An American, Charles D. Seeberger, moving stairs to transport invented người (0) .................... the 1890s. He (26) .................... this invention an 'escalator', (27) ................ .... the name from the Latin word 'scala', (28) .................... means again 'ladder'. Escalators move up and down short người (29) ..................... Lifts by 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 người an hour, and it (33) ........... ......... not need a person to thực it. Towards the end of the nineteenth century, cities là (34) .................... more crowded and the first escalators at railway stations built là big department and print (35) ..................., vì người could move about more Quickly. Today We see escalators everywhere. 0 A in B at C by D on 26 A translated announced B C D gọi Explained A fetching B 27 D Carrying taking Lending C 28 A what B có C who D mà directions 29 A B C measurements distances D lengths 30 A the B a C some D any 31 A B made C USED D walked changed 32 A to D from B giữa C above 33 A is B has C did D does 34 A Continuing coming B C D Developing Becoming A 35 stores B C places D houses shops
đang được dịch, vui lòng đợi..