商代官府还按()设立司工、陶正、车正、工正等官职负责管理,号称“百工”。
A.行业
B.职业
C.产业
D.专业
参考答案:A
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”