【单选题】听力原文:Hello, and thank you all for coming. We're proud to announce that beginning in September, Beatrice Trevett will return to direct the San Marcos University's School of Journalism. Ms.Trevett was a...
【简答题】We all know that smoking is bad for people’s health. But not many people know about the er of secondhand smoke. Secondhand smoke is the smoke that comes from the smoker’s breath(呼吸). If people bre...