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

　　A young man was getting ready to graduate from college．He had wanted a beautiful 　　1　　 in a dealer's showroom,and knowing his father could well 　　2　　 it,he told him that was all he wanted．

　　As Graduation Day came near,the young man expected 　　3　　 that his father had bought the gift．　　4　　,on the morning of his graduation,his father 　　5　　 him into his own room．His father told him how proud he was to have such a fine son,and told him how much he loved him．He 　　6　　 hisson a beautifully wrapped gift box．

　　Curious,and somewhat 　　7　　,the young man opened the box and found a lovely leather-bound Bible（《圣经》）,with the young man's name written in gold．Angry,he 　　8　　 his voice to his father,and said“With all your money you give me a Bible?”and 　　9　　 out of the room．

　　Many years passed and the young man was very 　　10　　 in business．He had a beautiful home and wonderful family,but 　　11　　 his father was very old,and thought perhaps he should go to see him．　　12　　 he could make arrangements,he received a telegram 　　13　　 him his father had passed away and willed（遗赠）all of his 　　14　　 to his son．When he arrived at his father's,sudden sadness and regret 　　15　　 his heart．He began to 　　16　　 his father's important papers and saw the still wrapped Bible,just as he 　　17　　 it years ago．With tears,he opened the Bible and began to turn the pages．His father had carefully 　　18　　 a sentence,Matt 7∶11,“And if you,being evil,know how to give good gifts to your children,how much more shall your Heavenly Father which is in Heavens,give to those who ask Him?”

　　As he read those words,a car key 　　19　　 on the floor from the back of the Bible。It had a tag（标签）with the dealer's name,the same dealer who had the sports ear he had desired．On the tag was the 　　20　　 of his graduation,and the words PAID IN FULL．

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阅读理解

　　Feeling blue about world ? “Cheer up．” Says science writer Matt Ridley．”The world has never been a better place to live in, and it will keep on getting better both for humans and got nature．”

　　Ridley calls himself a tat ional optimist－tactical．because he’s carefully weighed the evidence optimistic．because that offence shows human progress to be both unavoidable and good．And this is what he’s set out to prone from unique point of view in his most recent book．The Rant anal Opting．He views mankind as grand enterprise that．on the whole．has done little but progress for 100, 000 years．He backed his finding with hard gathered though years of research．

　　Here’s how he explains his views．

　　1)Shopping fuels invention

　　It is reported that there are more than ten billion different producers for sale in London alone．Even allowing for the many people who still live in poverty．our own generation has access to more nutritious food．more convenient transport．bigger houses, better ears．and of course, more pounds and dollars than any who lived before us．This will continue as long as we there things to make other things, This more we specialize and exchange, the better off we’ll be．

　　2)Brilliant advances

　　One reason we are richer, healthier, taller, cleverer, longer-lived and freer than ener before is that the four most basie human needs -food, clothing, fuel and shelter- have grown a lot cheaper．Take one example．In 1800 a candle providing one hour’s light cost six hours’ work．In the 1880s the same light from an oil lamp took 15 minutes’ work to pay for．In 1950 it was eight seconds．Today it’s half second．

　　3)Let’s not kill ourselves for climate change

　　Mitigating(减轻)climate change could prove just as damaging to human welface as climate change itself．A child that dies from indoor smoke in a village, where the use of fassil-fuel(化石燃料)electrieity is forhidden by well meaming members of green polucal movements trying to save the world, is just as great a tragedy as a child that mes in a flood caused by climate change．If chmaic change proves to be xxxx, but cutting carbon canses realparn, we may well find that we have stopped a nose bleed by putting a tournquet(止血带)around our necks．

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阅读理解

　　If the eyes are the romantic's window into the soul, then the teeth are an anthropologist's(人类学家)door to the stomach．

　　Peter Ungar of the University of Arkansas and his partner．Matt Sponhenner of the University of Colorado, US, examined the teeth of ancient hnman beings to find out what they were really eating, according to a．study published in the journal Science．

　　They already knew that different foods cause different marks on teeth．Some cause scratches, while others cause pits(坑)．The carbon left on teeth by different foods is also different．Tropical(热带的)grasses, for example, leave one kind of carbon, but trees and bushes leave another kind because they photosynthesize(光合作用)differently．

　　Traditionally, scientists had looked at the size and shape of teeth and skulls(头骨)to figure out what early humans ate．Big flat teeth were taken to be signs that they ate nuts and seeds, while hard and sharp teeth seemed good for cutting meat and leaves．But this was proven wrong．

　　The best example was the Paranthropus(傍人)one of our close cousins, some of which lived in eastern Africa．Scientists used to believe that Paranthropus ale nuts, fruits and seeds because they had big crests(突起)on their skulls, suggesting that they had large chewing muscles(咀嚼肌)and big teeth．If this had been true, their teeth should have been covered with pits like the surface of the moon．They would also have had a- particular type of carbon on their teeth that typically comes from tree products, such as nuts and seeds．

　　However, when the two scientists studied the Paranthropus, it turned out to have none of these characteristics．The teeth had a different kind of carbon, and were covered with scratches, not pits．This suggested they probably ate grass, not nuts and fruit stones, it was the exact opposite of what people had expected to find．

　　Carbon "footprints" give us a completely new and different insight into what different species ate and the different environments they lived in．If a certain species had the kind of carbon on its teeth that came from grasses, it probably lived in a tropical grassland, for example．

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