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【简答题】
电磁干扰的三要素是（）、（）、（）。
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反馈参考答案：
举一反三
【简答题】Five cloned pigs，whose organs are much less likely to be rejected(排斥) by a patient，have been born in the U．S. More than 62,000 people in the U．S. alone are waiting to ____ donated hearts，lungs and so ...
【简答题】The Chinese government has officially the global gambling () industry, which makes it likely that Chinese citizens will be gambling much less in China, its neighboring countries, and the US.?declare...
【单选题】(76881) 段修落成后,车钩中心线距轨面高为(),两车钩高度差不大于 10mm 。 (1.0 分 )
A.
、 836 ± 10mm
B.
、 860 ± 10mm
C.
、 880 ± 10mm
D.
、 900 ± 10mm
【简答题】The Chinese government has officially _______ the global gambling industry, which makes it likely that Chinese citizens will be gambling much less in China, its neighboring countries, and the US.(decl...
【多选题】下列情况中属于特别重大事故的是______。
A.
造成20人以上死亡
B.
造成30人以上死亡
C.
造成100人以上重伤
D.
造成直接经济损失1亿元以上
E.
造成直接经济损失2亿元以上
【判断题】Valuable technologically advanced goods are less likely to be traded internationally because shipping costs absorb too much of the potential profit.
A.
正确
B.
错误
【单选题】Social change is less likely to occur in a society where people are quite similar in many ways because ______.
A.
people there have got so accustomed to their conditions that they seldom think it necessary to change
B.
people there have identical needs that can be satisfied without much difficulty
C.
people there are easy to please
D.
people there are less disputatious
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