2. 外语
  3. America is the land of the automobile. This country has only 6 percent of the world’s population but 46 percent of the world’s c

America is the land of the automobile. This country has only 6 percent of the world’s population but 46 percent of the world’s c

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问题      America is the land of the automobile. This country has only 6 percent of the world’s population but 46 percent of the world’s cars. Right now, there are 97 million【C1】______ cars consuming 75 billion gallons of gasoline and【C2】______ an estimated 1,000 billion miles a year. The figures also【C3】______ something we know every time we refill our gasoline tank. The automobile is a very thirsty piece of  【C4】______ Of the total petroleum【C5】______ in the United States, 30 percent goes to quench that thirst.
     Other aspects of our commitment【C6】______   the automobile also bear【C7】______ here. It【C8】______ a great deal of energy to manufacture one automobile.【C9】______ , we expend energy in the process of shipping cars from factories to showrooms,【C10】______ them for sale and making replacement parts for repairs. Building highways and parking【C11】______ has used up much of our land. It has been estimated that we have paved over 21,000 square miles of this country’s surface, most of【C12】______ to accommodate the automobile. The automobile is also the largest contributor【C13】______ our nation’s air pollution【C14】______ and a very serious one because most of its pollutants are emitted in our large metropolitan areas.
    Aside from the great impact that【C15】______ if everyone seriously practiced 【C16】______ , one should stop and think about his own casual use of the automobile. There are numerous situations【C17】______ better planning and awareness could really【C18】______ a difference in energy savings and dollars. Because the automobile uses the largest percentage of energy in an average American family’s energy【C19】______ and almost half of the dollars, the【C20】______ for savings is tremendous.
【C3】
选项 A、affirm
B、assert
C、discover
D、declare
答案A
解析 考查动词的意义。affirm意为“确认”，暗含有证据、经验或信任为根据，符合上下文。assert意为“断言，声称”，指很自信，不需要什么证据。如果用assert，主语必须有这种“断言”的能力。declare意为“宣称，宣布”。如果用declare，主语也同样必须具有“宣称”的能力。discover意为“发现”。如果使用此词，主语必须是能干事的。此外，这个词跟后面的something we know．．．在语义上是矛盾的。
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