I am very tired today. I _____ go to bed early.[ ]
A. should
B. shouldn't
C. can
D. can't
答案:A
下列哪些商品的广告应遵循特殊准则()
A.人用药品
B.酒类
C.纺织品
D.食品
世界卫生组织推荐母乳喂养儿开始添加辅食的月龄
A.1个月B.4个月C.6个月D.12个月E.24个月