用钢卷尺测定油罐中油的高度读数时视线应和液面()。
A、俯视
B、仰视
C、平视
D、斜视
参考答案:C
He ______ to get out of trouble, but no one would help him.
A.succeeded
B.attempted
C.managed
D.offered
加味逍遥散是在逍遥散的基础上加
A.阿胶
B.丹皮
C.山栀
D.熟地