词汇考查。

1. How long have you been c             shells?

2. Was this your first skating m            ?

3. When did you get your first p              of skates?

4. I p             love globes with animals.

5. Although I am new, I have s             friends here.

6. In Australia, students usually study A             and western history.

7. There is some European i             in the city .

8. Our class is organizing a talent show to r             money for charity.

9. He has been living here s             twenty years ago.

10. If you want to post a letter, you should buy a s              first.

非同步电复律用于治疗（）。

A.心室扑动

B.室性心动过速

C.心房扑动

D.室上性心动过速

E.心房颤动