单词拼写。

1.The floor is dirty. So s _________ it after class.

2. My brother h_________ traveling by air, but she likes taking the trains.

3. You can b_________ my bike but you must give it back this afternoon, because I’ll have to use it then.

4. Can I use your pen? M_________ is at home.

5. Our teachers often have a m_________ on Thursday afternoon..

6. Could you _________(邀请) your friends to a party?

7. I __________(忘记)to turn off the TV when I left home.

8. The man is __________  _________(创作)a new book.

9. He __________ (不同意)with his parents on most things.

10. Could you please __________(喂)the goldfish?

关于生物细胞内的能量转换器叶绿体和线粒体错误的说法是（　　）

A．动物细胞里只有线粒体

B．线粒体和叶绿体都是细胞器

C．植物细胞里只有叶绿体

D．线粒体是细胞的动力“车间”