（）可用来测量气门间隙，制动蹄片与制动鼓的间隙等。
A、塞尺
B、内径百分表
C、千分尺
D、钢直尺
参考答案：A
My grandmother doesn't _____. She is weak.[ ]
A. feel well
B. feeling good
C. feeling well
D. fells good
7. David was lying in bed, _____ , listening to an English pop song.
A．awoke
B．awake
C．waking
D．Wake
