问题
单项选择题
国务院环境保护行政主管部门根据国家环境质量标准和国家经济、技术条件，制定国家（）。
A.大气质量
B.水环境质量标准
C.污染物处理标准
D.污染物排放标准
答案
参考答案：D
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国务院环境保护行政主管部门根据国家环境质量标准和国家经济、技术条件，制定国家（）。
A.大气质量
B.水环境质量标准
C.污染物处理标准
D.污染物排放标准
参考答案：D
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| John's family 1 On vacation next month. They 2 go to the beach. John is going on Monday and 3 On Thursday. He 4 there for less than a week. John's father 5 from Monday to Thursday. 6 he can't go with John. He is going on vacation on Friday and getting back on Sunday. John's mother 7 a housewife. She 8 a lot of time. She is going on vacation on Monday. She's staying 9 and coming back on Sunday. They 10 a good time at the beach. | ||||
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