试题与答案

乙型强心苷是() A.甾体母核C-17位连有五元不饱和内酯环的化合物 B.甾体母核C

题型:单项选择题 B型题

题目:

乙型强心苷是()

A.甾体母核C-17位连有五元不饱和内酯环的化合物

B.甾体母核C-17位连有六元不饱和内酯环的化合物

C.甾体母核C-17位连有五碳醛糖的化合物

D.甾体母核C-17位连有六碳醛糖的化合物

E.甾体母核C-17位连有心去氧糖的化合物

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

判断正(T)误(F)。

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he was shy. He didn't study well at school, and his mother often worried about his future. From then 

on he was interested in music .He developed a love of musical instrument when he was three years old.

In 2ooo he became a singer

      Many fans like Jay and his special style of R&B. They love his music and his talents. He has released

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lyrics are written by him, too.                                                                                                                   

( )1. Jay was born in Hong Kong.          

( )2. His special style is R& B.          

( )3. He liked studying when he was young.

( )4. His new album is YeHumei.          

( )5. He can't write lyrics             

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题型:问答题 案例分析题

材料:2011年9月29日,中国首个空间实验室“天宫一号”在酒泉卫星发射中心成功发射。它标志着我国空间实验站技术的探索有了重大的突破。而这之前,我们已经经历了从“神一”到“神七”,“嫦娥一号”到“嫦娥二号”等多次实验,可以说这些科学实践为“天宫一号”的成功发射奠定了坚实的基础。然而,这还只是第一步,“神八”飞船也将于11月升空。“天宫一号”与“神八”并将于2012年完成交会对接试验。我国还将通过多次发射,建立真正空间站;再向前发展,中国人登上月球甚至火星,也将不是一个梦想。

上述材料是如何体现量变和质变的辩证关系的?

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