诊断气胸最重要的检查方法是（）
A.X线胸片检查
B.肺功能检查
C.胸部CT
D.胸腔内测压
E.支气管镜
参考答案：A
I saw him in the library yesterday. He ________ a book at that moment.
A．reads
B．is reading
C．was reading
D．will read
洋金花内服的用量为
A．0.015～0.03g
B．0.03～0.06g
C．0.05～0.1g
D．0.06～0.6g
E．0.3～0.6g
