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【单选题】
One of the problems the American injured workers faced in getting compensation in the eaA.
3：One of the problems the American injured workers faced in getting compensation in the early 19th century was that _____. A.they had to have courage to sue for damages in a court of law
B.
different states in the U. S. had totally different compensation programs
C.
America's average compensation benefit was much lower than the cost of living
D.
they had to produce evidence that their employers were responsible for the accident
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举一反三
【单选题】关于心肌细胞动作电位4期的描述正确的是
A.
心室肌细胞4期可以产生自动去极化
B.
窦房结细胞4期自动去极化速度最快
C.
浦肯野细胞动作电位4期与心室肌细胞的离子机制一样
D.
所有的心肌细胞4期都可以产生自动去极化
E.
窦房结细胞4期也称为静息期
【简答题】问题31 在成年以后，哪些成就能给你带来最大程度的满足？
【简答题】劳动定额根据表达方式分为时间定额和（）两种。
【简答题】劳动定额根据表达方式分为 和 两种。
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