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7.Some people choose jobs for other reasons _______ money these days.

    A.for                        B.except                  C.besides     D.with

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6.They couldn’t stand ___________ like that.

    A.to treated    B .to treat                  C.treating        D.being treated

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5.-----When __________ and visit our factory next month?

    -----When __________ , I’ll let you know.

    A.will he come; he will come     B.will he come; he comes

    C.does he come; he will come   D.does he come; he comes

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4.Don’t get off until the bus __________.

    A.stopped                                     B.will stop   

    C.will have stopped              D.stops

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3.-----What did the teacher say just now?

    -----Sorry.I didn’t catch it.I ___________ something else.

    A.think about                            B.will think about

    C.was thinking about                       D.thought about

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2.The young lady rushed into the room _______ she heard the noise.

    A.the moment                                   B.the moment when 

    C.immediately when            D.at the moment

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1.It took us quite a long time to get there.It was _________ journey.

    A.three-hour                  B.a three hour    

    C.a three-hour                D.three hours

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40.根据下面图解,回答问题:

  (1)该图所示为    肽化合物。

  (2)填写虚线框内结构的名称

       A.                    B.                

C.    

  (3)生成此化合物的反应叫        。 

  (4)由X个氨基酸缩合成Y条肽链,这一过程中,脱去的水分子数和形成的肽键数目分别是       、      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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39.细胞中常见的元素有  种,其中有些含量较多,如     。最基本的元素是 ,基本元素有    ,主要元素有      

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38.生物科学的研究已经进入  水平,对生物大分子(如    )的研究已经相当深入,这些大分子   (填“有”或“没有”)生命。

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