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【单选题】
塑料排水管道不宜布置在热源附近，当不能避免时，并导致管道表面温度大于（）℃时，应采取隔离措施。A.
60
B.
70
C.
75
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【简答题】附加损耗是导体中通过交流电流时，由（ ）和（ ）的作用而产生的额外损耗。
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【单选题】The first person I came across who'd got the measure of e-mall was an American friend who was high up in a big corporation. Some years ago, when this method of communication first seeped into business...
A.
so that employees could contact academics more easily.
B.
to avoid missing out on any musing novelty.
C.
because it had been tried and tested in universities.
D.
to cope with the vast mount of correspondence they received.
【简答题】The British Medical Association suggested that. 28.Ties were first worn by the Croatian soldiers. 29.People wore different ties in Britain in the 19th century to show that. 30.British Prime Minister T...
【简答题】task 11. Read the passage about the changes to Japanese department stores and complete the paragraphs with the correct answer A–G. A so a merger serves as a convenient excuse to centralize B customers...
【简答题】At some schools online courses were first conducted for ______. B．all the students who choose the courses C．students who live on campus D．students who have no time in taking regular classes E．students...
【简答题】Many of us believe that aperson’s mind becomes less active as he grows older. But this is not true,according to Dr. Jarvik, professor of psychiatry at the University ofCalifornia. She has studied the ...
【单选题】Each year advertisers spend billions of dollars purchasing commercial time on network television.In the first 6 months of one year, advertisers spent $1.1 billion. Who were the largest spenders? In a ...
A.
389.965
B.
1864.521
C.
2080.829
D.
3763.035
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