27. To save the drowning child, the boy plunged into the icy water without hesitation, ______ his own safety.
A. despite of B. regardless of C. unaware of D. because of
26. What surprised me most was to see the girl laugh the way _____ her mother did at that age.
A. / B. which C. with which D. where
25. The news reporters hurried to the airport, only_______ the film stars had left.
A to tell B. to be told C. telling D. told
24. ---I hope that you can remove the difference between you and Susan and become good friends.
---______. If only Susan had the same idea.
A My pleasure B. It’s a pleasure C. By no means D. By all means
23. When _____ help, one often says “ Thank you” or “It’s kind of you”.
A. offering B. to offer C. to be offered D. offered
22. -Father, you promised!
-Well, _______. But it was you who didn’t keep your ______ first.
A. so was I; word B. so did I; words C. so I was; words D. so I did; word
第一节:单项填空(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. With _______ beautiful smile on her face, Wang Anni proudly stepped off the special Olympic plane called “______ Journey of Harmony” early this month.
A. a; The B. a; / C. the; A D. /; The
34.(8分)为验证甲状腺激素对代谢的影响,设计如下实验。
实验材料:雄性小白鼠20只,鼠笼、鼠饮水器、灌胃管、5mg/ml甲状腺激素溶液,O.9%NaCl、1000ml广口瓶,秒表。
实验步骤:
第一步:将健康雄性小白鼠按生活力相同、重量相同、均匀分成给药组和对照组,每组10只,实验室温度保持在23℃左右。
第二步:给药组小白鼠每日每次用灌胃法饲给5mg/ml甲状腺激素溶液lmL,每日2次,连续用药5d。对照组小白鼠,每只每次依上法饲给lml不含甲状腺激素的溶液。
第三步:5d后将每只小白鼠放入容积1000mL广口瓶中,把瓶口密封后立即观察小白鼠的活动,并记录其存活时间,最后汇总全组动物的实验结果,计算平均存活时间,并与对照组结果进行比较。
根据以上实验步骤,完成下列问题:
①设计-一张表格,记录观察的实验结果。
②甲状腺激素对新陈代谢起______________作用。若动物体内甲状腺激素含量长期偏高,则其耐氧性的变化是_________________。
③实验结果是_______________________。
④放入密封广口瓶中的初期,小白鼠的活动量实验组_______对照组。
陆慕高级中学09-10学年高二上学期第一次测试
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