P-K显影液是指显影剂()的组合。
A.米吐尔和菲尼酮
B.菲尼酮与几奴尼
C.米吐尔与几奴尼
参考答案:B
Little Jim should love _______ to the theatre this evening.
A.to be taken
B.to take
C.being taken
D.taking
简述钢瓶结构。