A:being fined
B:having been fined
C:to be fined
D:to have been fined
把a-1a的根号外的因式移入根号内得( )
已知,如图,△ABC≌△DEF,AC∥DF,BC∥EF,则不正确的等式是( )
比一比,再组词。
梯____ 载____ 厨____
递____ 截____ 橱____