出口食品卫生注册证书的有效期为( )年。A.3 B.4 C.5 D.6 发布时间:2018-01-09 14:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 出口食品卫生注册证书的有效期为( )年。A.3B.4C.5D.6
题型:单项选择题 We couldn't see_____ because the light in the room was poor.A. enough clear B. enough clearly C. clearly enough 查看答案