从运动生理角度来说，（）对于坚持正常工作的人是最大限度时间。
A.5min
B.15min
C.30min
D.60min
参考答案：D
— I think English is ________than Japanese.
— I agree with you.
A. much easier B. more easier C. much more easier
抗凝血酶Ⅲ（AT-Ⅲ）活性增高见于（）。
A.妊娠期妇女
B.新生儿
C.血友病
D.慢性肝炎
E.肝硬化
