―He hardly has any friends to play with , _____ he? ―_______! That’s why he feels lonely from time to time. A. hasn’t, No B. doesn’t, Yes C. does, Yes D. does, No 答案:D控制噪声可以从三个方面入手,下面关于控制噪声的措施的说法,正确的是( )A.摩托车的消声器是防止噪声进入耳朵B.城市道路旁的隔声板是防止噪声产生C.道路旁植树是阻断噪声的传播D.工厂用的防声耳罩是防止噪声的产生