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【判断题】
监测室内空气污染的主要有机物是挥发性有机物和甲醛( )。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】两个亲本杂交后,双亲杂交种 F1 再与亲本之一再连续杂交的方式叫( )。
【判断题】Except for remarks that will be recorded by the press or used in legal proceedings, a good rule of thumb is: “Don’t read your presentation.”
A.
正确
B.
错误
【判断题】A good rule of thumb about the discarding of respondents is that such decisions should be made before conducting any ysis.
A.
正确
B.
错误
【判断题】The front desk is divided into several equally equipped workstations. The number of workstations depends on the size of the hotel. A good rule of thumb is 1 workstation per 500 guest rooms.
A.
正确
B.
错误
【单选题】A front desk is divided into several equally equipped workstations. According to the article, the number of workstations depends on the size of the hotel. However, a good rule of thumb is 1 workstat...
A.
10
B.
50
C.
100
D.
250
E.
500
【简答题】How to Make Attractive and Effective PowerPoint Presentation s A) Microsoft PowerPoint has dramatically changed the way in which academic and business presentations are made. This article outline s fe...
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