1、2019届高考英语一轮复习限时阅读训练2AChildrens Books:Hawkings fact and fictionGeorge F. R. Ellis & RubyBOOK REVIEWED-Georges Secret Key to the Universeby Lucy & Stephen HawkingStephen Hawkings book A Brief History of Time was a huge commercial success. Its achievements in bringing difficult scientific ideas to a wi
2、de audience are not so clear. Now the distinguished physicist has teamed up with his daughter Lucy to produce a childrens book designed to communicate contemporary physics. Will it capture the attention of young minds and teach them some real science? Or will it be boring and over the heads of the p
3、rospective readers?Georges Secret Key to the Universe is an adventure story complete with villains and hero and is illustrated with enjoyable line-drawings. It involves a lost pig, a humorously portrayed intelligent computer, school bullies and a trip through the Solar System. Didactic discussions o
4、n aspects of modern physics, such as supernova explosions and black-hole physics are hung on this set-up. There are also fact boxes on physics and astronomy, and some photographs of astronomical phenomena: planets, comets, galaxies and so on. Overall, the book is a serious effort to convey facts and
5、 ideas in present day astronomy and astrophysics, within a science-fiction adventure story.The mixture is great. Children love facts and adventure stories. The combination will catch their interest and keep them occupied for hours. After ten minutes of leafing through the book, my granddaughter Ruby
6、 was deeply absorbed and I had to promise to bring it back for her to read after I had completed my review. Like any educational tool, it will succeed for some and not for others. I suppose there should be more of the former.41.Where do you think this passage is taken?A. From a news story.B. From a
7、textbook.C. From a book review.D. From an advertisment.42.Which of the following books is mainly reviewed in this passage?A. Georges Secret Key to the UniverseB. A Brief History of TimeC. The Nature of Space and TimeD. Hawkings fact and fiction43.What is the authors attitude towards the book being r
8、eviewed?A. It will be less successful. B. It will be more successful. C. It will be a complete failure.D. It all depends on Ruby44.The underlined word “leafing” (in the last paragrph) probably means _.A. adding leaves to a bookB. throwing away a bookC. tearing up a bookD. turning pages of a book BEx
9、ercise, such as walking, can reduce the risk of diabetes (糖尿病) in people whose blood sugar is starting to rise. That outcome was shown in a large study. Despite trying hard, those who dieted and worked out lost very little weight. But they did manage to maintain a regular walking program, and fewer
10、of them went on to develop diabetes.Exercise also may reduce the risk of heart disease. There seems to be some effect: Most of the heart protection appears to be realized by walking regularly. More intense exercise has been shown to provide only slightly greater benefits. Active people are much less
11、 likely to smoke; theyre thinner and they eat differently than people who are less active. They also tend to be more educated, and education is one of the strongest predictors of good health in general and a longer life. As a result, it is impossible to know with confidence whether exercise prevents
12、 heart disease or whether people who are less likely to get heart disease are also more likely to be exercising.Still, in rigorous studies in which elderly people were assigned either to exercise or maintain their normal routine, the exercisers were less likely to fall, perhaps because they got stro
13、nger or developed better balance. Exercise may prevent broken bonesbut only indirectly.And what about weight loss? Lifting weights builds muscles but will not make you burn more calories. Jack Wilmore, an exercise physiologist at Texas A & M University, calculated that the average amount of muscle t
14、hat men gained after a serious 12-week weight-lifting program was 2 kilograms, or 4.4 pounds. That added muscle would increase the metabolic rate (代谢率) by only 24 calories a day.Exercise alone, in the absence of weight loss, has not been shown to reduce blood pressure. Nor does it make much differen
15、ce in cholesterol (胆固醇) levels. Weight loss can lower blood pressure and cholesterol levels, but if you want to lose weight, you have to diet as well as exercise. Exercise alone has not been shown to bring sustained weight loss. Just ask Steven Blair, an exercise researcher at the University of Sout
16、h Carolina. He runs every day and even runs marathons. But, he adds, “I was short, fat and bald when I started running, and Im still short, fat and bald. Weight control is difficult for me. I fight the losing battle.”The difficulty, Dr. Blair says, is that its much easier to eat 1,000 calories than
17、to burn off 1,000 calories with exercise. As he relates, “An old football coach used to say, I have all my assistants running five miles a day, but they eat 10 miles a day.”45In the case of Steven Blair, running does _ to his weight control.A. littleB. muchC. goodD. harm46The last paragraph of the t
18、ext tells us that the problem is that people tend to _?A. burn off 1,000 calories in a dayB. use more energy than they getC. get more energy than they useD. run five miles in a football game47Which of the following is true according to the text?A. Exercise can certainly prevent heart disease.B. Exer
19、cise alone can not reduce blood pressure.C. Lifting weight can directly prevent broken bones.D. Walking can not reduce blood sugar in people.48According to the text, the more educated one is, the _.A. less exercise one will takeB. stronger and thinner one will beC. more cigarettes one will smokeD. healthier one will generally be41-44 CABD 45-48 ACBD第 3 页
