安装Y型密封圈时,唇边应面对有()的油腔。
参考答案:压力
舌红苔剥,多主()
A.血虚
B.阴虚
C.气虚
D.阳虚
E.胃气阴两虚
—How is your sister now? —_____.[ ]
A. She is thirty
B. She is a nurse
C. she's much better
D. She's Yang Jie