We should _____ to take time to do other things.[ ]
A. allow
B. allowed
C. be allowed
答案:C
、先化简,再求值(8分):
[(2x+y)2+(x+y)(x-y)]÷x,其中x=-2,y=1
治疗因感受寒邪而致的呕吐、腹痛、腹泻,常选用()。
A.隔姜灸
B.隔蒜灸
C.隔盐灸
D.隔附子饼灸
E.瘢痕灸