A.The possibility of government support for such a task.
B.The need to explore Utah.
C.The need to connect the east coast with the west.
D.The need to del, clop the railroad industry in the west.
A.9 years
B.7 years
C.4 years
D.3 years
开始考试点击查看答案A.Settlements Spread Westward
B.The Coast-to-Coast Railroad: A Vital Link
C.American Railroad History
D.The Importance of Trains in the American Economy
开始考试点击查看答案A.brought about a rapid growth of industry and farming in the west
B.attracted many visitors to the construction sites
C.attracted laborers from Europe
D.encouraged people to travel all over the county
开始考试点击查看答案A.poor quality rails and unreliable stopping systems
B.lack of financial support for development
C.limited railroad lines
D.lack of a transcontinental railroad
开始考试点击查看答案A.artificial hearts are seldom effective
B.the country should not spend so much money on artificial hearts
C.the country is not spending enough money on artificial hearts
D.America’s health-care programs are not doing enough for the nation’s health
开始考试点击查看答案A.another
B.more
C.the other
D.other
开始考试点击查看答案A.impression
B.reaction
C.comment
D.opinion
开始考试点击查看答案A.finish what I did
B.finished what I did
C.would finish what I was doing
D.finished what I was doing
开始考试点击查看答案A.artificial
B.unnatural
C.false
D.unreal
开始考试点击查看答案A.benefits
B.affects
C.guides
D.effects
开始考试点击查看答案投资项目管理师投资项目管理师宏观经济政策投资项目管理师考
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