肺炎喘嗽主要影响的脏器为（）
A.心
B.肺
C.脾
D.肝
E.肾
参考答案：B, C
发电机定子线棒层间最高与最低温度间的温差达（）或定子线棒引水管出水温差达8℃时应报警。
__, Mark Twain became worldwide famous at once.
A．The novel was brought out
B．The novel brought out
C．The novel was coming out
D．The novel came out
