检验检疫合格的出境货物,申请人凭检验检疫机构签发的()办理通关手续。
A.出境货物换证凭单
B.出境货物换证凭条
C.出境货物通关单
D.检验检疫证书
参考答案:C
把下列各式因式分
(1)x3y-6x2y2+9xy3
(2)m2(x-y)+n2(y-x)
_________ is known to all,good friends _________ happiness and value to life.
A.It; add
B.As; add
C.It; add up
D.As; add to