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1、Section A,Welcome to the unit & Reading,Vocabulary,1. combination in combination with. . . 与联合/结合起来combine vi.& vt. 结合，联合，混合，组合。常见搭配：combine A and/with B使A与B相结合combine (sth. ) with sth. (使)与结合起来combine A and/with B兼有/兼做A和B练习：He found that potatoes grew better than the other vegetables in the
2、 _ (combine) of sea water and fresh water.,combination,2. greedilygreed n.贪婪，贪心greedy adj.贪婪的，贪心的，渴望的。常见搭配：Its greedy of sb.to do sth. 某人做某事是贪婪的。be greedy to do sth. 渴望做某事be greedy for (power/knowledge/fame) 渴望得到（权力/知识/名声） 练习：The children are greedy _ the opportunity to prove their creative ability.
3、,for,3. associationin association with. . . 与联合associate vt.联系，联想；交往，（尤指）混在一起associate. . .with. . . 把和联系在一起associate with sb. 与某人交往；与某人混在一起be associated with. . . 与相关练习：Usually, the artworks are made of red paper, as red is _ (associate) with happiness in Chinese culture, but other colors are also used.,associated,