一国国际收支平衡表中最基本，最重要的账户是______ A．经常账户 B．资本账户

属于小细胞、低色素性贫血的是（）。

A.缺铁性贫血

B.铁粒幼细胞性贫血

C.慢性感染性贫血

D.溶血性贫血

E.地中海贫血

根据句意及首字母填写单词。

1. Our English teacher's p_____ is very nice and clear. We can understand her well.

2. Boys and girls may behave d_____ on the same occasion.

3. It doesn't m_____ that you broke the window. Be careful next time.

4. You made several m _____ in spelling. Pay more attention to your spelling.

5. Careful planning is the s_____ of success.

左向右分流型先天性心脏病最多见并发症为()

A．心律失常

B．肺炎

C．脑栓塞

D．感染性心内膜炎

E．喉返神经麻痹

蛋白肽类激素的第二信使（）

A.GTP

B.ATP

C.UTP

D.CAMP

E.CTP

胸中之气指的是

A．元气
B．宗气
C．营气
D．卫气
E．脏腑之气