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The extraordinary Eastgate Building in Harare, Zimbabwe’s capital city, is said to be the only one in the world to use the same cooling and heating principles as the termite mound(白蚁堆).
????????????? Architect Mick Pearce used precisely the same strategy when designing the Eastgate Building, which has no air-conditioning and almost no heating. The building—the country’s largest commercial and shopping complex—uses less than 10% of the energy of a conventional building of its size. The Eastgate’s owners saved $3.5 million on a $36 million building because an air-conditioning plant didn’t have to be imported.
The complex is actually two buildings linked by bridges across a shady, glass-roofed atrium(天井) open to the air. Fans suck fresh air in from the atrium, blow it upstairs through hollow spaces under the floors and from there into each office through baseboard vents(通风口). As it rises and warms, it is drawn out via ceiling vents and finally exists through forty-eight brick chimneys.
????????????? During summer’s cool nights, big fans blow air through the building seven times an hour to cool the empty floors. By day, smaller fans blow two changes of air an hour through the building, to circulate the air which has been in contact with the cool floors. For winter days, there are small heaters in the vents.
????????????? This is all possible only because Harare is 1600 feet above sea level, has cloudless skies, little dampness and rapid temperature swings—days as warm as 31℃ commonly drop to 14℃ at night. “You couldn’t do this in New York, with its fantastically hot summers and fantastically cold winters,” Pearce said.
The engineering firm of Ove? Arup&Partners monitors daily temperatures. It is found that the temperature of the building has generally stayed between 23℃ and 25℃, with the exception of the annual hot period just before the summer rains in October and three days in November, when a doorkeeper accidentally switched off the fans at night. And the air is fresh—far more so than in air-conditioned building, where up to 30% of the air is recycled.
1.What’s the meaning of “complex” in the second paragraph??
A. Something that is difficult to understand.
B. A group of buildings together in one place.
C. A group of things that are connected.
D. A mental state that is not normal.
2.How is fresh air from outside drawn out?
A. By fans.????????????? ????????????? ?????? B. Via ceiling vents.????????????? ?????????????
C. Through chimneys.????????????? ?? D. Via ceiling vents and through chimneys.
3.What is NOT the factor that makes Eastgate Building work well?
A. Skies without clouds.
B. Little dampness.
C. Daily rapid temperature changes
D. Seasonal rapid temperature changes.
4.In general, how is the daily temperature of the building?
A. It changes in a certain range with some exception.
B. It changes from one extreme to another.
C. It remains the same without any exception.
D. It is hard to endure.
5.What’s the main idea of the passage?
A. The engineering firm of Ove Arup&Partners.
B. How air-conditioning works.
C. Fans make Eastgate Building’s temperature comfortable.
D. How Eastgate Building’s temperature control system works.
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完型填空(共20小题;每小题1.5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
What I Want for You and Every Child in America
Dear Malia and Sasha,
I know that you've both had a lot of ___21 these last two years on the campaign trail, going to picnics and parades and state fairs, eating all sorts of junk food your mother and I probably shouldn't have let you have.But I also know that it hasn't always been easy for you and Mom, and that as excited as you both are about that new puppy, it doesn't ___22 for all the time we've been apart.I know ___23 I've missed these past two years, and today I want to tell you a little more about why I decided to take our family on this journey.
When I was a young man, I thought life was all about me---about how I'd___24 my way in the world, become successful, and get the things I want.But then the two of you came into my__25 with all your curiosity and mischief (捣乱) and those smiles that never___26 to fill my heart and light up my day.
I want all our children to go to schools___27 of their potential-schools that challenge them, inspire them, and instill(灌输)in them a sense of___28 about the world around them.I want them to have the chance to go to college__29 their parents aren't rich.And I want them to get good jobs: jobs that pay well and give them benefits like health care, jobs that let them spend time with their own__30 and retire with dignity.
