手术区铺盖无菌布单的正确方法是（）

A.无菌巾先铺相对不洁区或操作者的对侧

B.无菌巾铺下后不可由内向外再移动

C.开腹手术的术野区至少铺单2层

D.无菌单下垂手术台边缘至少10cm

E.术中手术巾单湿透时，应尽快结束手术

用所给单词的适当形式填空。

1. It's _____ (get) late. Let's go home.

2. Is life today better than it _____ (be) 50 years ago?

3. I think you are _____ ( lazy) than he is.

4. We have _____ (little) rainfall this year than last year.

5. His drawing isn't so _____ (good) as yours.

6. Can you tell me the _____ (near) way to the bank?

7. It is the _____ (busy) day of the week.