如果刚抹完的灰梗吸水较慢时，______，待前边抹好的灰梗已吸水后，可______。
参考答案：要多抹出几条灰梗；从前开始向后逐条刮平，搓平
用所给单词的适当形式填空。
1. I send __________ (a) e-mail to my friend.
2. Look at these __________ (picture).
3. There is a letter on __________ (paper).
4. The postcard __________ (have) a panda on it.
5. Danny __________ (do) his homework now.
6. Today is February __________ (six).
7. __________ (do) the hotel have a computer?
8. Let's __________ (go) to the hotel.
9. It is __________ (snow) in Canada.
10. I can __________ (show) you the computer.
植骨手术治疗感染引起的骨折不愈合须在（）。
A.伤口愈合后
B.伤口基本愈合后
C.伤口愈合1～2月后
D.伤口愈合2～4月后
E.伤口愈合半年后
