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1、Unit 4 综合练习阅读下面短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中，选出最佳选项。If Mickey Mouse slips on a banana peel on TV, viewers laugh. But for ordinary people,falling is not amusing. If you trip on a curb or fall 1 your bike, you can 2 days to heal. For old people, the result of a fall can be 3 . Scientists at the Univ
2、ersity of Pittsburgh, US, wanted to know 4 why some people are more 5 to fall than others.The researchers found that balance involves 6 planting your feet on the ground and 7 tall. Your brain keeps your sense of 8 with inputs from your eyes and inner ears and sensations from your feet and legs. If s
3、omething goes 9 with any of these, youre likely to fall. People 10 to fall more often as they grow 11 because their senses are less acute(敏锐的).State of 12 is important too. The research shows that when people know they 13 on a slippery surface, they shorten their pace and walk with flatter feet. As
4、a result, they fall 14 often. We actually make people slip and fall, researcher Mark Redfern said. People of different ages fall 15 in his lab. Cameras record their falls and a computer analyzes the data. Scientists then can train people16 fall often how to be on the alert.If they 17 a lifelike but
5、18 environment, people eventually can learn to handle the real thing, Redfern said. Falls happen to everyone sometimes. Next time you see someone fall, think about why and offer a 19 hand. This persons painful experience may 20 you falling at the same place.( ) 1. A. to B. down C. off D. on ( ) 2. A
6、. spend B. take C. cost D. waste( ) 3. A. worse B. less C. better D. more( ) 4. A. why B. when C. how D. where( ) 5. A. possible B. able C. probable D. likely( ) 6. A. rather than B. other than C. less than D. more than( ) 7. A. to stand B. standing C. being D. to be( ) 8. A. balance B. stability C.
7、 responsibility D. humor ( ) 9. A. worse B. bad C. wrong D. terrible( )10. A. tend B. plan C. mean D. intend( ) 11. A. wilder B. up C. older D. more ( )12. A. eyes B. mind C. ears D. feet( )13. A. are walking B. walk C. have walked D. will walk( )14. A. more B. less C. much D. little( ) 15. A. by ac
8、cident B. by mistake C. on purpose D. on time( )16. A. they B. them C. who D. whom( ) 17. A. used to B. use to C. are used for D. get used to( ) 18. A. controlled B. controlling C. to control D. being controlled( ) 19. A. help B. helpful C. helper D. helping( ) 20. A. keep B. protect C. prevent D. s
9、ave Keys: .1-5 CBAAD 6-10 DBACA 11-15 CBABC 16-20 CDADCWork stress levels lower in UKUK workers are among the least stressed in Europe, a survey has suggested.Just 20% of British workers found their workplace too stressful compared with an average of 27% across Europe.Switzerland and Sweden suffered
10、 the highest levels of anxiety in their job (33%), the survey by global recruitment(招募) agency Kelly Services found.The poll of 19,000 people across 12 countries also found that male workers, older staff and those in steady jobs were under the greatest pressure.A certain amount of stress is inevitab
11、le and can be a good thing when it pushes people beyond their comfort zone to work harder and smarter, said Steve Girdler, marketing director of Kelly Services UK.But high levels of prolonged stress are not good because they have an effect on productivity(生产效率) and are associated with physical and e
12、motional illness, he warned.The group also found stress increased significantly with age - rising from 19% in the 15-24 age group to 23% for those aged 45 and above.The report suggested these workers could also be suffering from added stress at home and increased responsibility.Those working the lon
13、gest hours found their job the most stressful - 18% for those working 30 hours or less, 34% for those clocking on for 41-50 hours, and 50% for those working longer than 51 hours. Kelly Services also uncovered a close link between stress and job satisfaction.For those workers who said they faced too
14、much stress, just 28% were happy in their jobs, while for those with just the right amount of stress happiness levels jumped to 65%.The findings suggest staff enjoy jobs where they face challenges that push them to learn new skills.1. The underlined word “inevitable” in Paragraph 5 means_. A. unreasonable B. unnecessary C. unavoidable D. unexpected2. How many British workers surveyed found their workplace “too stressful”? A. 5130. B. 6270. C. 3610. D. 3800. 3. Which of the following is NOT true according
