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1、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. _1these wide modern roads are generally _2 and well maintained, with_3 sharp curves and straight sections, a direct route is not always the most _4
2、 one. Large highways often pass _5 scenic areas and interesting small towns. Furthermore, these highways generally _6 large urban centers, which means that they become crowded with _7traffic during rush hours, _ 8 the “fast, direct“ route becomes a very slow route. However, there is almost always an
3、other route to take _9 you are not in a hurry. Not far from the _10 new “superhighways“, there are often older, _11heavily traveled roads which go through the countryside. _12 of these are good two lane roads; others are uneven roads curving through the country. These secondary routes may go up stee
4、p slopes, along high _13, or down frightening hillside to towns _14 in deep valleys. Through these less direct routes, longer and slower, they generally go to places _15 the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.1. A. Although
5、 B. Since C. Because D. Therefore 2. A. stable B. splendid C. smooth D. complicated 3. A. little B. few C. much D. many 4. A. terrible B. possible C. enjoyable D. profitable 5. A. to B. into C. over D. by 6. A. lead B. connect C. collectD. communicate 7. A. large B. fast C. high D. heavy 8. A. when
6、B. for C. but D. that 9. A. unless B. if C. as D. since 10. A. relatively B. regularly C. respectively D. reasonably 11. A. and B. less C. more D. or 12. A. All B. Several C. Lots D. Some 13. A. rocks B. cliffs C. roads D. paths 14. A. lying B. laying C. laid D. lied 15. A. there B. when C. which D.
7、 where 答案解析： 1. A) 此空四个选项都是从属连词，但是它们的属性是不同的，例如：although 是表示转折 关系的；since because therefore 是表示原因关系的。通过阅读此空所在句得知大概句义为： “尽管这些宽阔的现代化公路通常很平坦且维护良好，转弯也很少，但是一直保持笔直的公 路不总是令人赏心悦目”。根据语义线索和语法线索可知此空应填表示转折关系的选项 A。 2. C) 根据词汇线索和词义搭配可知，stable，splendid 和 complicated 一般不能用来修饰 roads。 3. B) 根据语义线索可推断此空正确答案为选项 B few。 4.
8、 C) 根据上下文可推测出如果高速公路总是保持笔直，对于驾驶者来说是非常枯燥的，因 此本空的正确答案为 C enjoyable。 5. D) 介词 by 能和动词 pass 搭配，意为“经过，掠过”。 6. B) 本句中的联系副词 Furthermore 说明本句是对上一句的进一步补充和信息的增加，由 此可推测本句句义为高速公路不仅经过风景区和乡村，通常还“将庞大的都市中心区连接起来”。故正确答案为 B。 7. D) “交通拥挤”用 heavy 和 traffic 搭配。 8. A) 通过分析可知，这里使用的是一个非限定性定语从句，四个选项中只有 A when 具备 此语法功能。 9. B)
9、根据上下句关系可推断此句为条件句，故选项 B 为正确答案。 10. A) 根据主句中的“older . roads”可推断此空需要填一个比较意义的副词，以构成对比关 系，故选项 A relatively“相应地，相对地”为正确答案。其他三词词义分别为：regularly“有 规律地，定期地”；respectively“各自地”；reasonably“有理由地”。 11. B) 根据此空前后词及结构可断定此空应使用比较级，故可排除 A 和 D。另外根据上下 文可推测此空应为 less，因为“more heavily traveled”意为“车辆拥挤的”公路，与常识不符。 12. D) 从下文的
10、others 可知此空正确答案为 D some。 13. B) 根据上文的 slopes 和下文的 hillsides 就可以断定这里需要一个表示路况不好的词， 选项 A rocks 意义不符，故只有 B cliffs “悬崖” 为正确答案。 14. A) 根据题目和选项可断定此空应为 towns 的后置定语，由此可猜测句义为“位于深谷中 的城镇”， “位于”lie 是不及物动词，不能以过去分词的形式出现作名词的后置修饰语，故正 确答案为 lie 的现在分词形式 lying。 15. D) 定语从句修饰 places 用 where 来引导。 Scientists around the wor
11、ld are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SARS Severe Acute Respiratory Syndrome was detected for the first time in February in Hanoi, and since then has infected more than 1,600 people in 15 countries, killing 63. At this point, there are mo
12、re questions than answers surrounding the disease.Symptoms start with a fever over 100.4 degrees F, sometimes with chills, headache or body aches. Within a week, the patient has a dry cough, which might progress to shortness of breath. In 10% to 20% of cases, patients require mechanical ventilation
13、to breathe. About 3.5% die from the disease.资料来源：http:/ cases appear to have been passed through droplets expelled when infected patients cough or sneeze. Family members of infected people and medical workers who care for them have been most likely to contract the illness. But recent developments in
14、 Hong Kong suggest that the disease might spread through air, or that the virus might linger for two to three hours on doorknobs or other surfaces.Symptoms generally begin in two to seven days, but some reports suggest it might take as long as 10 days.Scientists are close to developing a lab test to
15、 diagnose SARS. In the meantime, it is diagnosed by its symptoms. There is no evidence that antibiotics, anti-viral medicines or steroids help, so doctors can offer only supportive care. Patients with SARS are kept in isolation to reduce the risk of transmission.Scientists arent sure yet, but some r
16、esearchers think its a newly discovered coronavirus, the family of viruses that cause some common colds.原文出处：原文出处：Symptoms, cause of SARS studiedScientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SARS Severe Acute Respiratory Syndrome was detected for the first time in Fe
