把3个边长是5厘米的正方形拼成一个长方形,这个长方形的周长是______.
(3×5+5)×2,
=20×2,
=40(厘米);
答:这个长方形的周长是40厘米.
故答案为:40厘米.
There are ______ months in the year. December is the ______ one. [ ]
A. twelve; twelve
B. twelfth; twelve
C. twelve; twelfth
D. twelfth; twelfth
积滞内停,心下痞满,不欲饮食,倦怠乏力,大便不调者,治宜选用:
A.健脾丸
B.保和丸
C.小承气汤
D.越鞠丸
E.平胃散