从时间跨度考虑，20世纪30年代末出现的是（）。A.生产观念 B.产品观念 C.推销

阅读表达。

     Stephen Hawking was born in Oxford (牛津), England on the 8th of January,1942.He went to

school in ST Albans — a small city near London. After leaving school, Mr Hawking went to Oxford

University where he studied physics, then he went to Cambridge University (剑桥大学).

     When he was 20 years old, Mr. Hawking got a bad illness. He couldn't speak or move without the

help of a machine. Doctors said they had no way to help him. He would die before he was 23. At first,

Mr. Hawking became very sad. After a while, though, he began to see his life in a different way. He

worked hard and later became a very famous professor.(教授) Today he still works at Cambridge

University as a professor.

根据短文回答下列问题。

1.When was Mr Hawking born?

    ______________________________________________

2.How many universities did Mr Hawking study in?

    ______________________________________________

3.In which year did Mr Hawking get a bad illness?

    ______________________________________________

4.Did Mr Hawking go to school in London?

    ______________________________________________

5.Where does Mr Hawking still work today?

    ______________________________________________

不出现于蛋白质中的氨基酸是

A．谷氨酸

B．瓜氨酸

C．精氨酸

D．天冬酰胺

E．亮氨酸

My mother often _____ home at 6:00 in the evening.        [ ]

A.  get    

B.  gets   

C.  gets to    

D.  get to

以下哪项活动MET小于3．5（）

A.床上用便盆

B.坐厕

C.步行5.0km／h

D.扫地

E.击鼓

合理化机制是为摆脱痛苦而给自己找理由，是最常见的一种防御机制，表现为

A．酸葡萄机制

B．眼不见为净

C．鸵鸟策略

D．此地无银三百两

E．做“白日梦”