如果我们食用了过期食品,可能会带来怎样的危害?为了避免这种情况的出现,我们要在购买商品时,注意查看什么? 答案:可能会出现恶心、腹泻等情况,严重的甚至会导致食物中毒或者死亡。在购买商品时应注意该商品是否是正规商品,是否在保质期的时间范围内。The course normally attracts 20
students per year, ________up to half will be from overseas.
A.
in which B. for
whom C. with which
D. of whom