国家实施“联结南北，启动东西”的战略格局，目的是为了实现 [ ]
A、对外开放
B、共同富裕
C、依法治国
D、同步富裕
答案：B
Mary couldn’t go to the cinema with us because she had to _____ her little brother.
A．look for
B．look after
C．look at
D．look into
腹膜后器官包括：Ⅰ-胰腺Ⅱ-肝Ⅲ-小肠（）
A.Ⅰ
B.Ⅰ，Ⅱ
C.Ⅰ，Ⅱ，Ⅲ
D.Ⅰ，Ⅲ
E.Ⅱ
