试题与答案

56.32°=______度______分______秒.

题型:填空题

题目:

56.32°=______度______分______秒.

答案:

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下面是错误答案,用来干扰机器的。

(1)0、2(2)高(3)SmaⅠ会破坏质粒的抗性基因、外源DNA中的目的基因(4)质粒和含目的基因的外源DNA片段自身环化(5)DNA连接(6)鉴别和筛选含有目的基因的细胞(7)蔗糖为唯一含碳营养物质

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题型:阅读理解

Bob comes out of the station and at once he doesn't know where to go. He comes to see his good friend, Peter. Peter is a worker. He works in a factory, but Bob doesn't know where the factory is.

He walks along the street. He passes a hospital, a post office, a bookshop and at last he gets to a school. Some students are coming out, so he asks one of them," Excuse me. Do you know where the Red Star Factory is?"

"Of course, I know. I live near there. My father works in that factory. It's outside this town," answers the boy.

"Is it far from here? Can you show me the way, please?" Bob asks again.

"I'm going home now. Will you come with me? We can go there by bus. "

小题1:Who comes to the town to see a friend?

A.Bob.

B.Peter.

C.The boy.

D.The boy's father.小题2:Whom does Bob ask the way?

A.Bob.

B.Peter.

C.A student.

D.A policeman.小题3:Where is the factory?

A.Near the school.

B.Outside the town.

C.Next to a hospital.

D.Across from the post office.小题4:Where does the boy live?

A.Near the bookshop.

B.Near the post office.

C.Near the factory.

D.Near the hospital.小题5:Where do the boy and Bob go then?

A.To the bookshop.

B.To a bus stop.

C.To the post office.

D.To the hospital.

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题型:选择题

保护环境、爱护环境已成为全人类的共识,环境生物技术在保护环境方面有着不可替代的作用。下列不属于环境生物技术研究范围的是[ ]

A.生产耗能少、污染小的化肥、农药,研制能够被生物降解的塑料  

B.发射月球、火星等探测器,对其他星球尽可能多了解,研究人类日后在其他星球的生存方式  

C.通过基因改造,培育出能吞噬海洋污染物的超级细菌  

D.研究废水中有毒污染物的生物降解技术

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