【文章內(nèi)容簡(jiǎn)介】 there are serious problems in big cities too . The cost of living is high , and there are too many people in some places of big cities . Every year many people move to the cities because there are some chances to find jobs , to study at good schools, and to receive good medical care . But sometimes these people cannot find work or a good place to live in . Also , too many people in a small space make it hard to keep the cities safe and clean . Some people enjoy living in big cities , others do not . Before people move to a big city , they should think about the problems of living there .（ ）1. Which is the best title for this passage ? A. Big Cities . B. New York , London , and Paris . C. Exciting Places to Live in . D. Serious Problems in Big Cities .（ ）2. In big cities people can _________ . A. go to different kinds of museums B. see all kinds of plays and films C. buy things from all over the world D. All of the above（ ）3. Which of the following is true ? A. Big cities are not safe and clean enough . B. People can easily find a good place to live in . C. Living in big cities doesn’t cost a lot . D. All people like to live in big cities .（B） Babies love chocolate and —sometimes they also eat the paper around it . My cat enjoys a meal of good , thick paper , old letters , for example . She doesn’t like newspapers very much . Of course , the best paper es from wood . Wood es from trees , and trees are plants . Vegetables and fruit are plants too , and we eat a lot of them . So can we also eat wood and paper ? Scientists say : “All food es in some way from plants .”Well , is that true ? Animals eat grass and grow fat . Then we eat their meat . Little fish eat little sea—plants , then bigger fish swim along and eat the …Chickens eat bits of grass and give us …Think for a minute . What food does not e from plants in some way ? Scientists can do wonderful things with plants . They can make food just like meat and cheese . and they can make it without the help of animals . It is very good food too . Now they have begun to say :“We make our paper from wood . We can also make food from wood. The next thing is not very difficult . ”What’s the next thing ? Perhaps it is —food from paper . “Scientists say .” We can turn paper into food . It will be good , cheap food too 。 cheaper than meat or fish or eggs . So please keep your old books and letters . （Don’t feed them to your cat）. One day , soon , they will be on your plate . There is nothing like a good story for breakfast .（ ）1. What does the best paper e from ? A. Vegetables . B. Food . C. Plants . D. Wood .（ ）2. From the passage , we can infer（推斷）that _________ do not e from plants in some way . A. few kinds of food B. meat and fish C. cheese and chickens D. wood and paper （ ）3. What’s the main idea of the passage ? A. All food es from plants in some way . B. It will not be long before food can be made from paper . C. Scientists can do wonderful things with plants . D. Scientists can make food without the help of animals .（C）December 3 , 1998Dear John , Your letter reached me the day before yesterday . I’m glad that you enjoyed your holidays with us . We enjoyed having you and your sister here . We hope that you will be able to e again next year . Maybe you will be able to stay longer next time . A week isn’t really long enough , is it ? If your sc