类质同象替代按照不同组分在替代中的范围分为:()。
A、完全类质同象替代;
B、不完全类质同象;
C、等价类质同象替代;
D、异价类质同象替代;
参考答案:A, B
动词填空。
1. Can Amy _____ (swim) now?
2. _____ (not smoke) in the office, please.
3. There _____(be) some bread and two apples on the table.
4. They want _____(play) volleyball this afternoon.
5. My mother enjoys _____(chat) with her friends.
6. —Who _____(come ) from Shanghai?
—Simon.
7. Jim and I _____(not be) in the same class.
8. —_____ her classmates _____ (fly) kites every spring?
——Yes.
9. I have a photo. Let Andy _____ (have) a look first.
10. Would you like _____ (go) shopping with me this afternoon?
在Linux操作系统中,如果我们先用mount命令加载光驱设备到/mnt/cdrom下,接着我们cd进入该目录,但用Is列出光盘内容后,我们需要换一张CD,这时我们需要先执行______操作。
A.使用umoun卸载该设备
B.直接按光驱的退盘键
C.退出/mnt/cdrom目录
D.重新加载设备mount-a