“橘生淮南则为橘，橘生淮北则为枳。”其主要原因是[ ]
A．气候差异
B．地形差异
C．海陆差异
D．技术差异
答案：A
Mr. Hand really____ his students and regards them as his children.
A．gives up
B．laughs at
C．cares about
D．agrees with
援外物资经查验合格后，检验检疫机构出具检验检疫证书。 ( )
