28. ----Come on, please give me some ideas about the project.
----With so much work filling my mind, I almost ______.
A. break up B. break out C. break down D. break off
27. _______about
wild plants that they decided to make a trip to Madagascar for further research.
A. So curious the couple was B. So curious were the couple
C. How curious the couple were D. The couple was such curious
26. If there were no examinations, we should have ___ at school.
A. the happiest time B. a more happier time
C. much happiest time D. a much happier time
25. Stop making so much noise __________ the neighbor will start complaining.
A .or else B .but still C. and then D. so that
24. -How are you doing all these years, Jim?
-Nothing new. Everything is going on _______ it was years ago.
A. as B. while C. when D. since
23. The students ___ busily when Miss Brown went to get a book she ___ in the office.
A. had written, left B. were writing, has left
C. had written, had left D. were writing, had left
22. -You’re going to have a rise this month, aren’t you?
-Yes, only $ 100.
- Well, _______.
A. the more, the better B. easier said than done
C. better than never D. better than nothing
34.(11分)(注意:在试题卷上作答无效。)
取三株生长发育状况相同,长势良好的番茄植株,在甲、乙、丙三个装置中培养,其中乙装置中的植株去掉枝条上的全部叶片。甲、乙、丙装置中盛有等量的营养液(见右图)。三个装置在相同的适宜条件下培养。请分析回答下列问题:
⑴通过甲、乙两组实验结果的对比分析,可以说明植物叶片的___________是植物根吸收水分的重要动力。
⑵一段时间后,若甲瓶中的番茄因失水出现了萎蔫,其原因可能是装置中的培养液_________________。为了证实这一可能,可通过观察根尖__________区表皮细胞是否发生_________现象进行判断。
⑶通过甲组和丙组实验,可用来研究Mg元素是否为番茄植株的必需元素,请写出研究中的自变量和因变量。
⑷在适宜温度下,采用甲图研究培养液中氧气含量对K+吸收速率的影响。实验结果如丁图,则小麦幼苗吸收K+的方式是_________,培养液氧气含量对K+吸收速率变化影响最大的是图中________段,d点以后K+吸收速率不再明显增加的原因是____________________________________。
长葛市第三实验高中2010年高考调研试卷(1)
33.(12分)(注意:在试题卷上作答无效。)
下图(图I)表示某类植物固定和还原CO2的过程;(图II)表示的是A、B、C三类植物在夏季晴朗的一天中气孔的开放情况。请据图分析,回答下列问题:
⑴图Ⅰ所示植物在固定CO2上与C4植物的共同点是_____,但此类植物在叶片结构上与C3植物是相同的,区别于C4植物的是_______________。
⑵图Ⅰ植物夜晚能吸收CO2,却不能合成(CH2O),其原因是_________________。这类植物进行光合作用所需的CO2还可以由____________产生,与此相关的细胞器是_______________。
⑶图Ⅰ相关植物属于图Ⅱ中的__________________类。
⑷图Ⅰ植物光合作用特点是与环境相适应的,推测此类植物最可能的生活环境是_______________________________________。
⑸图Ⅱ中B类植物中午时分光合速率下降的主要原因是______________。
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