飞机机翼做成流线型,可以产生升力,这是利用了气体流速越_________,压强越小的原理。
大
—How is your grandma?
—She’s fine. She used to TV at home after supper. But now she is used to______out for a walk.
A.watch;go
B.watching; go
C.watching; going
D.watch; going
归脾汤的组成中含()。酸枣仁汤的组成中含()。
A.酸枣仁、茯神
B.酸枣仁、知母
C.龙眼肉、柏子仁
D.酸枣仁、柏子仁
E.远志、丹参