不符合我国计划生育政策要求的是（ ）
A．晚婚
B．早育
C．少生
D．优生
答案：B
某公司进口一批生羊皮，请根据所提供的单据，完成相关的判断题。
报检时须提供发货人出具的品质证书。()
Not only Tom but also Jack ______ to that city several times.[ ]
A. have been
B. has been
C. have gone
D. has gone
