<口>认真研究，调查，考查
1. The study also shows that people who have given up on smoking achieve better performance than other smokers who have the same ED problem.
2. A separate instruction on Wednesday required an extensive study of public complaints on file about police misconduct that have been ignored or covered up.
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3. A negotiating committee should be set up and a joint expertise group will begin to work on a feasibility study.
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4. Based on the study some scholars say the population distribution goal the government has set up for 2010 and 2020 is impractical.
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5. Since her study came out on Tuesday, people have been coming up to her with new reasons to have sex.
6. The summit set 2012 as a target date for wrapping up a joint feasibility study on the proposed Free Trade Area among the three countries.
7. Their study found the Chinese to be " very patient ", saying they would wait up to 90 seconds on average for the light to change.
8. But they are growing up with good care at this school, where 78 orphans study on the first floor and live on the upper one.
9. Liang said that she had given up driving to work since October just because she could study during the time on bus.
10. Li has to study harder at school to catch up on lessons she has missed.