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THE ESCALATOR An American, Charles D. Seeberger, invented moving stairs to transport people in the 1890s. He (26)______ th
THE ESCALATOR An American, Charles D. Seeberger, invented moving stairs to transport people in the 1890s. He (26)______ th
admin
2010-12-17
49
问题
THE ESCALATOR
An American, Charles D. Seeberger, invented moving stairs to transport people in the 1890s. He (26)______ this invention an ’escalator’, (27)______ the name from the Latin word ’scala’, (28) means ’ladder’. Escalators move people up and down short (29)______ Lifts de the same, but only move (30)______ small number of people. If an escalator breaks down, it can still be (31)______ as ordinary stairs. An escalator can move (32)______ 8,000 and 9,600 people an hour, and it (33)______ not need a person to operate it.
Towards the end of the nineteenth century, cities were (34)______ more crowded and the first escalators were built at railway stations and in big department (35)______ so that people could move about more quickly. Today we see escalators everywhere.
选项
A、is
B、has
C、did
D、does
答案
D
解析
本句的谓语动词是need,上文的时态是一般现在时,用does not表示否定,因此D是正确答案。
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BETS二级笔试题库北京英语水平考试(BETS)分类
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BETS二级笔试
北京英语水平考试(BETS)
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