2021宁夏职称英语考试考前冲刺卷(5).docx
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1、2021宁夏职称英语考试考前冲刺卷(5)本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意) 1. Food and Cancer Medical experts have suspected for many years that there is a strong link between what a person eats and cancer. They say a new study provides the first evidence that vitamins could reduc
2、e a persons chance of developing cancer. A team of Chinese and American scientists did the study. They are from American National Cancer Institute and the Cancer Institute of the Chinese Academy of Medical Sciences in Beijing. The Journal of the National Cancer Institute published the results of the
3、 study. About thirty thousand people between the ages of 40 to 69 took part in the study. They were from the northern central Chinese area of Linxian. Most of them took vitamins and minerals every day for five years. Linxian was chosen because the people there have an extremely high rate of cancer o
4、f stomach and esophagus. Researchers believe that fungus and molds in local foods may be partly responsible for the high cancer rate. Researchers divided those into eight groups. Seven of the groups received different mixtures of vitamins and minerals daily. The amounts of the vitamins and minerals
5、were 1 to 2 times greater than what American health officials say is needed. The eighth group received sugar pills that had no effect. Those who seemed to gain the most received a mixture of a form of vitamin A called -carotene, vitamin E and the mineral selenium. The vitamin and mineral are believe
6、d to prevent damage to cells caused by cancer-causing substances. Researchers reported a 13 percent drop in cancer rates in those who took -carotene, vitamin E and selenium. They also found a 10 percent drop in the number of deaths caused by strokes from bursting blood vessels. Scientists warn that
7、it is too soon to know if the effect would be the same among people in other countries. They note that the people in Linxian eat foods that lack necessary vitamins and minerals. Chinese officials will continue to record the health records of the people in Linxian for many years. For now officials re
8、portedly are considering using the .results of the study. They want to find a way to improve the health of people in Linxian and other small towns in China.The results of the study are of great significance to people everywhere.A. Right B. Wrong C. Not mentioned 2.Active in Old Age Keeps People Mobi
9、lePeople over 70 who aren’t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study.These findings suggest that it’s very important to stay (51) in old age, study author Dr. Marjolein Visser told Reuters Health. Physical activity
10、 in old age is as important (52) taking your medications(药物), Visser noted. You do not need to join an expensive, fancy sports club with high-tech (高科技的) equipment. Your body will already (53) from regular walking.Visser, a Dutch (荷兰的)scholar, explained that (54) active helps prevent people from bec
11、oming breathless during simple activities, increase muscle mass and strength, and maintain the balance people need to walk up stairs, for instance.To investigate how important exercise is to older adults, Visser’s team interviewed 3,075 men and (55) between the ages of 70 and 79, all of whom s
12、aid they had no problems walking one-quarter of a mile or climbing (56) . The investigators followed the subjects for 4-1/2 years, noting who developed problems (57) and climbing stairs.During the study, 34 percent of men and 47 (58) of women said they began to struggle with walking and climbing sta
13、irs. People (59) were inactive were twice as likely to report these problems as people who said they got regular exercise.People who didn’t exercise but had active lifestyles appeared to be at a somewhat higher risk of developing (60) walking and climbing stairs, relative to people who exercis
14、ed (61) 。 Still, leading an active lifestyle appeared to protect people (62) problems better than being generally inactive, the researchers report in the Journal of the American Geriatrics (老年医学)Society.Among people who were inactive, (63) who walked even a little bit such as brisk (轻快的)walking for
15、a little over an hour per week - were at a lower (64) of mobility (可动性) problems.If you do not like to exercise or you cannot exercise (65) of serious health problems or functional limitations, do try to be as active as possible, Visser advised.57()A.jumpingB.walkingC.runningD.jogging3.Active in Old
16、 Age Keeps People MobilePeople over 70 who aren’t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study.These findings suggest that it’s very important to stay (51) in old age, study author Dr. Marjolein Visser told Reuters Hea
17、lth. Physical activity in old age is as important (52) taking your medications(药物), Visser noted. You do not need to join an expensive, fancy sports club with high-tech (高科技的) equipment. Your body will already (53) from regular walking.Visser, a Dutch (荷兰的)scholar, explained that (54) active helps p
18、revent people from becoming breathless during simple activities, increase muscle mass and strength, and maintain the balance people need to walk up stairs, for instance.To investigate how important exercise is to older adults, Visser’s team interviewed 3,075 men and (55) between the ages of 70
19、 and 79, all of whom said they had no problems walking one-quarter of a mile or climbing (56) . The investigators followed the subjects for 4-1/2 years, noting who developed problems (57) and climbing stairs.During the study, 34 percent of men and 47 (58) of women said they began to struggle with wa
20、lking and climbing stairs. People (59) were inactive were twice as likely to report these problems as people who said they got regular exercise.People who didn’t exercise but had active lifestyles appeared to be at a somewhat higher risk of developing (60) walking and climbing stairs, relative
21、 to people who exercised (61) 。 Still, leading an active lifestyle appeared to protect people (62) problems better than being generally inactive, the researchers report in the Journal of the American Geriatrics (老年医学)Society.Among people who were inactive, (63) who walked even a little bit such as b
22、risk (轻快的)walking for a little over an hour per week - were at a lower (64) of mobility (可动性) problems.If you do not like to exercise or you cannot exercise (65) of serious health problems or functional limitations, do try to be as active as possible, Visser advised.58()A.percentB.numbersC.hundredsD
23、.dozens4.Active in Old Age Keeps People MobilePeople over 70 who aren’t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study.These findings suggest that it’s very important to stay (51) in old age, study author Dr. Marjolein V
24、isser told Reuters Health. Physical activity in old age is as important (52) taking your medications(药物), Visser noted. You do not need to join an expensive, fancy sports club with high-tech (高科技的) equipment. Your body will already (53) from regular walking.Visser, a Dutch (荷兰的)scholar, explained th
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