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9.The attackers were arrested and didn’t know where they     

    A.would take                      B.are taken      

    C.were being taken                                   D.will be taken

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8.Some movie stars are always wearing sunglasses , afraid of ____.

    A.being recognized               B.recognizing   

    C.having been recognized            D.recognized

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7.Only when Tom fully recovered _____ back to work. A.did he go      B.he went        C.had he gone     D.he had gone

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6.-Why are your hands so dirty?

   -I      in the garden.

    A.was working                      B.have worked    

    C.worked                         D.have been working

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5.The wrong you ‘ve done to him is so terrible , for___ you should make an apology to him , I think.

    A.which         B.this           C.what          D.that

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4.-- What was the party like?

  -- Wonderful.It is years ____ I had a good time.

    A.after         B.when         C.before        D.since

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3.You look so tired.You ______ have stayed up late again.

   A.should        B.can           C.may          D.must

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2. Today,    rapid transportation and communication, the whole world seems to be smaller.

    A.regardless of     B.in spite of      C.instead of       D.because of

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第一节  单项填空(共25小题;每小题1分,共25分)

   从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

1.-What do you think of their new house?

   -It’s very modern,but they have some antique        in it.

   A.furniture                        B.furnitures

   C.piece of furnitures                 D.piece of furniture

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30.(12分)“瘦素”是最近由英国研究人员发现的人体中一种重要激素,它能控制人的食欲。注射“瘦素”后,人的食欲会下降,从而对人体是否发胖起到至关重要的作用。请回答下列问题:

  (1)肥胖是由体内脂肪过多引起的,检验脂肪的试剂是   ,颜色反应是    

  (2)在“5·12汶川大地震”后期的救援中,从废墟下救出的生还者女性较男性多。其原因在于女性皮下脂肪厚,在没有食物和饮水的条件下,女性的生存期限会比男性长。请从脂肪的元素组成及主要作用角度分析出现上述现象的原因

                               

 (3)某校生物兴趣小组想利用以下材料,设计实验探究“瘦素”能否控制动物的食欲以及能否起到减肥作用,请帮他们完成下列实验设计。

      材料用具:大鼠若干只、普通饲料、一定剂量的“瘦素”溶液、生理盐水,其他所需条件均满足。

   实验步骤:

    第一步:选取      基本相同的大鼠若干只,随机平均分为两组,并编号为甲、乙;

    第二步:甲组每天注射       ,乙组每天注射      的生理盐水;

    第三步:                      ;

    第四步:一段时间后,观察大鼠的食欲状况,称量并统计      

    预期结果及相应的结论:

     若             ,则说明               ;

    若             ,则说明               ;

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