第11题: [单项选择]A. Promotion has made men visit their doctors more frequently. B. 20 percent more mental stress will bring to people who get promoted. C. Doctors suggest promotion is a good incentive to people. D. Promoted people drop their visit to a doctor. 参考答案:D 答案解析:[听力原文] British researchers found that when people get promoted, they suffer on average about
第31题: [单项选择]施工现场的搅拌机、固定式混凝土输送泵,电锯、大型空气压缩机等强噪声机械设备应搭设( )机械棚,并尽可能离居民区远一些设置,以减少噪声的污染。 A. 开放式 B. 封闭式 C. 半开放式 D. 半封闭式 参考答案:B 答案解析:施工现场的搅拌机、固定式混凝土输送泵、电锯、大型空气压缩机等强噪声机械设备应搭设封闭式机械棚,并尽可能离居民区远一些设置,以减少强噪声的污染。