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　　In 1982, Mark Thatcher, the son of Mrs．Thatcher, was reported missing in the Sahara Desert while competing in the Grand Prix Motor race from Paris to Daker．This sad unexpected news, shook the 　　1　　 calm and unhurried politician off her balance．Though she did her best to 　　2　　 as if nothing had happened and made her public appearances usual, people could not fail to notice that she was no longer the old self assured(自信的)prime minister who always had everything under 　　3　　．Instead she had become a very sad mother who was unable to recover from her 　　4　　．

　　One day when she was to 　　5　　 at a lunch party, a reporter caught her off her guard by bringing up the 　　6　　 of her missing son again．She was totally mentally 　　7　　 for the question and lost her 　　8　　．Tears were rolling down her eyes 　　9　　 she sobbingly told the reporter there was still no news of Mark and that she was very 　　10　　 about him．She said that all the countries concerned had promised to do their best to help her find her son．With that she 　　11　　 down completely and sobbed silently for quite a while．Gradually she 　　12　　 down and started to speak as planned．It was a very 　　13　　 scene which exposed a new side of Mrs．Thatcher’s 　　14　　 the public do not usually see, so people began to 　　15　　 about the Iron Woman’s motherly love, a feeling 　　16　　 is common to all human race．

　　Later Mark returned safe and 　　17　　 to his mother’s side, good humored and all smiles as usual 　　18　　 nothing unusual had 　　19　　 happened．The Iron Woman, however, broke down again and was 　　20　　 sobbing for the second time．

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　　The private automobile has long played an important 　　1　　 in the United States．In fact, it has become a necessary and important part of the American way of life．In 1986, sixty-nine percent of American families owned at least one car, and thirty-eight percent had more 　　2　　 one．By giving workers rapid transportation, the automobile has freed them from having to live near their place of work．This has encouraged the 　　3　　(grow)of the cities, but it has also led 　　4　　 traffic problems．

　　Family life has been affected in various ways, The car helps to keep families together 　　5　　 it is used for picnics, outings．However, when teenage children have the use of the car, their parents can't keep 　　6　　 eye on them．There is a great danger if the driver has been drinking alcohol(酒精)or 　　7　　(take)drugs, or showing off by speeding or breaking down traffic laws．Mothers of victims(罹难者)of such accidents have formed an 　　8　　(organize)called MADD．These women want to prevent further tragedies(悲剧)．They have worked to encourage the government to limit the youngest drinking age, Students have formed a 　　9　　(similarity)organization, SADD, and are spreading the same message among their friends．

　　For many Americans the automobile is a 　　10　　(necessary)．But for some, it is also a mark of social position and for young people, a sign of becoming an adult．Altogether, cars mean very much to Americans．

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