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______ of the students who took part in the military training is 450.
A.A numberB.A great deal of
C.Lots ofD.The number
答案:D
试题分析:句意;参加军训的学生人数是450。 先排除B C  the number of + 名词复数,表示…的数目,用单数的谓语动词   a number of +名词复数表示许多…,用复数的谓语动词,故选D
考点:考察主谓一致