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【单选题】
在相同的电源线电压作用下,同一个对称三相负载作三角形联结的有功功率为星形联结的有功功率的A.
1/3倍
B.
1/√3 倍
C.
3倍
D.
9倍
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【单选题】More than one-third of the Chinese in the United States live in California, _____ in San Francisco.
A.
previously
B.
predominantly C practically D. permanently
【单选题】Which of the following is Not True of Sir Michael's recommendation？
A.
Environment agency should monitor groundwater levels more regularly in areas at risk of rising surface water.
B.
Government should develop a national flood emergency network.
C.
Building in flood-risk areas should be stopped.
D.
Environment Agency should be urged to educate the public on the benefits of insurance.
【单选题】无菌持物钳的正确使用方法是
A.
到远处夹取物品应持无菌持物钳速去速回
B.
手术室及门诊换药室使用均应每日消毒一次
C.
钳端向上，不可跨越无菌区域
D.
取无菌持物钳时钳端无须闭合
E.
可以夹取任何无菌物品
【单选题】无菌持物钳的正确使用方法是
A.
可以夹取任何无菌物品
B.
病区及门诊换药室使用均应每周消毒一次
C.
到远处夹取物品应速去速回
D.
取放无菌持物钳时钳端均需闭合
E.
钳端向上,不可跨越无菌区域
【简答题】A．It suits those best who have no fixed time to study. B．It can provide more chances of education. C．It can take the place of the traditional education. D．The studies of online education is more inter...
【单选题】In Michael’s opinion _______.
A.
those people who like to complain will often affect our mood
B.
we should do some morning exercises to cheer us up
C.
how we live our life is decided by our attitude to life
D.
optimists have more chances of success than pessimists
【单选题】Who can provide legal service to the clients and help to protect their rights?
A.
Doctors
B.
Actors
C.
Lawyers
D.
Nurses
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