I want us to___31 the boundaries of discovery so that you'll live to see new technologies and inventions that improve our lives and make our planet cleaner and safer.And I want us to push our own human boundaries to reach ___32 the divides of race and region, gender and religion that___33 us from seeing the best in each other.
That was the___34 your grandmother tried to teach me when I was your age, reading me the opening lines of the Declaration of Independence and telling me about the men and women who marched for__35 because they believed those words put to paper two centuries ago should mean____36 .
She helped me understand that America is great not because it is perfect but because it can always be made better and that the____37 work of perfecting our union falls to each of us.It's a charge we pass on to our children, coming closer with each new generation to___38 we know America should be.
These are the things I want for you, to___39 in a world with no limits on your dreams and no achievements beyond your reach.And I want every child to have the same chances to learn and dream and grow and thrive that you girls have.That's why I've taken our family on this great adventure.
I am so proud of both of you.I love you___40 you can ever know.And I am grateful every day for your patience, poise (自信), grace, and humor as we prepare to start our new life together in the White House.
Love, Dad
A.play B.fun C.pain D.gain
A.take up B.pick up C.make up D.put up
A.how much B.how many C.how soon D.how long
A.lose B.make C.take D.walk
A.world B.family C.position D.place
A.succeed B.come C.tend D.fail
A.worth B.worthless C.worthwhile D.worthy
A.humor B.happiness C.wonder D.sadness
A.even if B.as if C.though D.although
A.friends B.kids C.boys D.girls
A.rush B.catch C.push D.pull
A.to B.in C.into D.beyond
A.keep B.let C.make D.warn
A.way B.method C.means D.lesson
A.quantity B.quality C.equality D.quarter
A.everything B.something C.anything D.nothing
A.unfinished B.finished C.unfinishing D.finishing
A.which B.who C.what D.that
A.wake up B.grow up C.come up D.get up
A.rather than B.other than C.less than D.more than
查看习题详情和答案>>“Hi! John.” Mary ran towards me with a rare bright smile on her face, saying, “I’m going to have a 16 performance tonight.I hope you'll come.Here is the 17 .” She left in a hurry, disappearing in the crowds of people 18 .
"Is that true?" I asked myself.She was a quite 19 girl.I had never seen her making up or wearing attractive clothes, for she did not know how to 20 indeed.
I arrived at the 21 with the ticket, and found my seat.Her performance was the seventh one.I knew I would 22 from a hard time before her turn, for I had no 23 of art, but her performance was 24 watching, no matter how long I would wait.Time went slowly.I 25 with myself not to fall asleep.
"Let' s welcome the next exciting dance - Latin !" 26 filled the hall at once.
I opened my eyes as large as possible, 27 to lose anything.Wearing a golden and shining skirt, Mary appeared on the stage.Dancing with a charming smile, she was fully 28 in the Latin music.At this moment, she looked like a pretty butterfly 29 on the splendid stage.
After all the performance 30 , I waited for her at the gate.
"Hi!" She stood in front of me with a bag and her crystal high-heeled shoes in her hands, and 31 as she used to be, but the making-up still could be seen.
"How do you feel?" There was not a little bit tired 32 on her face.
" 33 !" I answered.
"Thank you! I knew it would be." She could not 34 her excitement, laughing like a child.Looking at the shining crystal high-heeled shoes in the wonderful starry night, I 35 that every girl has a pair of special shoes which are like the crystal shoes of Cinderella.
