一个长方形的长是5米,宽是4米,它的周长是□米。□内应是[ ]
A. 5×4
B. 5+4
C.(5+4)×2
答案:C
外感风寒、风热或风燥咳嗽的特点是
A.咳嗽时作
B.白天多于夜间
C.咳而急剧声重
D.因痒则咳
E.早晨咳嗽
The naughty boys would play ______trick on ______ neighbours who didn’t give them any sweets on Halloween.
A.a; 不填
B.a: the
C.the; 不填
D.不填; the