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ayoutoo wr sense tne great potentlal of this country.【答案】36.who37.of38.that39.undoubtedly40.political41.development42.sharing43.are44.is located 45.astonishing

2.A={xx≤2}={x|-2≤x≤2，B={xx2-4x+3≤0}={x1≤x≤3}，所以A∩B=[1,2],故选C.