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【单选题】
下列()不是继电保护的任务。
A.
系统发生故障时可靠动作，使断路器跳闸，切除故障点
B.
系统发生异常时发出信号
C.
提高供电设备的利用率
D.
系统正常时检测电器装置运行状态
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参考答案：
举一反三
【单选题】听力原文：M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have two more finals to take? W: Really? M: Yeah, So what you are doing this summer, anything special? W: ...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer,
查看完整题目与答案
【单选题】( )是针对某一工件或某一固定工序而专门设计的。操作方便、迅速,生产率高。但在产品变更后就无法利用,因此,适合大批量生产。
A.
通用夹具
B.
专用夹具
C.
可调夹具
D.
组合夹具
查看完整题目与答案
【单选题】听力原文： M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have 2 more finals to take. W: Really? M: Yeah, [19] So what are you doing this summer, anything special?...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer.
查看完整题目与答案
【单选题】听力原文：M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have two more finals to take? W: Really? M: Yeah, So what are you going to do this summer, anything specia...
A.
The final exams.
B.
Their summer vacations.
C.
History term paper.
D.
The relationship between war and politics.
查看完整题目与答案
【单选题】听力原文：W: Hi, Jackson, you're so lucky to have finished your final exam and term papers. I still have 2 more finals to take. What are you doing this summer, anything special? M: Well, actually yeah. My ...
A.
Places the man has visited.
B.
A paper the woman wrote.
C.
School activities they enjoy.
D.
Plans for the summer.
查看完整题目与答案
【多选题】内部报表是为特定需求设计的，其内容具有较强的是
A.
针对性
B.
多样性
C.
灵活性
D.
广泛性错
查看完整题目与答案
【单选题】敌百虫口服中毒时不能用何种溶液洗胃
A.
高锰酸钾
B.
碳酸氢钠
C.
醋酸
D.
生理盐水
E.
饮用水
查看完整题目与答案
【单选题】关于考试问题是()。
A.
联合词组
B.
兼语词组
C.
介宾词组
D.
连动词组
查看完整题目与答案
【单选题】听力原文：M: Hi, Susan, you are so lucky to be done with your final exams and term papers. I still have two more finals to take. W: Really? M: Yeah, so what are you doing this summer, anything special? W: ...
A.
Final examination.
B.
Family education.
C.
Summer plan.
D.
Historic places.
查看完整题目与答案
【单选题】听力原文：M: Hi, Janet. You are so lucky to be done with your final exams and term papers. I still have two more finals to take. W: Really? M: Yeah. W: So what are you doing this summer, anything special? ...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer.
查看完整题目与答案
相关题目：
【单选题】听力原文：M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have two more finals to take? W: Really? M: Yeah, So what you are doing this summer, anything special? W: ...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer,
查看完整题目与答案
【单选题】( )是针对某一工件或某一固定工序而专门设计的。操作方便、迅速,生产率高。但在产品变更后就无法利用,因此,适合大批量生产。
A.
通用夹具
B.
专用夹具
C.
可调夹具
D.
组合夹具
查看完整题目与答案
【单选题】听力原文： M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have 2 more finals to take. W: Really? M: Yeah, [19] So what are you doing this summer, anything special?...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer.
查看完整题目与答案
【单选题】听力原文：M: Hi, Janet, you are so lucky to be done with your final exams and term papers. I still have two more finals to take? W: Really? M: Yeah, So what are you going to do this summer, anything specia...
A.
The final exams.
B.
Their summer vacations.
C.
History term paper.
D.
The relationship between war and politics.
查看完整题目与答案
【单选题】听力原文：W: Hi, Jackson, you're so lucky to have finished your final exam and term papers. I still have 2 more finals to take. What are you doing this summer, anything special? M: Well, actually yeah. My ...
A.
Places the man has visited.
B.
A paper the woman wrote.
C.
School activities they enjoy.
D.
Plans for the summer.
查看完整题目与答案
【多选题】内部报表是为特定需求设计的，其内容具有较强的是
A.
针对性
B.
多样性
C.
灵活性
D.
广泛性错
查看完整题目与答案
【单选题】敌百虫口服中毒时不能用何种溶液洗胃
A.
高锰酸钾
B.
碳酸氢钠
C.
醋酸
D.
生理盐水
E.
饮用水
查看完整题目与答案
【单选题】关于考试问题是()。
A.
联合词组
B.
兼语词组
C.
介宾词组
D.
连动词组
查看完整题目与答案
【单选题】听力原文：M: Hi, Susan, you are so lucky to be done with your final exams and term papers. I still have two more finals to take. W: Really? M: Yeah, so what are you doing this summer, anything special? W: ...
A.
Final examination.
B.
Family education.
C.
Summer plan.
D.
Historic places.
查看完整题目与答案
【单选题】听力原文：M: Hi, Janet. You are so lucky to be done with your final exams and term papers. I still have two more finals to take. W: Really? M: Yeah. W: So what are you doing this summer, anything special? ...
A.
Places the man has visited.
B.
A paper the woman is writing for a class.
C.
School activities they enjoy.
D.
The woman's plans for the summer.
查看完整题目与答案
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