单项选择题
Sine the 1960s,（）has become the mainstay of the Irish economy.
A.manufacturing B.mining C.energy D.animal husbandry
单项选择题 In Ireland the agricultural enterprise producing the most income is（）.
单项选择题 The economy of Ireland has been traditionally agricultural,but since （）country.sindustrial base has expanded.
单项选择题 （）is the largest of the minor parties in Ireland after the 1987 election.
