试题与答案

稳定蛋白质分子中α仪螺旋化学键是A.肽键 B.二硫键 C.盐键 D.疏水作用 E.氢

题型:单项选择题

题目:

稳定蛋白质分子中α仪螺旋化学键是

A.肽键

B.二硫键

C.盐键

D.疏水作用

E.氢键

答案:

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题型:阅读理解

Mozart was born on January 27, 1756 and died on December 5 , 1791. When he was three, he often had lessons with his elder sister. His father took him through many different countries, where he played music for lots of people.

But some people didn’t believe a little boy could write such beautiful music. They asked him to stay in a room all by himself for a week and somebody watched the room all the time . In a week , he finished a new piece of music . After that, people believed that he could write beautiful music.

Mozart died when he was still a young man. During his short life he studied music and taught music and played music and wrote music. Even by working so hard, he couldn’t make much money . Often he had to borrow money from his friends. But his music made him happy and for more than two hundred years his music has made other people happy, too.

小题1:When he was     , Mozart took music lessons with his sisters.

A.three

B.five

C.young

D.old小题2:Mozart lived         .

A.very old

B.long time

C.a long life

D.a short life小题3:Although Mozart was famous , he was        .

A.hard

B.rich

C.happy

D.poor小题4:His music made         happy.

A.both him and other people

B.only him

C.other people

D.nobody

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