题目

请选出下列各组单词中下划线部分的发音与其他单词不相同的一个单词,并在答题卡上将该项涂黑。【1】A.establish B.investigate C.species D.shelter【2】A.measure B.reality C.sweat D.breath【3】A.retire B.firework C.virtue D.desire【4】A.diverse B.definitely C.climate D.spicy【5】A.proposal B.economic C.committee D.profit【6】A.lunar B.union C.stupid D.abuse【7】A.confusion B.decision C.occasion D.question【8】A.grateful B.sacred C.gratitude D.graceful【9】A.commercial B.determined C.herbal D.material【10】A.threaten B.throughout C.thoroug已知函数f(x)=x2﹣2x的定义域为{0,1,2,3},那么其值域为 [     ]A.{﹣1,0,3}B.{0,1,2,3}C.[﹣1,3]D.[0,3]
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