胞质中CK的同工酶为亚型不包括()
A.CK-MM
B.CK-MB
C.CK-BB
D.CK-Mt
E.巨CK1
参考答案:D
在草原上,狼和羊之间的关系是( )
A.合作
B.竞争
C.食物网
D.捕食
Tom, _____ Jack, _____ to school by bus every morning.[ ]
A. likes, go
B. likes, goes
C. like, goes
D. like, go