滑动检验时，倾斜（）柱塞在柱塞套内应能缓慢下滑到底。A.45º B.60º C.75

等回声

急性心肌梗死早期出现的室早治疗应首选的是（）

A.静注利多卡因

B.静注毛花苷C

C.口服胺碘酮

D.口服苯妥英钠

E.静注普罗帕酮

该图剖面图最能反映我国地势特征的是（     ）

用所给单词的适当形式填空。

1. My grandmother ____________(watch) TV every evening.

2. I want ____________ (join) the swimming club.

3. Let's ______________ (go) to an action movie.

4 .May is the ____________(five) month of the year.

5. My little brother is nine ____________(month) old.

选择并案处理要注意哪些事项？