Passage 7
　　Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
　　They do not provide energy, __1__do they construct or build any part of the body. They are needed for   2   foods into energy and body maintenance. There are thirteen or more of them, and if   3   is missing a deficiency disease becomes   4  .
　　Vitamins are similar because they are made of the same elements — usually carbon, hydrogen, oxygen, and   5   nitrogen. They are different   6   their elements are arranged differently, and each vitamin   7   one or more specific functions in the body.
　　8   enough vitamins is essential to life, although the body has no nutritional use for ___9__ vitamins. Many people,   10  , believe in being on the “safe side” and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’s vitamin needs.
　　1. A. either B. so C. nor D. never
　　2. A. shifting B. transferring C. altering D. transforming
　　3. A. any B. some C. anything D. something
　　4. A. serious B. apparent C. severe D. fatal
　　5. A. mostly B. partially C. sometimes D. rarely
　　6. A. in that B. so that C. such that D. except that
　　7. A. undertakes B. holds C. plays D. performs
　　8. A. Supplying B. Getting C. Providing D. Furnishing
　　9. A. exceptional B. exceeding C. excess D. external
　　10. A. nevertheless B. therefore C. moreover D. meanwhile

　　Passage 8
　　Manpower Inc., with 560,000 workers, is the world’s largest temporary employment agency. Every morning, its people __1__ into the offices and factories of America, seeking a day’s work for a day’s pay. One day at a time,__2__ industrial giants like General Motors and IBM struggle to survive __3__ reducing the number of employees, manpower, based in Milwaukee, Wisconsin, is booming.
　　4   its economy continues to recover, the US is increasingly becoming a nation of part-timers and temporary workers. This “  5  ” work force is the most important __6__ in American business today, and it is   7   changing the relationship between people and their jobs. The phenomenon provides a way for companies to remain globally competitive __8__   avoiding market cycles and the growing burdens   9   by employment rules, healthcare costs and pension plans. For workers it can mean an end to the security, benefits and sense of __10__  that came from being a loyal employee.
　　1. A. swarm B. stride C. separate D. slip
　　2. A. For B. Because C. As D. Since
　　3. A. from B. in C. on D. by
　　4. A. Even though B. Now that C. If only D. Provided that
　　5. A. durable B. disposable C. available D. transferable
　　6. A. approach B. flow C. fashion D. trend
　　7. A. instantly B. reversely C. fundamentally D. sufficiently
　　8. A. but B. while C. and D. whereas
　　9. A. imposed B. restricted C. illustrated D. confined
　　10. A. excitement B. conviction C. enthusiasm D. importance