27. In English-speaking countries, a person with a large vocabulary is _______ a walking dictionary.
A. referred to B. compared to C. thought of D. devoted to
26. Practising Chinese Kun fu can not only ________ one’s strength, but also develop one’s character.
A. bring up B. build up C. take up D. pull up
25. Most people honestly admit that they hardly know a thing when it ________ understanding how a piece of music is made.
A. amounts to B. appeals to C. leads to D. comes to
24. The best method to ________ this goal is to unite as many people as possible and form a powerful team.
A. complete B. promote C. accomplish D. win
23. Take two pills every six hours. If you still feel uncomfortable, _______ medical advice.
A. seek B. observe C. request D. ignore
22. Study shows that scary movies, easy ______ to weapons and improper internet games greatly contribute to campus violence.
A. gain B. possession C. access D. chance
第一节:多项选择(共10小题;每小题1分,满分10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. We should bear in mind that social development and balance of nature should go in _______.
A. combination B. sympathy C. harmony D. association
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_________。
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