第30题: [单项选择]MTBE装置环保污水排放指标中COD要求控制在()。 A. ≤500mg/100ml B. ≤800mg/100ml C. ≤1000mg/100ml D. ≤1500mg/100ml 参考答案:C
第31题: [单项选择]It is a contradiction that in such a rich country there should be so many poor people.
A. pageant B. patronage C. paradox D. pendulum 参考答案:C 答案解析:[解析] 本题中,contradiction意思是“矛盾”。四个选项中,paradox意思是“似非而是的观点,自相矛盾的话”,如:the paradox that standing is more t