1、An energy tax would curb ordinary air pollution, limit oil imports and cut the budget _____.

　　A.disposition 　　B.deficit 　　C.defect 　　D.discrepancy

　　2、The government will _____ a reform in the educational system.

　　A.initiate 　　B.initial 　　C.initiative 　　D.intimate

　　3、Estimates _____ anywhere from 600 000 to 3 million. Although the figure may vary, analysts do agree on another mater: that the number of the homeless is increasing. One of the federal government's studies predicts that the number of the homeless will reach nearly 19 million by the end of this decade.

　　A.cover 　　B.change 　　C.differ 　　D.range

　参考答案：

　　1、B　2、A　3、D