A:1 < m < 2
B:2 < m < 3
C:3 < m < 4
D:4 < m < 5
Mrs. Green didn't talk to her husband for a long time, but now they ____ each other.
给下面的字选择正确的读音。
老牛____nuí niú 不肯____kěn kěng
伸____sēn shěn长 园____yán yuán子
一个长方形草坪的长是2x米,宽比长少4米,
(1)如果将这块草坪的长和宽增加3米,那么面积会增加多少平方米?
(2)求出当x=2时面积增加的值.