属于基因表达终产物的是
A.tRNA
B.mRNA
C.多肽链
D.蛋白质
参考答案:A,C,D
She is quite familiar the music that they are dancing .
A.to ; to
B.with ; to
C.with ; with
D.with ; 不填
SW2-35/1500-24.8型断路器,其中S表示多油断路器。()