The ______ of new inventions(发明) should be to make life easier, not to make it harder.
A.rules | B.subjects | C.secrets | D.purposes |
更新时间:2016-06-29 17:55:44
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【推荐1】— What is the____of the 2010 World Expo(世博会)?
— It is “Better City, Better Life”.
— It is “Better City, Better Life”.
A.song | B.theme | C.custom |
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【推荐2】Over ten years' work in education field, Simon has got a lot of _____ in teaching.
A.information | B.experience | C.discussion | D.importance |
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