题目内容
and then sprinkled (撒) sooty(煤炭的) dust over it. When they put a small piece of paper over
the stone and rubbed the paper, the sooty lines were reproduced on it. Some of these first printed
papers have been preserved; the oldest ones known to exist are more than one thousand years old.
Printing with carved stone blocks was the only kind of printing known for centuries. Then, about
eight hundred years ago, a Chinese printer, Bi Sheng, had a clever idea. Instead of carving a whole
message on a single big block of wood or stone, he formed separate Chinese words or characters
out of bits of clay(粘土). By putting the clay pieces together in rows in a box, he could print just as
before. But when he finished, he could keep all the separate pieces of clay and use them again.
Bi Sheng's movable type was a great step forward, but his method was not generally adopted.
Movable type did not come into use in Europe until it was invented there centuries later. The
Europeans had been totally ignorant of the printing traditions of the Chinese.
B. more than 1000 years
C. more than 2000 years
D. 500 years
B. messages
C. individual words or characters
D. small statues
B. broken
C. reusable
D. disposable
B. had learned about it from the Chinese
C. had copied Chinese printing
D. had invented it themselves
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