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【单选题】
我国为了加强对大气进行环境监测,每天发布空气质量日报,其主要评价标志是( )A.
空气污染指数
B.
空气中的二氧化碳含量
C.
空气的含氧量
D.
空气的能见度
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反馈参考答案：
举一反三
【简答题】自我推销不是吹牛说大话，要有真诚、（ ）的态度。
【单选题】I work ________ and sleep _______. [ ]
A.
in the day; at night
B.
at the day; in night
C.
in day; at night
D.
in the day; in the night
【单选题】I felt so bad all day yesterday that I decided this morning I could not face______day like that.
A.
other
B.
another
C.
the other
D.
others
【简答题】One Monday morning, I was standing waiting for the train and suddenly felt ill. I couldn’t stand still, and the world began to sway（摇摆）and then went black. All I heard was “Oh, my God, she’s falling. ...
【单选题】Why did the woman suggest not giving everyone an extra day off so quickly?
A.
There will still be much work.
B.
They don't deserve it.
C.
A new project could appear.
D.
The financial analysis project can't wait.
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