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The experiment needs fifty people divided into two groups of the same size. Group A is to take part in a 7-week exercise, while Group B is not allowed to do any exercise during those seven weeks. On the day before the experiment began, all fifty men took part in a step-test. They were told to step up and down on a 16-inch-long bench at 30 steps a minute for five minutes. After the test each man’s heart-beating was taken and recorded. Then during the seven weeks men in Group A rode a sort of bike-like exercise machine for 15 minutes a day. During the first day ride they were asked to ride very slowly. For the next three days, they were permitted to ride a bit more quickly. And the speed of riding was increased every few days until the end of the experiment, when both Group A and Group B were given the step-test again and the heart-beating was taken again, too. Heart-beating of Group A members was to have dropped to an average of 30 heart beats per minute while that of Group B members remained the same or almost unchanged.
1. How many people were in each group?
A. 100 B. 50 C.25 D. 15
2. The step-test was given ______.
A. after each exercise period
B. only once, at the beginning of the seven-week period
C. at the beginning and at the end of the seven-week period
D. twice to the men in Group A and once to the men in Group B
3. The exercise was planned so that the amount of quick riding _________.
A. increased every few days B. changed every other day
C. increased every other day D. increased every exercise period
4. What did Group A do in their experiment? They ______ .
A. stepped up and down on a bench each day
B. pushed and pulled the bikes every day
C. were prevented from doing any exercise
D. rode on an exercise machine
5. It seemed that _______ during the whole experiment.
A. Group A did less exercise than Group B
B. Group B did less exercise than Group A
C. Group A did everything
D. Group B did nothing
查看习题详情和答案>>Why do the Japanese live so long?
How do we know that the Japanese live the longest of any people in the world? We just have to look at world 1 reports. All the information about the average age of death for every country in the world shows that the Japanese have lived 2 than any other people in recent years. Right now there are 561 3 people over the age of 100. This number has increased every year for the last 33 years and it doubled last year. Japanese women can expect to 4 to the age of 85 and Japanese men can expect to live to the age of 78.
Many people have asked what the secret of their long life is. Some scientists have said that there is a genetic reason for their long life. 5 , research shows that there isn’t really a genetic reason. In history they have never been known as people that enjoy 6 life, especially after the Second World War when the Japanese usually 7 young. This has only changed in the last fifty 8 .
Some people say it is 9 the Japanese eat very healthily. It is true that the Japanese diet is very special. The Japanese eat 33% less than the average American. They also eat a lot of seafood, which 10 healthy oils that are good for the heart. In addition, they eat a lot of tofu and soya products, which help reduce 11 problems.
Other people also say that the Japanese take more exercise than people from other countries, and are more relaxed. Perhaps this is because their 12 is very different from American and European lifestyles. For instance, a popular Japanese 13 is called Zen archery. It is very good exercise and the aim is not to win, but to feel peaceful and relaxed when playing this sport.
Thus, what can we 14 from the Japanese to help us live longer? It would be difficult for us to change our diet and lifestyle completely, 15 we should all think about what we eat and make sure that we get enough exercise.
1. A. school B. news C. health D. word
2. A. longer B. better C. worse D. happier
3. A. English B. European C. American D. Japanese
4. A. work B. live C. play D. sleep
5. A. However B. So C. As if D. As though
6. A. hard B. poor C. long D. short
7. A. died B. worked C. stopped D. lived
8. A. days B. weeks C. months D. years
9. A. where B. because C. how D. what
10. A. buys B. sells C. contains D. takes
11. A. eye B. liver C. head D. heart
12. A. fruit B. lifestyle C. food D. house
13. A. sport B. class C. way D. book
14. A. read B. do C. learn D. make
15. A. until B. but C. for D. so
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阅读理解
Leisure and Private Life in England
英国的个人休闲生活
在英国,工厂的假日都集中在七月中旬到八月中旬这段时间。英国人喜欢旅游,你知道他们一般到什么地方旅游,又是怎么去旅游的吗?
In England,factory holidays are much concentrated in the period between mid- July and mid-August.State schools usually only have six weeks off in summer,from about mid-July to the end of August.
The coast is the most popular objective of English people for their annual holiday,but there are few new seaside hotels.Food in British hotels and restaurants is reasonably cheap, but rooms are not.Few English people rent houses or flats for their holidays,but one of the traditional ways of spending a summer holiday is in a boarding house.Some boarding-house keepers provide all meals for their guests.Others provide breakfast only.
