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Internet Is/Isn’t Good for College Stude......

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问答题
Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which Will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more.
单项选择题
Which of the following factors account for the limited impact of railroads in the 1860s
A．Other modes of transportation did not come to an end when the first train appeared.
B．There was little government subsidy.
C．People doubted that railroads stretching desert, mountain, and semiarid plain could be profitable.
D．Economists and congressmen strongly opposed the idea of linking the East and West together through railroads.
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