关于x 的方程2x-4 =3m 与方程x+3=m 的解的绝对值相等,则m = ;
-10或
比较乙烷和乙醇的结构,下列说法错误的是( )
A.两个碳原子以单键相连
B.分子里都含6个相同的氢原子
C.乙基与一个氢原子相连就是乙烷分子
D.乙基与一个羟基相连就是乙醇分子
The citizens didn't feel safe at all after several families had their house ______ sat night and a lot of things stolen.
A.broken in B.broken intoC.to be broken into D.break in