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【判断题】
用用电容量100kV?A的高压供电用户，在电网高峰负荷时，其功率因数应为0.90以上。A.
正确
B.
错误
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举一反三
【单选题】Valentine's Day is in February. February is the ______ month of the year.
A.
one
B.
first
C.
second
【简答题】选择填空。 January May April December 1. February is the second month of a year. ________ is the first month and________ is the last month. April 30th November 1st October 26th 2. Nanc...
【单选题】According to the article, the life of Snow paralleled______.
A.
the development of China's revolution
B.
the construction of New china
C.
the course of World War Ⅱ
D.
all of the above
【单选题】Which of the following is NOT true according to the article?
A.
The financial situation is rather critical owing to the high gas prices.
B.
The economic situation is not bad enough to trigger a recession.
C.
Demand adjustments are the same in all the states of America.
D.
The U.S. need to reconsider its policy concerning environment and economic growth.
【多选题】焊接支管连接口的补强应符合( )规定。
A.
当支管道的公称直径大于或等于1/2 主管道公称直径时,应采用三通
B.
支管道的公称直径小于或等于50mn时,可不作补强计算
C.
补强的结构型式可采用增加主管道或支管道壁厚
D.
开孔削弱部分按等面积补强
【单选题】The article can be best titled as ______.
A.
Education in the Renaissance
B.
Humanism in the Renaissance
C.
Debate on Education
D.
The New Education
【多选题】焊接支管连接口的补强应符合( ) 规定。
A.
当支管道的公称直径大于或等于1/2主管道公称直径时,应采用三通
B.
支管道的公称直径小于或等于50m时,可不作补强计算
C.
补强的结构型式可采用增加主管道或支管道壁厚
D.
开孔削弱部分按双倍面积补强
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