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问题 单项选择题

对老年期心理的变化，研究者们持有不同的观点，主要有两种对立的观点（）.

A.衰退说和稳定说

B.丧失观与毕生发展观

C.连续性与阶段性

D.环境决定论与遗传决定论

答案

参考答案：B

改错题

The water we drink and use was running short. We all have to learn what to stop wasting water.

One of the step that we should take is to find ways of reusing it. Today in the most large cities, fresh water is used only once and then it runs in waste system. But that is possible to pipe the used water to a purifying factory, there the used water can be treated with chemical materials by the workers so that it can reused. But even if every large city purified and reused it's water, we still would have enough water.   
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单项选择题

国家机关违反《统计法》的规定，擅自制发统计调查表的，由县级以上人民政府统计机构责令改正，予以( )。

A．通报批评

B．警告

C．罚款

D．废止
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