Ina2004________ofcollegestudents,

发布时间：2020-07-10 07:02:43

In a 2004 ________ of college students, it was found that 60 percent of students work during their spare time.













A.view












B.inspection











C.observation











D.survey

网友回答

D解析题意：“在一个2004年的调查中发现……”，survey调查。
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