社会主义制度初步显示的优越性对当代资本主义产生了重要影响。（）
查看答案
当代资本主义发生的变化,意味着资本主义生产关系的根本性质发生了变化。（）
A. 对
B. 错
Without the air to hold some of the sun’s heat, the earth at night _____, too cold for us to live.
A. would be freezing cold
B. will be freezing coldly
C. would be frozen cold
D. can freeze coldly
It is necessary that our drinking water _____ cleaner.
A. should be made
B. is made
C. would be made
D. was made
It is high time that our child _____ to do some housework.
A. learned
B. learn
C. will learn
D. would learn
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