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
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
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
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
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
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
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
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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