阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。

Face adversity(逆境)with a smile

　　I told my friend Graham that I often cycle the two miles from my house to the town centre but unfortunately there is a big hill on the route．He 　　1　　 , "You mean fortunately．" He explained that I should be glad of the 　　2　　 exercise that the hill provided．

　　My 　　3　　 to the hill has now changed．I used to 　　4　　 as I approached it but now I tell myself the following．This hill will exercise my heart and lungs．It will help me to 　　5　　 and get fit．It will mean that I live longer．This hill is my friend．　　6　　 , I have a smile of 　　7　　 as I reach the top of the hill．

　　Problems are there to be faced and 　　8　　．We cannot achieve anything with a/an 　　9　　 life．Helen Keller was the first deaf and blind person to 　　10　　 an University degree．She wrote, "Character cannot be 　　11　　 in ease and quiet．Only through 　　12　　 of trial and suffering can the soul be strengthened, vision cleared, ambition inspired and success achieved．"

　　One of the main 　　13　　 of success in life is our attitude towards adversity．At times we all face hardships, problems, accidents and difficulties．　　14　　 we cannot choose the adversity, we can choose our attitude towards it．

　　Douglas Bader was 21 when in 1931 he had both legs amputated(截肢)following a flying accident．He was 　　15　　 to fly again and went on to become one of the leading flying aces．He was a/an 　　16　　 to others during the war．He said, "Don't listen to anyone who tells you that you can't do this or that．That's nonsense．　　17　　 your mind you'll never 　　18　　 crutches(拐杖)or a stick, then have a go at everything．Go to school, join in all the games you can．Go 　　19　　 you want to．But never, never let them 　　20　　 you that things are too difficult or impossible．"

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完形填空

　　As the pace of life continues to increase, we are fast losing the art of relaxation．　　1　　 you are in the habit of rushing through life, being on the go from morning till night, it is hard to 　　2　　 down．But relaxation is 　　3　　 for a healthy mind and body．

　　Stress is a 　　4　　 part of everyday life and there is no way to 　　5　　 it．In fact, it is not the bad thing that it is often supposed to be．A 　　6　　 amount of stress is important to provide motivation and give 　　7　　 to life．It is only when the stress gets out of control 　　8　　 it can lead to poor performance and 　　9　　 health．

　　The amount of stress a person can bear 　　10　　 very much on the individual．Some people are not afraid of stress, and such 　　11　　 are obviously chief material for managerial．(管理的)responsibilities．Other people lose heart at first 　　12　　 of unusual difficulties．When exposed to stress, in 　　13　　 form, we react both physically and mentally．In fact we make a choice between“　　14　　 and fight”．And in more ancient days the choices made the 　　15　　 between life and death．The crisis we meet today are 　　16　　 to be so extreme, but however little the stress is, it requires the same response．It is when such a reaction 　　17　　 a long time, through continued exposure to stress, that health becomes 　　18　　．Such serious conditions as high blood pressure and heart disease have established links with stress．　　19　　 we cannot remove stress from our lives, we need to find ways to deal with it．

　　So what do you think of 　　20　　? What is your way to deal with it?

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阅读理解

　　Green attackers are taking over America．No．Not attackers from space, just plants．You might not think of plants as dangerous, but in this case they are threatening nature's delicate(脆弱的)food web．

　　The attackers are plants from other countries brought here to make gardens and yards look pretty．Ever since people started to arrive on America's shores, they've carried along trees, flowers, and vegetables from other places．

　　Now there are so many of those plants, and they are crowding out the native plants that have lived here since before human settlers arrived．And that's a problem, says Dr Doug Tallamy．He's an insect expert at the University of Delaware．He explains that almost all the plant-eating insects in the United States－90％ of them－are specialized．That means they eat only certain plants．

　　Pretty orange and black monarch butterflies, for example, can only dine on one plant：milkweed．If people cut down milkweed and replace it with something else, the butterflies starve, because their bodies cannot accept any other food．

　　But trouble doesn't stop there; it goes right across the food web．When insects can't get the right plants to eat and they die off, then the birds don't have enough bugs(小虫)for their meals．Tallamy points out that almost all migrating birds depend on insects to feed their young．

　　“We cannot let the plants and animals around us disappear,”says Tallamy．“The way to preserve them is to give them food to eat．But when we plant non-native plants, we are hitting the food web, because then we don't have the insects the birds need to live．”

　　Fewer of the right plants mean fewer bugs, and fewer bugs mean fewer birds．And that's bad for the Earth, because we need a variety of living things to keep the planet healthy and beautiful．

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