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【单选题】
实验室内因用电不符合规定引起导线及电器着火，此时应迅速：
A.
首先切断电源，并用任意一种灭火器灭火
B.
切断电源后，用泡沫灭火器灭火
C.
实 验室内因用电不符合规定引起导线及电器着火，此时应迅速
D.
切断电源后，用水灭火 切断电源后， 用 CO2 灭火器灭火
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参考答案：
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【简答题】—We have decided to go for a picnic tomorrow, Dick.Are you going with us? —Well, _______ you are going, so will I. A．when B．since　 C．if D．while
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【单选题】Bill: What's the time? Blanche: 8 o' clock , so we ' d better get a move on if we ' re going to meet your sister at the airport. Bill: That' s alright. Her flight doesn't arrive until 8: 30. Blanche: ...
A.
I’ll just go and get changed.
B.
I’ll wash my hands.
C.
Please wait me a moment.
D.
I'll be back soon.
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【单选题】— A new 3D movie is on. Shall we go and see it this weekend? — _____! What's it? [     ]
A.
I must be going now
B.
You are right
C.
Why not
D.
My pleasure
查看完整题目与答案
【简答题】读一读，排一排。 (     ) I don't think so. We are going to play s. That dress is too long. (     ) I'm going to go to a party. What should I wear? (     ) My friend's birthday party. (     ) Yes, that wil...
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【判断题】原核微生物的主要特征是细胞内无核
A.
正确
B.
错误
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【单选题】听力原文：Who from Stanton Industries is goin to be at the meeting? (A) From 1 to 2:30 on Friday. (B) To discuss a joint venture. (C) Alan Smith and Susan Springer. (2)
A.
B.
C.
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【判断题】进行两均数差别的假设检验时,当 P≤0.05时,则拒绝H 0 ;当 P>0.05时,则接受H 0 ,认为两总体均数无差别。( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】进行两均数差别的假设检验时,当 P =0.05 时,则拒绝 H 0 ;当 P >0.05 时,则接受 H 0 ,认为两总体均数无差别。
A.
正确
B.
错误
查看完整题目与答案
【判断题】进行两均数差别的假设检验时,当 P≤0.05时,则拒绝H0;当P>0.05时,则接受H0,认为两总体均数无差别。
A.
正确
B.
错误
查看完整题目与答案
【简答题】It’s already 5 o’clock now. Don’t you think it’s about time ________? A) we are going home B) we go home C) we went home D) we can go home
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相关题目：
【简答题】—We have decided to go for a picnic tomorrow, Dick.Are you going with us? —Well, _______ you are going, so will I. A．when B．since　 C．if D．while
查看完整题目与答案
【单选题】Bill: What's the time? Blanche: 8 o' clock , so we ' d better get a move on if we ' re going to meet your sister at the airport. Bill: That' s alright. Her flight doesn't arrive until 8: 30. Blanche: ...
A.
I’ll just go and get changed.
B.
I’ll wash my hands.
C.
Please wait me a moment.
D.
I'll be back soon.
查看完整题目与答案
【单选题】— A new 3D movie is on. Shall we go and see it this weekend? — _____! What's it? [     ]
A.
I must be going now
B.
You are right
C.
Why not
D.
My pleasure
查看完整题目与答案
【简答题】读一读，排一排。 (     ) I don't think so. We are going to play s. That dress is too long. (     ) I'm going to go to a party. What should I wear? (     ) My friend's birthday party. (     ) Yes, that wil...
查看完整题目与答案
【判断题】原核微生物的主要特征是细胞内无核
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：Who from Stanton Industries is goin to be at the meeting? (A) From 1 to 2:30 on Friday. (B) To discuss a joint venture. (C) Alan Smith and Susan Springer. (2)
A.
B.
C.
查看完整题目与答案
【判断题】进行两均数差别的假设检验时,当 P≤0.05时,则拒绝H 0 ;当 P>0.05时,则接受H 0 ,认为两总体均数无差别。( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】进行两均数差别的假设检验时,当 P =0.05 时,则拒绝 H 0 ;当 P >0.05 时,则接受 H 0 ,认为两总体均数无差别。
A.
正确
B.
错误
查看完整题目与答案
【判断题】进行两均数差别的假设检验时,当 P≤0.05时,则拒绝H0;当P>0.05时,则接受H0,认为两总体均数无差别。
A.
正确
B.
错误
查看完整题目与答案
【简答题】It’s already 5 o’clock now. Don’t you think it’s about time ________? A) we are going home B) we go home C) we went home D) we can go home
查看完整题目与答案
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