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29.Several hours later, with the help of the police, the students managed to escape from the dangerous place, _______.

   A. hungry and frightened       B. hungrily and frightening

   C. hungry and frightening       D. hungrily and frightened

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28. That light rail transit line(轻轨), __  _in July 2009 and ___ in 2012, will be China’s longest light rail transit line in history.

   A. starting, completing        B. started, to be completed

C. to start, completed        D. starting, completed

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25. -I got an email from Susan, _____ said she was going abroad for sightseeing.   -Fantastic! That’s what she has been dreaming of.   A. which          B. she           C. who          D. it  26. The little girl showed no anxiety before the competition. She seemed _____ for it pretty well.   A. to prepare      B. to have prepared     C. having prepared    D. to be preparing 27. Annie often tells her classmates ______ at the remote school in the mountain area and what she has done there as a volunteer.

A. life is how hard   B. what hard life is  C. how hard life is            D. how hard is life

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23. Your room is terribly dirty; you    get it cleaned in two hours, or Mum will be angry.

A. can          B. might        C. shall            D. may 24. --- Remember the first time we ______ , Peterson?

--- Of course, I ______ . We’ve been close friends ever since.

A. met; do       B. met; did        C. had met; did      D. have met; do

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22. Ad-makers choose words and brand names very carefully in order to make a creative image of the product they are ____. 

A. processing  B. producing  C. providing    D. promoting

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第一节 单项填空(共15小题;每小题1分,满分15分)

从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。

21. Pirates from Somalia who hijacked _____European carrier in _____ Indian Ocean threatened to kill its 25 crew members if any rescue operation was attempted.

  A. the; 不填        B. a; the        C. the; a       D. the; the

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34.(7分)根据以下实验内容回答问题:

①生物组织中还原糖的鉴定     ②生物组织中脂肪的鉴定    ③生物组织中蛋白质的鉴定    ④观察植物细胞的质壁分离和复原    ⑤叶绿体中色素的提取和分离

⑥DNA的粗提取与鉴定   ⑦观察根尖分生组织细胞的有丝分裂   ⑧探究酵母菌细胞呼吸的方式

(1)在上述实验过程中,必须借助显微镜才能完成的是         (填序号),实验中需要水浴加热的有         (填序号)。

(2)在上述实验中,常用到酒精的实验有②、⑤、⑥、⑦,其中酒精所起的作用分别是

                                      

             。                                            

(3)由于实验材料用品或试剂所限,有时候需要设法替代。下列各项处理中正确(   )

A.做⑦实验时,可用蒜叶代替洋葱根尖  

B.做④实验时,可用鸡血红细胞代替紫色洋葱表皮细胞  

C.做⑤实验时,可用干净的细沙代替二氧化硅 

D.做②实验时,可用龙胆紫代替苏丹Ⅲ染液

审核:王斌 命题、校对:徐树文

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33.(5分)20世纪以来石油农业的快速发展,大量化肥农药的使用,在粮食产量大幅度提高的同时,也使食品的质量安全持续下降。于是生态农业成了世界共同关注的焦点。下图表示一种“甘薯十奶牛十沼气十花木十龙虾十食用菌”生态农业模式,试据图回答有关问题:

⑴图中所示生态系统的主要成分是_________________,属于该生态系统分解者的有_________________________。

⑵图中可以组成的捕食食物链是______________________。

⑶该生态系统的设计遵循了___________________________等生态学原理,从而大大提高了能量利用率。

⑷甘薯藤青贮的主要操作是:甘薯藤切段→填压进入青贮窖中→密封一段时间。其目的在于_____________________________________________________。

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