１．What kind of effects does pollution have on human health?Why is the pollution of the environment one of the biggest problems we are facing today?2.What are the main cause of stress?Do you ever feel tense?How do you usually cope with stress?要求：三分鐘陳述．謝謝

熱心網友

可以報個口語班，平時多聽廣播，聽英文歌曲．很有幫助的．