D.She has to walk her dog.小题3:What does Linda do at the Children’s Palace on weekends?

A.She learns drawing.

B.She plays games.

C.She plays computer games.

D.She learns dancing.小题4:Which of the following is TRUE?

A.Linda is busy and she isn’t happy with her life.

B.Linda goes to bed before 9:00p.m. on weekdays

C.Linda can play computer games on weekends.

D.Linda often washes her clothes on Saturday afternoon.

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