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【多选题】
在低压配电和控制电器装置中，预防电气线路过负荷的措施有（）。
A.
导线与导线、导线与电气设备的连接必须牢固可靠
B.
要定期检查和检测接头，防止接触电阻增大，对重要的连接接头要加强监视
C.
严禁滥用铜丝、铁丝代替熔断器的熔丝
D.
严禁随意增加用电设备，尤其是大功率用电设备
E.
不准乱拉电线和接入过多或功率过大的电气设备
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举一反三
【单选题】Which of the following adjectives does NOT describe Ray's hometown?
A.
Lifeless.
B.
Religious.
C.
Traditional.
D.
Quiet.
查看完整题目与答案
【单选题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为( )。
A.
自放电率
B.
记忆效应
C.
循环寿命
D.
高温特性
查看完整题目与答案
【单选题】The barman didn’t want to send the man away because__________．
A.
the man paid the bill every time he brought it to him
B.
the man was too tired to leave
C.
he was kind—hearted
D.
he lidded his job very much
查看完整题目与答案
【单选题】It can be inferred from the passage that Ray's father was all EXCEPT ______.
A.
considerate.
B.
punctual.
C.
thrifty.
D.
dominant.
查看完整题目与答案
【简答题】What can be inferred from the passage? [A] Ray Kroc's first step to develop McDonald's is in the center of Chicago. [B] Ray Kroc's milk shake machines are great help to the McDonald brothers. [C] The ...
查看完整题目与答案
【简答题】武术技击的拳腿组合包括哪些?
查看完整题目与答案
【单选题】What can be inferred from the passage?
A.
Ray Kroc's first step to develop McDonald's is in the center of Chicago.
B.
Ray Kroc's milk shake machines are great help to the McDonald brothers.
C.
The entry of Ray Kroc is a motive to the expansion of McDonald's.
D.
Ray Kroc's secret is his emphasis on barbecue items.
查看完整题目与答案
【简答题】Ray Travers sat back at the large desk, and looked around his plush（豪华的）office．He was tired． Ray's eyes stopped at a painting on the wall．It was a gift given by an old friend, Bull, as a farewell gift...
查看完整题目与答案
【判断题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为记忆效应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】若二维数组 a 有 m 列,则在 a[i][j] 之前的元素个数是( )。
A.
j * m + i
B.
j * m + i - 1
C.
i * m + j
D.
i * m + j – 1
查看完整题目与答案
相关题目：
【单选题】Which of the following adjectives does NOT describe Ray's hometown?
A.
Lifeless.
B.
Religious.
C.
Traditional.
D.
Quiet.
查看完整题目与答案
【单选题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为( )。
A.
自放电率
B.
记忆效应
C.
循环寿命
D.
高温特性
查看完整题目与答案
【单选题】The barman didn’t want to send the man away because__________．
A.
the man paid the bill every time he brought it to him
B.
the man was too tired to leave
C.
he was kind—hearted
D.
he lidded his job very much
查看完整题目与答案
【单选题】It can be inferred from the passage that Ray's father was all EXCEPT ______.
A.
considerate.
B.
punctual.
C.
thrifty.
D.
dominant.
查看完整题目与答案
【简答题】What can be inferred from the passage? [A] Ray Kroc's first step to develop McDonald's is in the center of Chicago. [B] Ray Kroc's milk shake machines are great help to the McDonald brothers. [C] The ...
查看完整题目与答案
【简答题】武术技击的拳腿组合包括哪些?
查看完整题目与答案
【单选题】What can be inferred from the passage?
A.
Ray Kroc's first step to develop McDonald's is in the center of Chicago.
B.
Ray Kroc's milk shake machines are great help to the McDonald brothers.
C.
The entry of Ray Kroc is a motive to the expansion of McDonald's.
D.
Ray Kroc's secret is his emphasis on barbecue items.
查看完整题目与答案
【简答题】Ray Travers sat back at the large desk, and looked around his plush（豪华的）office．He was tired． Ray's eyes stopped at a painting on the wall．It was a gift given by an old friend, Bull, as a farewell gift...
查看完整题目与答案
【判断题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为记忆效应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】若二维数组 a 有 m 列,则在 a[i][j] 之前的元素个数是( )。
A.
j * m + i
B.
j * m + i - 1
C.
i * m + j
D.
i * m + j – 1
查看完整题目与答案