Most of us lead unhealthy lives;we spend far too much sitting down.If in addition we are careless about our diets,our bodies soon become loose and fatty and our systems slow?moving.There are some aspects(方面)of our unhealthy lives that we cannot avoid.I am thinking of such features of modern city life as pollution,noise,rushed meals and stress.But keeping fit is a way to reduce the effects of these evils.The usual suggestion to a person who is looking for a way to keep fit is to take up some sport or other.While it is true that every weekend you will find people playing football and hockey in the local park,they are outnumbered a hundred to one by the people who are simply watching them.

For those who do not particularly enjoy competitive sports—and it is especially difficult to do so if you are not good at them—there are such separate activities as cycling,walking,jogging and swimming.What often happens though is that you do them in such a leisurely way,so slowly,that it is doubtful if you are doing yourself much good,except for the fact that you have at least managed to get up out of your armchair.

Even after you have found a way for keeping in shape,through sport or gymnastics,you are still only half way to good health,because,according to the experts,you must also master the art of complete mental and physical relaxation(放松).It has to do with deep breathing,emptying your mind of all thoughts,meditation,and so on.Yoga,as practiced in the West,is the most widely known and popular of the systems for achieving the necessary state of relaxation.It seems ironical(讽刺性的),though,that as our lives have improved in a material sense we have found it increasingly necessary to go back to forms of activity physical effort on the one hand and relaxation on the other—which were the natural way of life of our forefathers.

46.Pollution,noise and stress are examples of______.

A.causes of unfitness

B.bad features of living in towns

C.the things we can completely do away with

D.unavoidable things in town

47.We don’t get much out of separate sports because we______.

A.don’t do them very often                     B.don’t do them actively enough

C.find it hard to get out of our armchairs    D.don’t find them interesting

48.To be healthy we must______.

A.keep fit and active                              B.keep fit and learn to relax

C.be active and practise Yoga                   D.have a sound mind

49.Our forefathers were healthy because______.

A.their way of life closely connected with both exercise and relaxation

B.they were careful to get plenty of fresh air

C.they spent most of the time out of doors

D.their environment was not polluted

Zheng He (1371-1435), or Cheng Ho, is arguably(可论证地) China’s most famous navigator. Starting from the beginning of the 15th Century, he traveled to the West seven times. In 28 years, he traveled more than 50,000km and visited over 30 countries, including Singapore. Zheng He died in the tenth year of the reign(统治) of the Ming emperor Xuande (1435) and was buried in the southern suburbs of Bull’s Head Hill (Niushou) in Nanjing.

In 1985, during the 580th anniversary(周年纪念) of Zheng He’s voyage, his tomb(坟墓) was rebuilt. The new tomb was built on the site of the original tomb in Nanjing and reconstructed according to the customs of Islamic teachings, as Zheng He was a Muslim.

At the entrance to the tomb is a Ming-style building, which was a memorial hall. Inside are paintings of the man himself and his navigation maps. To get to the tomb, there are newly laid stone platforms and steps. The stairway consists of 28 stone steps that are divided into four sections with each section having seven steps. This represents Zheng He’s seven journeys to the West. The Arabic words which mean “Allah (God) is great” are written on top of the tomb.

Zheng He built many wooden ships, some of which are the largest in history, in Nanjing. Three of the shipyards still exist today.

56. Zheng He’s tomb was rebuilt ________.

A. because he was a Muslim           B. following the Islamic customs

C. to celebrate Zheng’s 580th birthday   D. beside the original one

57. You can see _____ at Zheng He’s tomb.

A. a Ming-style hall in the tomb            B. ZhengHe’s portraits and his maps for his voyage

C. Arabic-style buildings and materials      D. four flights of 28 stone steps

58. The passage mainly tells us ______.

A. how ZhengHe built his ships             B. something about his tomb

C. that ZhengHe was a Muslim navigator      D. about ZhengHe, his voyages and his tomb

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