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　　(C)

　　In the year 2000, the world is going to have a population of about 10 billion(十亿). Most scientists agree that the most severe problem is food supply.

　　Who is going to feed all those people? Where is the food going to come from? Are we going to have enough food? Are we going to produce more artificial(人造的)food?

　　One way of improving the situation is for people to eat less meat. Why? Because it takes 4 kilos of grain protein(蛋白质)toproduce half a kilo of meat protein. Clearly, there is not going to be sufficient meat protein for 10 billion people. Therefore, it will also be necessary to change eating habits because meat is the main part of many people's food today.

　　A possible solution to this latter problem is the soybean(大豆). The soybean plant produces beans which have a very high fat and protein content. Scientists can now make these look and taste like real meat. They can also make many other artificial products such as soybean milk, for example, which has a taste of milk and can be used in cooking in very much the same ways as cow's milk. In fact, one woman in the United States fed her family only on soybeans for a year! She gave them soybean beef, soybean chicken, soybean milk, and sometimes just soybeans. Possibly, we are all going to eat soybeans in the future and finally give up meat completely from our tables.

　　11.What is the main idea of the passage? [ ]

　　A.A solution to man's food problem.

　　B.A solution to the population problem.

　　C.Advantages of soybean.

　　D.How to develop good eating habits.

　　12.According to the passage, meat will completely disappear in the future because _____. [ ]

　　A.people have to spend too much time and energy to produce it

　　B.too much grain protein is needed to produce it

　　C.it contains too much fat and protein

　　D.it is not good to the health

　　13.According to the passage, the main part of food that many people are eating today is _____. [ ]

　　A.soybeans B.grain C.meat D.milk

　　14.In this passage, “artificial food” refers to food made from [ ]

　　A.milk B.grain C.protein D.soybean

　　15.Soybean meat is similar to real meat ______. [ ]

　　A.in appearance, but not in taste

　　B.neither in appearance nor in taste

　　C.both in appearance and in taste

　　D.in taste, but not in appearance

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