问题 单项选择题

下列表述与利福平不符的是()

A.为半合成的抗生素

B.易被硝酸氧化

C.对第八对脑神经有显著的损害

D.与异烟肼、乙胺丁醇合用有协同作用

E.遇光易变质

答案

参考答案:C

解析:本题考查利福平的性质与特点。利福平为大环内酰胺类抗生素,结构中含有1,4-二酚结构,因此,遇光易变质,易被硝酸氧化;与异烟肼、乙胺丁醇合用有协同作用,对第八对脑神经没有损害。故选C答案。

阅读理解

阅读理解。

    Mr. and Mrs. White had two sons and three daughters. One Sunday, Mrs. White said to her husband,

"The children don't have any lessons today,and you are free too. There's a new funfair (游乐场) in the

park. Let's all go there to play."

    Her husband said, "I want to finish some work today." "Oh, forget it. Go there and make our children

happy. That's the most important work." Mrs. White said. 

   So Mr. and Mrs. White took their children to the funfair. Mr. White was forty-five years old, but he

enjoyed the funfair more than his children. He hurried from one thing to another, and ate lots of sweets.

One of the children said to her mother, "Dad is just like a small child, isn't he, Mom?" Mrs. White didn't

want to follow her husband around any more at that time and answered, "He is even worse than a small

child, Mary, because he might spend more money than a small child."

1. There were ______ children in the White family.

A. two

B. three

C. four

D. five

2. One Sunday, Mr. and Mrs. White wanted to go to ______ with their children.

A. school

B. work

C. a funfair

D. a shop

3. Mrs. White thought the most important work that day was to _______.  

A. make their children happy    

B. let Mr. White finish his work   

C. spend more money playing    

D. make Mr. White follow her

4. From the story we know Mrs. White ______ when Mary asked her the question.

A. was still excited to play

B. was a little angry with Mr. White

C. looked for Mr. White everywhere

D.ate a lot of sweets

5. Of all the family members, ______ enjoyed playing there most that Sunday.

A. Mr. White

B. Mrs. White

C. Mary

D. the boys

单项选择题