问题 单项选择题 1.0

肌萎缩病人哪种同工酶明显升高()

A.乳酸脱氢酶1型同工酶

B.乳酸脱氢酶2型同工酶

C.乳酸脱氢酶3型同工酶

D.乳酸脱氢酶4型同工酶

E.乳酸脱氢酶5型同工酶

答案

参考答案:E

解析:本题考查乳酸脱氢酶同工酶的应用,骨骼肌和肝细胞损伤时常出现LD5>LD4

阅读理解

阅读理解。

     Thomas Edison was a famous American scientist. He was born in 1847. When he was a child, he liked

  to find out how things worked. He was in school for only three months. He asked his teacher a lot of

  strange questions, Most of them had nothing to do with his lessons. The teacher thought the boy was

 not bright and was not worth (值) teaching. When he told this to Edison's mother, she took her son out of

  school. As she had been a teacher, she taught him herself. The boy read a lot. Soon he became very

  interested in science. At the age of ten, Edison had already built a chemistry lab (实验室) for himself.

 Ever since then, he never stopped searching (探索) for new and better ways to do things.

1. Edison was born in the _____  century ( 世纪).

    A. eighteenth    

    B. nineteenth  

    C. nineteen      

    D. eighteen      

2. While he was in school, Edison _____  .

    A. studied his lesson very hard  

    B. was often late for school

    C. liked to ask questions      

    D. was not bright and enough to study

3. Edison learned more from _____  .

    A. his mother    

    B. his teacher  

    C. other boys    

    D. his father

4. Young Edison was interested in _____  .

    A. sports    

    B. playing games  

    C. making trouble  

    D. science

5. He was always searching for new and better ways to do things after he _____  .

    A. read books                    

    B. finished school  

    C. built a lab                    

    D. was taken out of school

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