A.11011 B.10011 C.11001 D.10001
A.=A2&“成績(jī)?yōu)?rdquo;&B2 B.A2&“成績(jī)?yōu)?rdquo;&B2 C.=A2&&B2 D.=A2&“成績(jī)?yōu)?rdquo;B2
A.重疊式和平鋪 B.層疊式和平鋪 C.層疊式和展開(kāi) D.重疊式和展開(kāi)