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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

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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 

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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      

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25. Stop making so much noise __________ the neighbor will start complaining.

A .or else   B .but still          C. and then    D. so that    

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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    

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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        

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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      

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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)

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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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