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【单选题】
施工现场，使用行灯的电源电压不大于（）V。A.
12
B.
24
C.
36
D.
48
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【简答题】A．It is harmful to heart surgery patients with stomach bleeding. B．It should not be taken by heart surgery patients before the operation. C．It will have considerable side effects if taken in large dos...
【单选题】——You missed a good chance . ——Yes , I that job when it was offered .
A.
should take
B.
should have taken
C.
must have taken
D.
would take
【简答题】Young people should be______(respect)of their elders.
【简答题】本门课程的全称是什么?
【单选题】Which of the following statements is NOT true, according to the passage?
A.
Teens should take more calcium till they grow up to 30.
B.
Less participation in sports presupposes less intake of calory.
C.
Women should take less and less vitamin D when growing old.
D.
Women should take more and more vitamin D when growing old.
【单选题】Strict measures ________to keep them away form. fire
A.
should be taken
B.
should take
C.
be taken
D.
should been taken
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