自由和必然的关系是

A．自由是随心所欲和为所欲为

B．自由以必然为限度和根据

C．自由是对必然的认识

D．自由是对世界的改造

二战后，发达资本主义国家工人工作日有所缩短，这表明

A．劳动生产率明显提高

B．必要劳动时问大为缩短

C．相对剩余价值成为主要剥削形式

D．为掌握现代科学技术，工人需要更多的培训和学习时间

Which of the following statements is true according to the text?

A Doctors will be held guilty if they risk their patients'death.

B Modern medicine has assisted terminally ill patients in painless recovery.

C The Court ruled that high-dosage pain-relieving medication can be prescribed.

D A doctor's medication is no longer justified by his intentions.

Lewis’ research provides an answer to the question 。

A. why TV is important in family life

B. why parents should keep good order

C. why children in small families seem to be quieter

D. why middle children seem to have more difficulties in life

两种不同的商品可以按一定比例互相交换的原因，在于它们（）

A．有不同的使用价值

B．都是具体劳动的产物

C．对人们有共同的效用

D．在生产中都耗费了一般人类劳动

社会历史条件对历史人物产生所起的作用有（）

A．呼唤英雄

B．锻炼英雄

C．筛选英雄

D．创造英雄