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约3930字。

　　格致中学高三开学考2016.9
　　II.Grammar and Vocabulary
　　Section A
　　Directions: After reading the passages below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanse one word that best fits each blank.
　　An accident in a bicycle race in the United States eight years ago alerted James Chang to the importance of sports medicine. One of his riding companions (21) ______ (injure) severely in the accident.
　　From then on, Chang, 45, a Chinese-American who was born in Anhui province, began to launch business relating to physical safety and medical assistance, particularly in sport. So (22)______ he took up marathon running two years ago he was shocked to see frequent injuries, many of them avoidable.
　　“I always heard people talking about people in marathons in China dying suddenly,” he says, adding that one reason why many of these deaths happen is (23) ______ there is a lot of ignorance in China about what marathon running involves.
　　Many amateur runners in China who are highly competitive get carried away and run at a pace that is far in excess of (24) ______ they can expect their body to take, and even ignore clear signals such as pain, Chang says.
　　As Chinese have placed more emphasis on leading healthy life-styles in recent years, marathon and other long-distance running (25) ______ (become) a highly popular sport across the country quickly.
　　More than 50 China Athletic Association-sanctioned urban marathons were held in the country last year, and 39 races（26）______ (involve) more than 750,000 runners were held the year before. However, long-distance running is a serious business that（27）______ exact a heavy physical toll on runners.
　　“Marathon carries (28) ______(high) risks of injury than other forms of sport,” Hou says, adding that the key to avoiding injury is to strengthen the body through regular exercise and to be aware of one’s own physical condition.
　　Although some chronic injuries are hard (29)______(avoid), even for highly experienced runners, cramp, fainting and shock can easily be prevented (30)______ runners better understand the sport, he says.
　　21. was injured     22.when       23.that      24. what     25. have become          26.involving    27. can      28.higher   29.to avoid   30.if     
　　Section B
　　Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
　　A. travels B. interaction C. presidential D. disagreements E. released
　　F. patriotic G. scheduled H. humanity I. demonstrating J. encountered K. involving