26. It was the four years from 2004-2007,_______I spent studying for a master’s degree, _____I will never forget.
A. when; that B. when; when C. that ;that D. which; that
25.We visited the school that lies in _________was a big factory more than twenty years ago.
A. what B. which C. that D. where
24. Criticism and self-criticism is necessary it helps us to correct our mistakes.
A. so B. however C. therefore D. in that
23. ______ that he has no qualifications in education management, the man plans to gain the necessary skills by taking a part-time course.
A. To concern B. To be concerned C. Concerning D. Concerned
22. I would like __________you to my birthday party, but I was busy and forget to call you.
A. to invite B. inviting C. to have invited D. having invited
第一节:单项填空(共15小题;每小题1分,满分15分)
21. ---What ___________disappointment to see Liu Xiang quit his game in ________29th Beijing Olympic Games!
----But I still support him. After all he is in poor health.
A.不填; the B. a ; the C. the ; 不填 D. the ; the
23、(10分)如图表示人体的三大类有机物的部分代谢途径和产物,据图回答下列问题:
(1)人们注意到两个事实,其一是校园内的胖学生所占比例比过去高很多,其二是生活环境相似的人群中,个体体重差异显著。上述事实说明肥胖是 的结果。
(2)④过程的产物是 氨基酸,若机体需要较多地依赖⑨过程提供能量,则表明细胞处于 状态。
(3)图中X、Y分别表示的物质是
(4)图中除⑤外,能产生水的生理过程还有 .
22、I(6分)粗齿冷水花生长于向阳处叶为肉质,生长于阴蔽处叶为革质。为了验证“粗齿冷水花的革质叶是受环境因素的影响而是形成的”,生物兴趣小组的同学进行了如下两组试验,请分别指出实验思路能否达到实验目的,为什么?
(1)实验一:①于野外取叶肉质的一株粗齿冷水花上的种子若干,分成AB两组,分别栽种在装有沃土的花盆中,给予适宜的外界条件,催芽;
②发芽后,在适宜的条件下培养,其中A组放在向阳处,B组放在阴蔽处;
③一段时间后观察粗齿冷水花的叶质。
答: ,
(2)实验二:①于野外取一株叶肉质的粗齿冷水花,在同一直根上切取相似的若干段,分成AB两组,分别埋在装有沃土的花盆中催芽;
②再将A组放在向阳处,B组放在阴蔽处继续培养;
③一段时间后观察粗齿冷水花成熟叶质的变化。
答: ,
II、(6分)现提供一定浓度的淀粉溶液,用某种材质制成的透析袋,大烧杯,清水、碘液、细线、支架。设计实验探究淀粉分子能否通过该透析袋。
(1)用简图表示该实验的实验装置(并标明各部分名称)
(2)预测可能的实验现象及相应结论
① ②
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