1.A.instrument B.dance C.music D.opera
2.A.address B.number C.ticket D.invitation
3.A.quickly B.completely C.quietly D.excitedly
4.A.lovely B.popular C.confident D.ordinary
5.A.cover up B.turn off C.dress up D.take in
6.A.hall B.party C.theatre D.school
7.A.relieve B.escape C.relax D.suffer
8.A.interest B.ability C.sense D.touch
9.A.proper B.worth C.good D.happy
10.A.struggled B.knocked C.supported D.controlled
11.A.Appreciation B.Attention C.Expectation D.Applause
12.A.failing B.fearing C.forgetting D.regretting
13.A.absorbed B.swallowed C.interested D.surrounded
14.A.singing B.flying C.skipping D.staying
15.A.stopped B.paused C.ended D.succeeded
16.A.talked B.dressed C.laughed D.looked
17.A.appearance B.excitement C.expression D.exhibition
18.A.Sorry B.Congratulations C.Far from D.Fantastic
19.A.hide B.prevent C.remove D.abandon
20.A.doubted B.realized C.wondered D.suggested
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Years ago in Scotland, the Clark family had a dream. Clark and his wife worked and saved, 21 plans for their nine children and themselves to 22 to the United States. It had taken years, but they had finally 23 enough money and had gotten passports and reservations for the 24 family on a new liner to the United States.
The entire family was 25 with excitement about their new life. However, seven days before their 26 , the youngest son was bitten by a dog. The doctor sewed up the boy 27 hung a yellow sheet on the Clarks’ front door. 28 the possibility of rabies (狂犬病), they were being quarantined (隔离)for fourteen days.
The family’s dreams were dashed. They would not be able to make the trip to America 29 they had planned. Watching the ship leave 30 his family, the father, filled with disappointment and anger, cursed both his son and God for their 31 .
Five days later, the tragic news spread 32 Scotland---the mighty Titanic had sunk. The 33 ship had sunk, taking hundreds of lives with it. The Clark family 34 have been on that ship, but because the son had been bitten by a dog, they were left 35 in Scotland.
When Mr. Clark heard the news, he hugged his son and thanked him for 36 the family. He thanked God 37 saving their lives and turning what he had left was a tragedy into a 38 .
Although we may not 39 understand, all things happen for a 40 .
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完形填空(共20小题;每小题1.5分,满分30分)
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,并在答题卡上将该项涂黑。
You Did More Than Carry My Books
Mark was walking home from school one day when he noticed the boy ahead of him had dropped all of the books he was carrying, along with a baseball bat and several other things. Mark 21 down and helped the boy pick up these articles. 22 they were going the same way, he helped to carry some of them for him. As they walked Mark 23 the boy's name was Bill, that he 24 computer games, baseball and history, that he was having a lot of 25 with his other subjects and that he had just broken 26 with his girlfriend.
They arrived at Bill's home first and Mark was 27 in for a Coke-Cola and to watch some television. The afternoon passed 28 with a few laughs and some shared small talk, and then Mark went home. They 29 to see each other around school, had lunch together once or twice, and then both ended up from the same high school. Just three weeks before 30 , Bill asked Mark if they 31 talk.
Bill 32 him of the day years ago when they had first met. "Do you 33 wonder why I was carrying so many things home that day?" asked Bill. "You see, I 34 out my locker(柜) because I didn't want to leave a mess(脏乱) 35 anyone else. I had planned to run away and I was going home to 36 my things. But after we spent some time together 37 and laughing, I realized that 38 I had done that, I would have 39 a new friend and missed all the fun we would have together. So you see, Mark, when you picked up my books that day, you did a lot more. You 40 my life."
A.fell B.sat C.lay D.knelt
A.Although B.Since C.After D.Until
A.discovered B.realized C.said D.decided
A.played B.loved C.tried D.made
A.questions B.ideas C.trouble D.doubt
A.up B.out C.off D.away
A.put B.helped C.invited D.pushed
A.peacefully B.willingly C.freely D.pleasantly
A.continued B.agreed C.forced D.offered
A.graduation B.movement C.separation D.vacation
A.would B.should C.could D.must
A.demanded B.reminded C.removed D.asked
A.ever B.usually C.even D.never
A.checked B.took C.cleaned D.put
A.over B.into C.with D.for
A.find B.pick C.pack D.hold
A.talking B.playing C.reading D.watching
A.before B.if C.while D.as
A.forgotten B.passed C.left D.lost
A.helped B.recovered C.improved D.changed
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