一个长方形的长和宽各增加10%,它的面积将增加[ ]
A.100%
B.20%
C.21%
答案:C
-Bob, have you packed yet?
-Yes, Mum.
-Look over and that you have taken everything you need.
A.look for
B.make sure
C.find out
D.work out
进行战争动员决策的关键是()。
A、正确分析判断敌情
B、认真组织宣传民众
C、积极调集作战军队