2. 外语
  3. The United States is well-known for its network of major highways designed to help a driver get from one place to another in the

The United States is well-known for its network of major highways designed to help a driver get from one place to another in the

admin2009-01-05  82
问题      The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time.【C1】______ these wide modem roads are generally【C2】______　and well maintained, with【C3】______ sharp curves and many straight【C4】______　, a direct route is not always the most【C5】______　one. Large highways often pass【C6】______　scenic areas and interesting small towns, Furthermore, these highways generally【C7】______　 large urban centers, which means that they become crowded with【C8】______　traffic during rush hours,【C9】______　the "fast, direct" route becomes a very slow mute.
     However, there is【C10】______ always another route to take【C11】______ you are not in a hurry. Not far from the 【C12】______　new "suqerhighways’, there are often older, 【C13】______　heavily traveled roads which go through the countryside.【C14】______　of these are good two-lane roads; others are uneven roads【C15】______　through the country. These secondary routes may go up steep slopes, along high【C16】______ , or down frightening hillsides to towns【C17】______　in deep valleys, Through these less direct routes, longer and slower, they generally go to places【C18】______　 the air is clean and the scenery is beautiful, and the driver may have a 【C19】______ to get a fresh, clean【C20】______　of the world.
【C15】
选项 A、driving
B、crossing
C、curving
D、traveling
答案C
解析 我们首先必须明确这里使用的是一个现在分词短语作定语，逻辑主语为roads，所以A 和D  错，因为它们的逻辑主语应是人而不能是物。另外，cross是及物动词，用在此处也不合适。curve意为“蜿蜒曲折”之意，用在此处正合适，例如：The road curves suddenly to the right．那条路突然右转。
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