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【单选题】
下面那个不属于环境质量标准（ ）。A.
环境空气质量标准
B.
地表水环境质量标准
C.
地下水环境质量标准
D.
城镇污水处理厂污染物排放标准
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举一反三
【单选题】Which reason for using computerized books is NOT said in the passage?
A.
Computerized books won't be very expensive.
B.
Texts can be read on small computers.
C.
We won't turn so many pages.
【简答题】URL：意为统一资源定位器，是为了能够使客户端程序查询不同的信息资源时有统一的______而定义的一种地址标识方法。
【单选题】某连锁超市10个分店某月的销售额(单位：万元)分别为30、15、40、40、40、50、45、45、60、65，上述销售额数据的全距是( )。
A.
40
B.
42.5
C.
45
D.
50
【单选题】What does the author say about dealing with other people's children?
A.
It's important not to hurt them in any way.
B.
It's no use trying to stop their wrongdoing.
C.
It's advisable to treat them as one's own kids.
D.
It's possible for one to get into lots of trouble.
【单选题】It's very important to eat food that's healthy, _____ you don't like it. [ ]
A.
as if
B.
instead
C.
even though
D.
if
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