题目

6．将萎蔫的菜叶放入清水中，菜叶能吸水而恢复原状，菜叶细胞的这种吸水方式不能叫做（ ） A．主动运输B．被动运输               C．自由扩散 D．渗透吸水 答案：A 给下列的问句选择合适的答语。 (     ) 1. Do you have a map?(     ) 2. What do you like to do?(     ) 3. Is Li Ming taller or shorter than his father?(     ) 4. Where are the clothes?(     ) 5. What are you doing?(     ) 6. May I help you?(     ) 7. How can we go to Beijing?(     ) 8. When does the train leave? A. At 12: 00.B. I like to play basketball.C. He is shorter.D. Sure.E. By train.F. Yes, I do.G. I am playing ping-pong.H. In a suitcase.