遗传性椭圆形红细胞增多症患者，外周血椭圆形红细胞占（）
A.20%
B.10%
C.25%以上
D.5%
E.15%
参考答案：C
用所给词的适当形式填空。
1. I don't know how _______ ( do ) it.
2. Zhang Yong is one of the famous ________ (swim) in China.
3. It's hard to give up _ ______ (smoke) , but you have to.
4. I have ______ (be) to the Great Wall twice.
5. Shanghai is ______ (locate) in the east of China.
下列各项中，不属于小儿病理特点的是
A．脏腑娇嫩B．易虚易实C．易趋康复D．易寒易热E．传变迅速
