14.The Rise of a Young Scientist
Hannah Herbst,a 15-year-old teenager from Florida,US,has just become America's Top Young Scientist.She was given this award (獎(jiǎng)賞)for her invention which turns ocean (海洋) energy into electricity for the developing world.
In fact,Hannah was just a middle school student before that.She came up with this idea because of a letter from Africa.Shortly after the school began in 2014,she received a letter from her 9-year-old pen friend,Rose,in Africa.In the letter,she told Hannah that her family didn't have enough fresh water or electricity.Hannah realized that Rose's situation was bad and in some developing countries some people were in the same situation.She really wanted to help them,so she decided to do something useful.
Hannah began to work on her invention called"BEACON"to produce electricity from ocean power.Luckily,her idea won the attention of Discovery Education 3M Young Scientist Challenge.She got the opportunity to work with a scientist to improve her invention.Thanks to this project,she won a prize of 25,000•She offered to donate (捐贈(zèng))half of the prize to people in need of energy in developing countries and planned to keep working on BEACON to improve the real life situation.
Bill Goodwyn,the CEO of Discovery Education said,"It is always encouraging to see young people like Hannah use their skills to solve real problems and make changes for the better life of people."Millions of American students have a"scientist dream",but Hannah was the few ones who could realize their goals.She wrote in her blog (博客),"It was so great to see my ideas come to life.I knew that it was hard to begin with,but I kept working and never gave up.After successfully creating BEACON,my love for science was discovered.I hope others will find their interests and make their dreams come true.
45.Hannah Herbst became Americans Top Young Scientist when she wasB.
A.9 years old
B.15 years old
C.20 years old
D.25 years old
46.In the letter,Rose told Hannah thatD.
A.her situation was really good
B.she decided to do something useful
C.she got the award for her invention
D.her family didn't have enough fresh water or electricity
47.Hannah worked on her invention called"BEACON"toC.
A.donate half of the prize to people
B.receive more letters from her friends
C.produce electricity from ocean power
D.become America's top young scientist
48.Hannah's scientist dream came true becauseD.
A.she won a prize of 25,000 at last
B.she wrote a lot of science articles in her blog
C.she went to Africa to help her good pen friend
D.she kept working on inventions and never gave up.

分析 本文講述了一個(gè)美國(guó)年輕科學(xué)家的崛起,15歲的漢娜來(lái)自美國(guó),她的發(fā)明是將海洋能轉(zhuǎn)換成電能,漢娜從一個(gè)非洲的筆友了解到她的家庭沒(méi)有足夠的干凈的水和電,他的想法獲得了科學(xué)家的支持,她的成功成功的原因是堅(jiān)持不放棄.

解答 45.B;細(xì)節(jié)理解題.根The Rise of a Young Scientist  Hannah Herbst,a 15-year-old teenager from Florida,US,has just become America's Top Young Scientist可知Hannah Herbst15歲時(shí)就成為了美國(guó)最優(yōu)秀的年輕科學(xué)家,故選B.
46.D;細(xì)節(jié)理解題.根據(jù)n the letter,she told Hannah that her family didn't have enough fresh water or electricity可知在信中,她告訴漢娜,她的家庭沒(méi)有足夠的干凈的水和電.故選D.
47.C;細(xì)節(jié)理解題.根據(jù)Hannah began to work on her invention called"BEACON"to produce electricity from ocean power可知漢娜在這工作是為了利用海洋能發(fā)電,故選C.
48.D;細(xì)節(jié)理解題.根據(jù)I knew that it was hard to begin with,but I kept working and never gave up可知漢娜成功的原因是堅(jiān)持不放棄,故選D.

點(diǎn)評(píng) 做題時(shí)首先要仔細(xì)閱讀短文,掌握大意,然后結(jié)合具體的題目,找出相關(guān)信息,就可以確定正確答案.

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