隐睾症易于发生恶变。
参考答案:对
I try to avoid ________ on Saturdays because the stores are usually crowded and I can’t help ______ something I don’t really need.
A.to go shopping; buying
B.going shopping; to buy
C.going shopping; buying
D.to go shoping; to buy
以单位体表面积计算的心排出量称为()。
A.心脏指数
B.每搏量
C.心排出量
D.射血分数
E.体表面积