皮皮学，免费搜题
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【单选题】
测量开关电源输入端 L、N 电源应为 AC220 V偏差允许( )±4%A.
4%
B.
±4%
C.
5%
D.
±5%
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】主要适用于临时性的、短期的监理业务,或者不宜按工程概(预)算的百分比等其他方法计算监理费的监理业务有 。
【单选题】The last place__________was the Science Museum. A.we visited B.where we visited C.which we visited D.we went
A.
we visited
B.
where we visited
C.
which we visited
D.
we went
【简答题】GPS卫星分布在 个轨道面上。
【单选题】Mr. Li is English teacher. We all like . The jacket is .
A.
us, he, him
B.
our, his, him
C.
our, him, his
【单选题】We visited him at his workplace ___ the young trees and ask him about his work.
A.
in
B.
among
C.
between
D.
at
【单选题】We visited our teacher,________ him a merry Christmas
A.
wishing
B.
hoping
C.
congratulating
D.
greeting
【单选题】We visited him ____ when he was in hospital.
A.
every other days
B.
each other day
C.
every other day
D.
every two day
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