27. -Have you heard that Mr. Smith bought a new mobile phone the other day?
-__________? That’s his second one in just one week.
A. Had he B. Did he C. Does he D. Has he
26. Tim is fully _________ of the situation he is facing, so you needn’t remind him.
A. amazed B. confident C. aware D. sensitive
25. He has his faults, but, _________, he is a good helper.
A. all in all B. above all C. after all D. first of all
24. The cruelty of the terrorists towards foreigners and __________ of the terrorists towards London last month filled everyone with horror.
A. those B. one C. that D. it
23. Don’t worry too much about ________ mistakes. They are ________ natural part of learning.
A. the; a B. /; a C. the; / D. the; the
22. -Have a wonderful trip, Tom. I wish I could go with you.
-Oh, how nice of you. I _________ you _________ to see me off.
A. hadn’t thought; were coming B. never think; will come
C. didn’t think; came D. never thought; were coming
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。
21. -I’m taking my mathematics test tomorrow morning.
-_________!
A. Cheers B. Good luck C. Come on D. Congratulations
6.(9分)请根据如图所示的实验装置,探究小麦的麦穗与叶片光合作用速率的关系,完成实验设计和分析。
(1)实验原理:光合作用的速率大小可通过_________________________来确定。
(2)实验步骤
第一步:在适宜的温度、光照等条件下,观察并记录经过光照2h后________________;
第二步:_______________________________________________________________;
第三步:_______________________________________________________________;
(3)预测支持下列假设的实验结果
假设一:小麦的麦穗引起了光合作用速率的加快,则实验结果是_______________。
假设二:小麦的麦穗引起了光合作用速率的减慢,则实验结果是________________。
假设三:小麦的麦穗不引起光合作用速率的改变,则实验结果是_________________。
(4)此实验的对照组为________________________________________。
(5)本实验除了题目中涉及到的控制因素外,为了保证实验结论更加科学和可靠,你认为还应注意做到___________________。
2009-2010-1天津一中高三生物第二次月考
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