For the first time, the mystery (something that is difficult to understand or to explain)of why we age is being seriously challenged. Scientists in many fields are now making striking and far-reaching discoveries.
An average lifetime lasts 75 years, yet in each of us lies a potential for a longer life. If we could keep the vitality and resistance to disease that we have at twenty, we would live for 800 years.
1. What does the underlined word “it”refer to?
A. Physical vitality.B. Stress.C. Aging.D. Physical resistance.
2. The author believes the following EXCEPT that ______.
A. human’s life pattern is predictable
B. physical fitness can’t stop the force of aging
C. human’s lifetime will last longer than 75 years
D. all of the changes of aging take place deep inside the body
3. How did Dr Paul Seagle lengthen the lifetime of rats in his experiment?
A. By limiting the protein in their diet.
B. By cutting the calories in their diet.
C. By resetting their clock of aging.
D. By keeping their physical fitness.
4. What is probably the best title for the article?
A. Two Great Experiments.
B. The Mystery of Human Life.
C. Ways to Lengthen Human Life.
【2017届浙江省常山县高考英语一轮复习阅读理解专练:6(含答案)】相关文章:
★ 江苏省扬州市2014高考英语一轮 阅读理解暑假练习题(10)
★ 常熟市2014高考英阅读理解语一轮(暑假)训练题(5)及答案
★ 北京市2014高考英语一轮复习 练习手册(34)选修7 Unit 4 Sharing(含解析)新人教版
★ 【北师大版】2014届高考英语一轮复习指导课时作业:Unit 9 B卷 Word版含解析
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (39)
★ 辽宁省辽阳市2014高考英语单项选择一轮(暑假)训练(8)附答案
★ 贵州省贵阳市2014高考英语(新人教版)一轮阅读训练(6)附答案
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (40)
★ 2014高考英语(新人教版)一轮基础训练(20)A、B卷(附答案或解析)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21