The British may be conservative about the times at which they take their holidays,but they have shown themselves very ready to take to new places.They have always been pioneers in traveling far away, and Englishmen were among the first to climb many of the great Alpine summits.Now foreign travel is within reach of most working people,and each year more English men,women and children become familiar with some part of continental Europe.Many take their cars,often with tents,crossing the Channel by ferry;others use the travel agents’ plans for group travel. When they get home again,they talk endlessly of how they spent their leisure and private life.
Notes
leisure n.& adj.休闲(的);空闲(的)
objective n.目标;目的
conservative adj.保守的
boarding-house n.供膳的寄宿处
summit n.顶点;首脑
continental adj.大陆的;大陆性的
pioneer n.先驱者;先锋
Comprehension questions
1.State Schools in England usually have ________for summer holidays.
A.a month B.two month
C.42 days D.fifty days
2.The prices of food in British hotels and restaurants are reasonably ________.
A.cheap B.expensive C.high D.low
3.The British people are fond of ________.
A.traveling far away for their holidays
B.staying at home for their holidays
C.renting houses for their holidays
D.talking about their work when they get home
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阅读下列文,从每题所给的A、B、C、D四个选项中,选出最佳答案。
Boxing was long viewed sickly. Generally forbidden by law in earlier days, the fighting was usually done with bare fists, and matches often lasted forty or fifty rounds.
In 1882 John L. Sullivan, a fighter of great power, won the world heavyweight championship from Paddy Ryan in a bare-fisted battle marked by hitting, scratching, and biting without any rule. Five years later, while fighting Patsy Cardiff at Minneapolis, Sullivan broke his right arm in the third round, but he continued fighting to the sixth round and won. In 1889, Sullivan defeated Jake Kilrain with his bare fists in another championship fight, winning twenty thousand dollars and a diamond prize medal. His admirers talked then of running him for the neat governor, but he traveled to Australia for a boxing tour instead, coming back only to lose his title in a twenty-one-round match with a young Californian named James, J. Corbets.
“Gentleman James” victory in this match marked a turning point, for it showed scientific boxing was over strength. But Corbett's title ended in 1897,when another boxer, Bob Fitzsimmons, in less than three seconds, achieved his feats and then Fitzsimmons knocked out an Irishman, won the heavyweight championship of the world, and invented the terrible “solar plexus punch.”
1.Boxing matches in the early days were ________.
A. short and bloody
B. usually spare-time competitions
C. governed by strict rules
D. cruel
2.Sullivan held the world's heavyweight tide for ________.
A. at least seven years B. only a year
C. five days D. twenty-one years
3.Sullivan's fight with Kilrain was ________.
A. the first boxing championship match
B. a bare-fisted championship fight
C. the last boxing match to be fought bare-listed
D. a six-round match
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阅读理解
Alaska, which was called Russian America before it was sold to the United States, joined the Unions as the forty-ninth state in 1959 .
Alaska is now the largest of all the 50 states of the U.S.A. It was in 1867 that President A. Johnson's Secretary of State (国务卿) , Seward , bought Alaska from the Russians at a cost of 7.2million. The buying of the huge northern land seemed at first something foolishly done. Not only was Alaska difficult to reach, but it was also hard to live in and it appeared to have no importance in time of war. Besides, there are volcanoes (火山) there as Alaska lies on the Pacific “ring of fire”. In Alaska large treeless areas are covered. with snow all the year. For these reasons the buying of Alaska was called “Seward's Folly (愚蠢) ”at that time.
However, in 1886, gold was found in Alaska, and people poured into this land. Since then other important natural resources were discovered, including oil. But most people visit Alaska in order to see the endless beauty of nature that northern land shows to them. For example, there are about 11,000 islands in Alaska. And in a certain area of Alaska the sun does not set for eighty - two days every year.
(1)Alaska is now ______ of the Union .
[ ]
(2)Alaska joined the Union as a state ______.
[ ]
A.92 years after Seward bought it
B.92 years before Seward bought it
C.as soon as it was sold to the U.S.
D.as soon as gold was found there
(3)The buying of Alaska was called “Seward's Folly” at that time because ______.
[ ]
A.it was difficult to reach and hard to live in
B.it appeared to have no importance in time of war
C.people only knew there were volcanoes there but didn't know it was rich in natural resources
D.of all the above reasons
(4)Now most people come to Alaska in order to ______.
[ ]
(5)In Alaska ______ for eighty - two days.
[ ]