An American, Charles D. Seeberger, moving stairs to transport invented people ' (0) .................... the 1890s. He (26) .................... this invention an 'escalator', (27) ................ .... the name from the Latin word 'scala', (28) .................... nghĩa 'ladder'. Escalators move up and down short people '(29) ..................... Lifts do 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 thực it. Towards the end of the nineteenth century, Cities Were (34) .................... more crowded and the first escalators at railway stations and Were built in big department (35) ..................., compared Furniture Quickly people 'could move about more. Today we see escalators everywhere. 0 A in B at C by D on 26 gọi A announced B C D explained translated Lending 27 A fetching B C D Carrying taking có 28 A what B C D who mà 29 A distances measurements B C D directions Lengths of 30 A the B a C any D some walked 31 A used B C D made changed the between C 32 A from B to D above 33 A is B has C did D does 34 A coming tiếp B C D Developing Becoming A stores B 35 D C places houses shops
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