胆固醇、小分子脂肪酸、维生素D等物质以自由扩散的方式能优先通

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问题选择题

胆固醇、小分子脂肪酸、维生素D等物质以自由扩散的方式能优先通过细胞膜，这是因为[ ]

A．细胞膜具有一定的流动性

B．细胞膜是选择透过性膜

C．细胞膜是以磷脂双分子层为基本骨架的

D．细胞膜上镶嵌有各种形态的蛋白质分子

答案

答案：C

选择题

My parents always let me have my own _____ of living. [ ]

A. fashion

B. manner

C. way

D. method

翻译题

完成句子

1. It was very dangerous because if I was caught I ________________(我可能要坐牢). (put)

2. The old man became very worried, standing at the gate, unable to find a man to ________________(他可以求助的). (turn)

3. Only then ________________(他才愿意)take my advice that the meeting be put off. (willing)

4. The old man ________________(非常喜欢)travelling that he spent almost all his savings for it.

(fond)

5. What's the name of the place ________________(你度假的) last year? (spend)

6. Neil Armstrong and Edwin Aldrin were the first ________________(登上月球的). But they were

not the last. (land)

7. On the mountain ________________(有一座庙)at an altitude of more than 3,000 metres above

the sea level. (lie)

8. The miners ________________(被困的)in the mine for days were finally rescued.(trap)

9. It was because of his burning up the government building ________________(他被判刑)2 years.

(sentence)

10. It is reported that many a new house ______________(被建造)at present in the disaster area.

(construct)