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What kind of flag was put on the Arctic seabed？
提问人：网友wang110ji
发布时间：2022-01-07
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更多“What kind of flag was put on t…”相关的问题
第5题
The first books were quite different from the books of today. They were made of baked clay tablets. Some of these tablets that have been found were used in Mesopotamia about fifty-five hundred years ago. The people of that time used symbols to represent their language. When the clay was soft, the symbols were written in the clay. After the tablets were baked, the clay hardened and the messages were permanently preserved. Question： The oldest books found were made of _______ .
A、clay
B、wood
C、stone
D、papyrus
第6题
By 1800，hand printers could not supply enough books to satisfy [使满意] the demand．Books were not printed fast enough when hand-made paper and wooden hand presses were used．Fortunately [幸运地]， about this time, many machines were invented that aided[辅助的] in the mass production of such products as cotton and woolen cloth．The invention of new types of printing machines and paper machines followed on the heels[后跟] of these inventions and helped to speed up the production of books．The paper machine produced paper in rolls instead of sheets; and the iron hand press enabled the printer to use larger pieces of paper on which more text could be printed in less time． Question： About 1800, when machines were developed, ______________.
A、hand printing became completely out of date
B、books bacame more expensive
C、more books could be produced
D、the quality of printing improved
第7题
By 1800，hand printers could not supply enough books to satisfy [使满意] the demand．Books were not printed fast enough when hand-made paper and wooden hand presses were used．Fortunately [幸运地]， about this time, many machines were invented that aided[辅助的] in the mass production of such products as cotton and woolen cloth．The invention of new types of printing machines and paper machines followed on the heels[后跟] of these inventions and helped to speed up the production of books．The paper machine produced paper in rolls instead of sheets; and the iron hand press enabled the printer to use larger pieces of paper on which more text could be printed in less time． Question： Printing was speeded up when ______________.
A、paper was made in sheets instead of rolls
B、paper was made in rolls instead of sheets
C、the quality of paper was improved
D、the raw materials for paper became more readily available
