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【简答题】
在Y/△接线的变压器选用2次谐波制动原理的差动保护,当空载投入时,由于一次采用了相电流差进行转角,某一相的2次谐波可能很小,为防止误动目前一般采取的是什么措施?该措施有什么缺点?
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举一反三
【单选题】—Are you Mr. Li? —______． [     ]
A.
Yes, I am
B.
No, you're not
C.
Yes, you are
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at midnight.
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【判断题】用卫星遥感影像生产DEM的过程有准备资料和影像融合。
A.
正确
B.
错误
查看完整题目与答案
【单选题】ཡོད་ 是表示 的动词
A.
存在
B.
是非
C.
方位
D.
时间
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at mid-night.
查看完整题目与答案
【多选题】超级链接是网页中最重要的组成元素,关于创建链接叙述正确的是( )。
A.
可以给空格创建超级链接
B.
选中文本或图像，选择右键菜单中的“创建链接”命令
C.
一幅图片可以创建多个超级链接
D.
选中文本，在其属性栏就会出现链接框，输入文件地址即可创建
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at midnight.
查看完整题目与答案
【单选题】—Congratulations! Li Ming, you’re the winner in the running race.  Are you happy? —Yes, but very tired ______. [     ]
A.
as well
B.
too
C.
either
D.
as well as
查看完整题目与答案
【判断题】ཡོད་ 是表示存在的动词。
A.
正确
B.
错误
查看完整题目与答案
【单选题】You're _____________ young _____________ go, Li Ming. [     ]
A.
too; too
B.
too; to
C.
to; too
查看完整题目与答案
相关题目：
【单选题】—Are you Mr. Li? —______． [     ]
A.
Yes, I am
B.
No, you're not
C.
Yes, you are
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at midnight.
查看完整题目与答案
【判断题】用卫星遥感影像生产DEM的过程有准备资料和影像融合。
A.
正确
B.
错误
查看完整题目与答案
【单选题】ཡོད་ 是表示 的动词
A.
存在
B.
是非
C.
方位
D.
时间
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at mid-night.
查看完整题目与答案
【多选题】超级链接是网页中最重要的组成元素,关于创建链接叙述正确的是( )。
A.
可以给空格创建超级链接
B.
选中文本或图像，选择右键菜单中的“创建链接”命令
C.
一幅图片可以创建多个超级链接
D.
选中文本，在其属性栏就会出现链接框，输入文件地址即可创建
查看完整题目与答案
【单选题】听力原文：M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten...
A.
At ten.
B.
At ten-thirty.
C.
Nearly at midnight.
查看完整题目与答案
【单选题】—Congratulations! Li Ming, you’re the winner in the running race.  Are you happy? —Yes, but very tired ______. [     ]
A.
as well
B.
too
C.
either
D.
as well as
查看完整题目与答案
【判断题】ཡོད་ 是表示存在的动词。
A.
正确
B.
错误
查看完整题目与答案
【单选题】You're _____________ young _____________ go, Li Ming. [     ]
A.
too; too
B.
too; to
C.
to; too
查看完整题目与答案