【简答题】Nestle and some bottled water companies are trying to reduce the environmental impact by shifting to
【简答题】To meet the environmental challenges, some energy companies are experimenting with solar plants using __________
【单选题】Some advertisements,like the environmental protection advertisement ______ to our conscience or our desire to be worthy citizens.
【单选题】复发性口疮的临床表现,以下哪一项是不正确的
【单选题】--- Some of the plastic bags can’t ______ after June1. --- Yes, people will use environmental bags instead.