根据求同原则，以下哪些选项从涉及的方面来看是一致的？
A. Watch educational TV programs only.
B. Write two book reports a week.
C. Help with housework.（家务）
D. Keep a diary. （教育）
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根据相关与相反原则，答案最有可能在哪些选项中？
A. It is used by more people than English.
B. It is more difficult to learn than English.
C. It will be as commonly used as English.
D. It will eventually become a world language.
根据相关与相反原则，答案最有可能在哪些选项中？
A. She is on duty.
B. She is having her day off.
C. She is on sick leave.
D. She is on abroad on business.
进行产品规划时,设计的新产品越多越好。
A. 对
B. 错
产品性能的完善只需要考虑注意用户的兴趣质量。
A. 对
B. 错
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