完形填空

　　Accidental discoveries have often opened the door to beauty and wonder．The rock paintings in France that date back 15 000 years, for example, 　　1　　 by two boys who were looking for shelter from the rain．The paintings 　　2　　 became “the find of last century”．Or, the Sanxingdui Ruins, known by historians as “the Ninth Wonder of the World”, were discovered in Sichuan Province by a farmer．

　　In the spring of 1929, Yan Qingbao, then a 43 year-old 　　3　　, discovered a circular piece of jade(玉)while digging a hole．　　4　　 by curiosity, he dug deeper and found a group of about 400 colourful jade pieces．At the time, he had no idea his discovery would be 　　5　　 important? as other wonders of the world 　　6　　, China’s Great Wall and Egypt’s pyramids．

　　Since then, more than 10 000 relics(文物), dating back to between 5000 and 3000 BC have been unearthed(出土)at Sanxingdui．These relics 　　7　　 gold, pottery(陶器), bone tools and ivory(象牙)objects．They prove that Sanxingdui contains the ruins of an ancient city that was once the political, economic and cultural center of the ancient Shu Kingdom－the old name for Sichuan．

　　It has 　　8　　 modern historians realize that Sichuan’s human history went back 　　9　　 five thousands years, and located on the upper part of the Yangtze River．The site challenges the common idea 　　10　　 Chinese civilization rose from a single source－the Yellow River valley．Sanxingdui was named the Scientific Education Base for China’s Youth in March this year．

　　But still, only four of the Sanxingdui Ruins’ 12 square kilometers have been uncovered．Who knows what other big surprises are waiting to be shown to the world?

完形填空

　　A land free from destruction, plus wealth, natural resources, and labor supply－all these were important 　　1　　 in helping England to become the center for the IndustrialRevolution．　　2　　 they were not enough．Something 　　3　　 was needed to start the industrial process．That “something special” was men-　　4　　 individuals who could invent machines, find new 　　5　　 of power, and establish business organizations to reshape society．

　　The men who 　　6　　 the machines of the Industrial Revolution 　　7　　 from many backgrounds and many occupations．Many of them were 　　8　　 inventors than scientists．A man who is a 　　9　　 scientist is primarily interested in doing his research 　　10　　．He is not necessarily working 　　11　　 that his findings can be used．

　　An inventor or one interested in applied science is 　　12　　 trying to make something that has a concrete use．He may try to solve a problem by 　　13　　 the theories 　　14　　 science or by experimenting through trial and error．Regardless of his method, he is working to obtain a 　　15　　 result：the construction of a harvesting machine, the burning of a light bulb, or one of 　　16　　 other objectives．

　　Most of the people who 　　17　　 the machines of the Industrial Revolution were inventors, not trained scientists．A few were both scientists and inventors．Even those who had 　　18　　 or no training in science might not have made their inventions 　　19　　 a groundwork had not been laid by scientists years 　　20　　．