市场经济要求( )通过法律法规，规范各类市场评估的行为，保障契约的执行，维护各类主体的正当权益。
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Mrs. Satow would probably agree that ______.
A. Jed's friends can prevent her son's death
B. her son's suicide is unavoidable
C. Ulifeline is a worthwhile website
D. depression is the final cause of suicides
毛泽东提出以苏联经验为鉴戒，走自己的路重要思想的著作是( )。
A. 《新民主主义论》
B. 《论人民民主专政》
C. 《论十大关系》
D. 《为建设一个伟大的社会主义国家而奋斗》
One reason that many colleges adopt the website is to ______.
A. provide their students with campus information
B. offer medical treatment to students in mental disorder
C. encourage their students to seek advice about depression
D. give their students various help they may need
( )是市场机制的核心。
A. 竞争机制
B. 供求机制
C. 价格机制
D. 人才机制
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