青年人网今日习题:
1.it seems that we can catch the april().
a.shipment
b.air
c.animal
d.protein
2.james was( )for three weeks when he had scarlet fever.
a quarantine
b.quarantined
c.quarantining
d.hygiene
3.民用商品入境验证是指国家对实行( )的民用商品,在通关入境时由出入境检验检疫机构核查其是否取得必需的证明文件。
a.备案登记制度
b.强制性产品认证
c.入境检疫审批
d.进口质量许可制度
正确答案:
1.d
2.a
3.acdef
责任编辑:xiaohan