题目内容

可致心脏骤停的是（）E．

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Who showed Lang Lang how to control the keys？

A. His mother.
B. His father.
C. His uncle.
D. His kindergarten teacher.

A．themselvesB．othersC．mankindD．a few

A. themselves
B. others
C. mankind
D. a few

假定资本家投入100万元的资本，其中不变资本80万元，可变资本20万元，雇佣劳动者生产出来的商品价值为120万元，那么剩余价值率为

A. 0.5
B. 1
C. 1.5
D. 2

急性肾衰竭少尿期的表现是（）E．