职称英语综合类学习资料完形填空练习(12)

　　本文为大家搜集整理了职称英语综合类学习资料完形填空练习，供大家参考。

　　prolonging life scientists know that there are two basic approaches to prolonging life. one approach is the __1__ of the diseases that generally __2__ older people ╟ diseases such as cancer, heart attack and stokes. __3__ is the delay of the process of growing old ╟ the __4__ of the body.

　　in recent years scientific researchers have spent much time in the study of the process of aging. they believe __5__, within a few years, they will develop the knowledge and the __6__ to delay the aging process for 10 to 15 years. the __7__ will be that more people will live longer, more healthful lives. at present, scientists believe that __8__ the right diet, exercise, medical __9__, and mental attitude many people can live to be 100 years old.

　　gerontologists, people who __10__ studies of the problems of growing old, are investigating __11__ body cells slow down and __12__ die. they feel that delaying this slowing down process would help postpone death. in a number of american universities, scientists are __13__ the activity of cells, the effects of diet and internal body temperature __14__ aging. if their studies are successful, the results should help improve the quality of life for older people in the next few years, __15__ increase the life span of the next generation.

　　1. a) eliminationb) deletionc) demonstrationd) conduction

　　2. a) effectb) affect c) reflect d) perfect

　　3. a) othersb) another c) the otherd) one more

　　4. a) decaying b) deletingc) decreasing d) weighing

　　5. a) whichb) whatc) thatd) having been

　　6. a) capability b) capacity c) probability d) ability

　　7. a) conclusion b) result c) summary d) sequence

　　8. a) aboutb) over c) withd) on

　　9. a) treatb) suggestion c) proposal d) advice

　　10. a) major inb) engage in c) specialize in d) interest in

　　11. a) why b) what c) that d) because

　　12. a) considerablyb) suddenly c) eventually d) actually

　　13. a) discussingb) concerning c) studying d) searching

　　14. a) withb) on c) over d) within

　　15. a) as muchb) as much as c) so far as d) as well as