发电机端盖分()两部分,内端盖起()作用,外端盖是()的通道。
参考答案:内外;保护线圈;冷却风进入发电机
.Tom is an honest man;I say it,_________ I have been against him.
A.even though
B.as long as
C.as if
D.and yet
※ [18~20] .( 3 )
A. .
B. .
C. .
D.