一______ do you like the film?
一Very interesting. [ ]
A. How
B. Who
C. What
D. When
答案:A
肺循环是血液从______压入肺动脉,流经肺部的______,再由______流回到______.
黄曲霉毒素对下列何种器官毒性最大()
A.肺脏
B.心脏
C.大脑
D.肝脏S
E.肾脏