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【判断题】
当针入度指数PI＞2溶胶型沥青，当PI＜-2凝胶型沥青。(    )
A.
正确
B.
错误
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【判断题】移动某些非固定安装的电气设备时(如电风扇，照明灯)，必须切断电源。?
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正确
B.
错误
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【判断题】移动某些非固定安装的电气设备时(如电风扇，照明灯)，可以不必切断电源。 ()
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【简答题】The Polish take great pride in their culture.Our culture has many different customs and traditions.I will discuss three of these traditions and customs. The Polish will say “Dziekuje (thank you)” only...
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【判断题】移动某些非固定安装的电气设备时 ( 如电吹风 ) ,可以不必切断电源。
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B.
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【判断题】移动某些非固定安装的电气设备时（如电风扇，照明灯），必须切断电源。
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【单选题】When you are finishing a meeting, you should say ______.
A.
We are getting a little sidetracked here. Please get back to the subject.
B.
May I finish my speech, if you don't mind...
C.
Is there any other business we want to discuss?
D.
Yes, I feel the same way about this.
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【单选题】若用缆绳系双浮,系浮前缆绳的准备下列正确的是:1前、后回头缆;2前、后单头缆;3)前、后倒缆。
A.
①②③
B.
①②
C.
①③
D.
②③
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【判断题】移动某些非固定安装的电气设备时(如电风扇,照明灯),可以不必切断电
A.
正确
B.
错误
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【单选题】When you are finishing a meeting, you should say ______.
A.
We are getting a little sidetracked here. Please get back to the subject.
B.
Yes, I feel the same way about this.
C.
Is there any other business we want to discuss?
D.
May I finish my speech, if you don't mind...
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【简答题】Discuss with your group members and then reply with your views to the quesitons below: Why do many people choose to visit Xi'an? Which place are you most interested in when you are visiting Xi'an? Exp...
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【判断题】移动某些非固定安装的电气设备时(如电风扇，照明灯)，必须切断电源。?
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【判断题】移动某些非固定安装的电气设备时(如电风扇，照明灯)，可以不必切断电源。 ()
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【单选题】When you are finishing a meeting, you should say ______.
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【单选题】若用缆绳系双浮,系浮前缆绳的准备下列正确的是:1前、后回头缆;2前、后单头缆;3)前、后倒缆。
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【判断题】移动某些非固定安装的电气设备时(如电风扇,照明灯),可以不必切断电
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【单选题】When you are finishing a meeting, you should say ______.
A.
We are getting a little sidetracked here. Please get back to the subject.
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Is there any other business we want to discuss?
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May I finish my speech, if you don't mind...
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【简答题】Discuss with your group members and then reply with your views to the quesitons below: Why do many people choose to visit Xi'an? Which place are you most interested in when you are visiting Xi'an? Exp...
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