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问题 单项选择题

肠上皮细胞由肠腔吸收葡萄糖，是属于

A．单纯扩散

B．易化扩散

C．主动转运

D．人胞作用

E．吞噬

答案

参考答案：C

解析：参阅11998N02]，类似题[2004N04]、[1999N093、舛]、t1998N02]、[1991N0105、106]。

完形填空

PE classes have become a nightmare (噩梦) for Liu Fei, a 15-year-old student. He has to run at l 小题1: 4 laps (圈) of the playground in every PE class. That’s n 小题2: 1,500 meters!

Liu is p 小题3: 40 points in the senior high school entrance examination (中考). It usually i 小题4: long-distance running, long jump, rope skipping and sit-ups (仰卧起坐).

“Now I can run 1000 meters in only 3 minutes 40 seconds, about 30 seconds f 小题5: than before.” Liu said.

A PE teacher from Zhenjiang with teaching e 小题6: of 10 years, said, “Long-distance running r 小题7: lots of energy and endurance (耐力), which cannot be gained in a short time.

Taking up other activities early is also n 小题8:. Teachers will teach you some skills and you need time to practice.

Training is important, but don’t forget to protect yourself. He s 小题9: that students should warm up before training. Start slowly and build up the activity a little at a time.
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《福建省建筑安装工程费用定额》（2003）中安全施工费和文明施工费的取费标准未最低取费标准，临时设施费的最低取费标准为本定额中临时设施费取费标准的70%。
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