• 难度: 使用次数:50 入库时间:2017-11-03

    从方框中选择正确的单词并用其适当形式填空

      ablealiencircleexpressmight

    mysteryoutdoorspurposeseevaluable

    Crop circles(麦田怪圈)are patterns in fields that appear overnight.At first they were just some simple 1.       now the patterns have become very complicated(复杂的)From a plane crop circles can look like a work of art 2.    

    Since the first crop circles were found in Britain in 1978it has become a great 3.     How these crop circles are madeWho makes themWhat is the 4.      of making them?

    Some scientists think that some of the crop circles 5.     be man­made.They believe that thanks to modern technologyit is possible to create such complicated patterns in a short time.

    Howeverothers think that crop circles might be the work of some 6.    Because they often apper in areas shortly after there have been UFOs to be 7.    They also think that the circles are so complicated that nobody on earth is 8.      to make a true crop circle.

    Although different opinions about these crop circles have been 9.      one thing everybody agrees on.That is these crop circles are 10.      to the local economy(经济)Thousands of visitors come here to see crop circles every year.

    答案

    1.circles 2.outdoors3.mystery4.purpose

    5.might 6.aliens7.seen8.able ^cooco.组卷net.cng

    9.expressed 10.valuable



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