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【多选题】
带电灭火应注意的事项有（）
A.
使用12 1 1、二氧化碳、四氧化碳灭火剂
B.
用水枪时宜采用喷雾水枪
C.
人体与带电体之间保持必要的安全距离
D.
空中灭火时，人体位置与带电体之间的倾角不应超过60℃
E.
带电导线断落地面，应采取防止跨步电压伤人的措施
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【单选题】Which composition of a typical powdered laundry detergent is added as a corrosion inhibitor
A.
Sodium carbonate
B.
Sodium silicate
C.
Sodium sulphate
D.
不知道
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【简答题】当两个镜头都是运动镜头,并且运动方向一致时,应去掉上一镜头的 及下一镜头的 进行组接。
查看完整题目与答案
【单选题】Which kind of unemployment results from a change in the basic composition of the economy that also opens new positions for trained workers?______.
A.
Frictional unemployment
B.
Structural unemployment
C.
Cyclical unemployment
D.
None of the above
查看完整题目与答案
【单选题】Which vitamin isinvolved in the composition of the coenzyme of transaminase?
A.
Vit B 1
B.
Vit B 2
C.
Vit B 6
D.
Vit B 12
E.
Vit PP
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【多选题】下列不是运动镜头的是:
A.
长镜头
B.
平拍镜头
C.
移镜头
D.
拉镜头
E.
主观镜头
查看完整题目与答案
【单选题】下列哪一项不是运动镜头?
A.
推镜头
B.
摇镜头
C.
拉镜头
D.
镜头固定不动
查看完整题目与答案
【单选题】下列哪一项不是运动镜头?
A.
推镜头
B.
摇镜头
C.
拉镜头
D.
镜头固定不懂
查看完整题目与答案
【判断题】起幅指的是运动镜头的运动起的瞬间。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Following which one is composition of renal stone?
A.
Calcium carbonate
B.
Calcium sulphate
C.
Uric acid
D.
Magnesium oxalate
查看完整题目与答案
【单选题】Which of the following is true of the composition of the International Court of Justice?
A.
It is composed of 15 judges.
B.
Its judges are elected to fifteen-year terms of office.
C.
Its members represent their governments.
D.
Its judges are elected by the European Commission.
查看完整题目与答案
相关题目：
【单选题】Which composition of a typical powdered laundry detergent is added as a corrosion inhibitor
A.
Sodium carbonate
B.
Sodium silicate
C.
Sodium sulphate
D.
不知道
查看完整题目与答案
【简答题】当两个镜头都是运动镜头,并且运动方向一致时,应去掉上一镜头的 及下一镜头的 进行组接。
查看完整题目与答案
【单选题】Which kind of unemployment results from a change in the basic composition of the economy that also opens new positions for trained workers?______.
A.
Frictional unemployment
B.
Structural unemployment
C.
Cyclical unemployment
D.
None of the above
查看完整题目与答案
【单选题】Which vitamin isinvolved in the composition of the coenzyme of transaminase?
A.
Vit B 1
B.
Vit B 2
C.
Vit B 6
D.
Vit B 12
E.
Vit PP
查看完整题目与答案
【多选题】下列不是运动镜头的是:
A.
长镜头
B.
平拍镜头
C.
移镜头
D.
拉镜头
E.
主观镜头
查看完整题目与答案
【单选题】下列哪一项不是运动镜头?
A.
推镜头
B.
摇镜头
C.
拉镜头
D.
镜头固定不动
查看完整题目与答案
【单选题】下列哪一项不是运动镜头?
A.
推镜头
B.
摇镜头
C.
拉镜头
D.
镜头固定不懂
查看完整题目与答案
【判断题】起幅指的是运动镜头的运动起的瞬间。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Following which one is composition of renal stone?
A.
Calcium carbonate
B.
Calcium sulphate
C.
Uric acid
D.
Magnesium oxalate
查看完整题目与答案
【单选题】Which of the following is true of the composition of the International Court of Justice?
A.
It is composed of 15 judges.
B.
Its judges are elected to fifteen-year terms of office.
C.
Its members represent their governments.
D.
Its judges are elected by the European Commission.
查看完整题目与答案