1初中组初选解题课A:These days, it is easy to become distracted(注意力不集中的) from your studies by things like smartphones and the internet. Have you ever had trouble focusing on your studies because of these? How would you solve this problem?购买
2初中组初选解题课B:Global warming (全球变暖)is a huge problem, but many people feel helpless to stop it. Have you seen the effects(影响) of global warming personally? What kinds of things can you do personally to stop global warming?购买