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  • 英语四级阅读基础练习题200篇(附答案)(194)
    04-08

    The accuracy of cientific observations and calculations is always at the mercy of the scientist’s timekeeping methods. For this reason,scientists are interested in devices that give promise of m

  • 英语四级阅读基础练习题200篇(附答案)(193)
    04-08

    In the United States, it is not customary to telephone somenone very early in the morning. If you telephone him early in the day, while he is shaving or having breakfast, the time of the call shows th

  • 英语四级阅读基础练习题200篇(附答案)(192)
    04-08

    Trees should only be pruned when there is a good and clear reason for doing so and , fortunately,the number of such reasons is small. Pruning involves the cutting away of obergrown and unwanted branch

  • 英语四级阅读基础练习题200篇(附答案)(191)
    04-08

    Flying over a desert area in an airplane, two scientists looked down with trained eyes at trees and bushes. After an hour's flight one of the scientists wrote in his book, 'Look here for probable meta

  • 英语四级阅读基础练习题200篇(附答案)(190)
    04-08

    One of the qualities that most people admire in others is the willingness to admit one's mistakes. It is extremely hard sometimes to say a simple thing like "I was wrong about that," and it

  • 英语四级阅读基础练习题200篇(附答案)(189)
    04-08

    Water problems in the future will become nore intense and more complex. Our increasing population will tremendously increase urban wastes,primarily sewage. On the other hand, increasing demands for wa

  • 英语四级阅读基础练习题200篇(附答案)(188)
    04-08

    On Thursday afternoon Mrs. Carke, dressed for going out, took her handbag with her money and her key in it, pulled the door behind her to lock it and went to the over 60s Club. She always went there o

  • 英语四级阅读基础练习题200篇(附答案)(187)
    04-08

    Many people believe the glare from snow causes snowblindnenss. Yet, dark glasses or not , they find themselves suffering from headaches and watering eyes,and even snowblindness,when exposed to several

  • 英语四级阅读基础练习题200篇(附答案)(186)
    04-08

    New Orleans, Louisiana, was established as part of the French Empire in 1718.Its location on the east bank of the Mississippi River gave it control of the American hinerland and it became strategicall

  • 英语四级阅读基础练习题200篇(附答案)(185)
    04-08

    The United States is on the verge of losing its leading place in the world's technology. So says more than one study in recent years. One of the reasons for this decline is the parallel decline in the

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