— Her name's Mary.
A:What's
B:What
C:How's
“黄河之水天上来,奔流到海不复回”,这里的“海”是指( )
设集合M=x|x=3m+1,m∈Z,N=y|y=3n+2,n∈Z,若x0∈M,y0∈M,则x0y0与集合M,N的关系是 ( )
用下列词语造句
①废墟
②倒塌