小题1:Some advice/tips/ideas on supermarket shopping.
小题2:Because the stores are the busiest( so crowed)./Because you may get stuck then.
小题3:shop/go shopping.
小题4:a proper time and place
小题5:the things you want
小题1:根据第一段check out these tips for smart and healthy supermarket shopping可知
小题2:根据最后一段可知
小题3:根据Don’t shop when you’re hungry可知
小题4:根据第二段开头的You can go to a supermarket almost anytime you want-many are open 24 hours可知，此处讲的是时间和地点
小题5:根据前面的Knowing where to find the things you want in the store可知，指的是想要买的东西