29. _________ is not how much you do but what you do that matters.
A. This B. It C. That D. There
28. The word “cool” has expanded to _________ many different meanings.
A. take on B. put on C. carry on D. get on
27. Generally speaking, _________ main material for building houses has been concrete, but _________ wood and stone have also been used.
A. the; / B. /; / C. the; the D. /; the
26. – I lost the game today.
– Well, _________ luck next time.
A. well B. good C. better D. best
25. I want to improve my English. Don’t __ to correct me if I make a mistake.
A. mind B. hesitate C. desire D. seek
24. – Has any of you seen the film, Amazing Tales: Three Guns?
– _________.
A. No one B. Not C. None D. Not any
23. _________ the illegal mobile WAP sites worries many parents.
A. The children’s surfing B. The children surf
C. The children surfing D. The children have surfed
22. He is so happy ____ his father has promised to buy him an MP5 player.
A. that B. while C. which D. because
第一节:语法和词汇知识(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. – What’s the matter? You really look down.
– _________.
A. Why, I always look up to you
B. Me? I never look down upon anybody
C. I am looking for my pen on the floor D. I failed an important test
29.(14分)碱存在下,卤代烃与醇反应生成醚(R-O-R′)
R-X + R′OH R-O-R′ + HX
化合物A经下列四步反应得到常用溶剂四氢呋喃,反应框图如下:
请回答下列问题:
(1)A物质中所含官能团的名称_________________________;
(2)写出①、③步反应类型分别为①____________、③____________;
(3)写出下列反应的化学方程式:
(I)A与乙酸反应________________________________________,
(II)A的一种同分异构体发生银镜反应_________________________________;
(4)写出四氢呋喃链状醚类的所有同分异构体的结构简式_____________________。
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