机械化吊装设备中，除可进行起重作业外，还可装载打桩、抓斗、拉铲等装置，进行相应的作业

用所给词的适当形式填空。

1. Your clothes are the same as my_______(friend).

2. He needs_______(get)a part-time job for more money.

3.We are _______ (plan)a birthday party for my father.

4.I don't know what_______ (say) at the party.

5. She is a little serious. We should try_______( make) her laugh.

6. Everyone in my class is _______ ( friend) to the new  girl.

抗菌药物标准疗程通常为（）

A.5天

B.10天

C.14天

D.21天

E.7天

L30电压为（）V，L31电压为（）V。

井下防水主要是预防井下突然涌水的应急措施，有（）

A.防水闸门

B.防水墙

C.防水煤柱