Passage 5
　　Each year, hundreds of thousands of people die form heart attack, a leading cause of death. In the Landmark Physicians’ Health Study at Harvard University in the United States in the late 1980s, a research team led by Dr. Heinekens studied 22, 701 healthy male physicians, half of whom were randomly   1   to take an aspirin every other day while the others took placebos (安慰剂). After the participants had been   2   for an average of five years, the doctors in the aspirin group were found to have suffered 44 percent fewer first heart attacks.   3   ,a recent international study indicates that aspirin can be beneficial for those people with a history of coronary artery (冠动脉) bypass surgery,   4   of their sex, age or whether they have high blood pressure or diabetes.
　　According to a report by the American Heart Association. Doctors should consider prescribing   5   aspirin for middle-aged people with a family history of, or   6   for, heart disease. (Risk factors include smoking, being more than 20 percent overweight, high blood pressure and lack of exercise.)
　　Aspirin is also a lifesaver during heart attacks. Paramedics now give it routinely, and experts urge anyone with chest pain,   7   if it spreads to the neck, shoulder or an arm, or is accompanied by sweating, nausea (恶心), light headedness and breathing difficulty to chew and
　　8   an aspirin tablet immediately.
　　When taking aspirin for heart attack   9   the plain, uncoated variety. For even faster absorption, crush and mix with a little water. Speed of absorption is critical because most heart attack deaths occur   10   the first few hours after chest pain strikes.
　　1.  A. expected     B. demanded    C. assigned     D. advised
　　2.  A. followed     B. examined     C. monitored   D. experienced
　　3.  A. Meanwhile   B. Above all     C. However    D. In addition
　　4.  A. in spite      B. regardless     C. careless     D. whatever
　　5.  A. low-dose     B. high-amount   C. more       D. right
　　6.  A. ready        B. at risk        C. maybe      D. in danger
　　7.  A. naturally     B. apparently     C. especially   D. furthermore
　　8.  A. eat          B. swallow       C. digest      D. assimilate
　　9.  A. choose       B. use           C. hold out     D. pick out
　　10.  A. for          B. along         C. within      D. except： [NextPage]

　　Passage 6
　　Industrial safety does not just happen. Companies   1   low accident rates plan their safety programs, work hard to organize them, and continue working to keep them   2   and
　　active. When the work is well done, a   3   of accident-free operations is established   4   time lost due to injuries is kept at a minimum.
　　Successful safety programs may   5   greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by   6   rules or regulations.   7   others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
　　There can be no question about the value of a safety program. From a financial standpoint alone, safety   8  . The fewer the injury   9  , the better the workman’s insurance rate. This may mean the difference between operating at   10   or at a loss.
　　1. A. at B. in C. on D. with
　　2. A. alive B. vivid C. mobile D. diverse
　　3. A. regulation B. climate C. circumstance D. requirement
　　4. A. where B. how C. what D. unless
　　5. A. alter B. differ C. shift D. distinguish
　　6. A. constituting B. aggravating C. observing D. justifying
　　7. A. Some B. Many C. Even D. Still
　　8. A. comes off B. turns up C. pays off D. holds up
　　9. A. claims B. reports C. declarations D. proclamations
　　10. A. an advantage B. a benefit C. an interest D. a profit