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读下图我国四大地理区域示意图,完成下面小题。
已知四边形ABCD的对角线AC、BD相交于点O,给出下列5个条件:①AB∥CD;②OA=OC;③AB=CD;④∠BAD=∠DCB;⑤AD∥BC,从以上5个条件中任选2个条件为一组,能判定四边形ABCD是平行四边形的有( )组.
British people eat ________ a lot, and they are cooked in different ways.