When we think of green buildings, we tend to think of new ones-the kind of modern, solar-paneled masterpieces that make the covers of architecture magazines．But the US has more than 100 million existing homes, and it would be incredibly to tear them all down and them with greener versions．
An enormous amount of energy and resources went into the construction of those houses．And it would take an average of 65 years for the carbon emissions (排放) from a(an) __ _ energy-efficient (节能) home to make up for the lost by destroying an old one．
So in the broadest sense, the greenest home is the one that has already been built．But at the same time, half of US carbon emissions come from heating, cooling and powering our , offices and other buildings．"You can't deal with climate without dealing with existing buildings," says Richard Moe, the president of the National Trust．
With some exceptions, the oldest homes tend to be the energy-efficient．Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that over time and let in more outside .
,there are a vast number of relatively simple changes that can green older homes, from ones like Lincoln's Cottage to your own postwar home．And efficiency upgrades (升级) can save more than just the earth; they can help property owners from rising power .
A．terrible B．wasteful C．wonderful D．useful
A．put B．build C．replace D．take
A．reduced B．increased C．used D．destroyed
A．old B．fashionable C．new D．beautiful
A．magazines B．trees C．materials D．resources
A．nearly B．hardly C．rarely D．mostly
A．libraries B．schools C．homes D．stores
A．improvement B．appearance C．stability D．change
A．most B．really C．very D．least
A．expand B．narrow C．strengthen D．weaken
A．dust B．air C．smoke D．water
A．Oppositely B．Unfortunately C．Fortunately D．Frankly
A．historic B．worthless C．ordinary D．meaningless
A．charge B．protect C．punish D．warn
A．prices B．costs C．businesses D．bargains
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。
On June 25, two days after our kidney transplant （移植） surgeries, my daughter-in-law, supported by her nurse and my son, walked into my hospital room in Seattle．There she was, the of my kidney, smiling at the foot of my bed．That's when I realized the full _ of "to give is to receive．"
This February, her kidney function continued to decline, my daughter-in-law needed a kidney transplant to ．1 told her that it would be a（n） to me to be able to donate a kidney to her．Immediately I was found compatible （相匹配的）, my as a kidney provider began． After some tests and exams with my personal physician, I flew to Seattle for testing． Whenever I "passed" one , I became more relieved．Then I received the phone call telling me I was ． which made me very happy． ,the day arrived．Before the surgery, I truly wasn't afraid; I just wanted the transplant to be ．
I woke that evening, my son telling me that my left kidney was in my daughter-in-law．A strong sense of washed over me．It was one of the most _ moments of my life．A later, I got an e-mail from my daughter-in-law, saying: "Happy One-Month Anniversary!" We did have something to :1 wasn't affected much by the surgery, and more importantly, she felt like she had her back．
Up to now, being able to see my daughter-in-law one of my kidneys has been one of the greatest gifts 1 have received．
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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，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。
It was a bitter, cold evening in northern Virginia many years ago. The old man was ____ for a ride across the river. The wait seemed ____. His body became stiff(僵硬的) from the cold north wind.
He heard the ____ of approaching hooves(马蹄) running along the frozen path. Anxiously, he ___ as several horsemen rounded the bend. He let the first one pass by ____an effort to get his attention. Then another passed by, and another. ____, the last rider drew near. The old man caught the rider’s eyes and said, “Sir, would you ____ giving an old man a ride to the other side?”
Reining (勒住) his horse, the rider replied, “Sure thing. Hop____.” The horseman got off and helped the old man onto the horse. He took the old man not ____ across the river, but to his destination.
As they neared the tiny but cozy cottage, the horseman’s ____ caused him to inquire, “Sir, I noticed that you let several other riders pass by. I’m curious ___ you would wait and ask the last rider. What if I had ____ and left you there?”
The old man replied, “I looked into the eyes of the other ___ and immediately saw there was no concern for my situation. It would have been ____ even to ask them for a ride. But when I looked into your eyes, kindness and compassion were ____. I knew your gentle spirit would _____ the opportunity to help me.”
Those heartwarming comments ____ the horseman deeply. “I’m most ____ for what you have said,” he told the old man. “May I ___ get too busy in my own affairs so that I fail to ____ to the needs of others with kindness and compassion.” with that, Thomas Jefferson turned his horse around and made his way back to the White House.
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阅读下面短文，掌握其大意，然后从1-20各小题所给的四个选项A、B、C和D中，选出一个最佳答案。
Sometimes people come into your life. You know that they will help you out who you are or who you want to become. You never know these people may be，possibly your roommate, neighbor, or even a complete stranger. But when you eyes with them, you know at that very moment they will your life in some way.
And sometimes things happen to you that may seem at first, 1but in reflection you find that without them you would have never your potential ability.
Everything happens for a . Nothing happens by chance or good luck. Illness, injury, love all occur to test the of your soul. Without these small tests, life would be like a road to nowhere. The people affecting your life, and the and failure you experience, help to create who you are and who you become. the bad experiences can be learned from, for they are the most important ones. If someone loves you, love them back unconditionally, because they are you to love. If someone hurts you, them, for they have helped you learn about and the importance of being cautious.
Make every day . Appreciate every moment, for you may never be able to _ __ it again. Tell yourself you are a great individual and yourself. Create your own life and then go out and live it with absolutely no . Most importantly, if you LOVE someone, tell him or her, for you never know what tomorrow may have in store.
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If you have ever been discouraged because of failure, please read on. For often, achieving what you set out to do is not the important thing. Let me explain.
Two brothers decided to dig a deep hole behind their house. As they were working, a couple of older boys stopped by to________. “What are you doing?” asked one of the visitors. “We plan to dig a hole all the way through the________!” one of the brothers volunteered ________ .
The older boys began to ________, telling the younger ones that digging a hole all the way through the earth was________. After a long silence, one of the________picked up a jar full of spiders, worms and many other kinds of insects. He ________the lid and showed the wonderful________to the scoffing（嘲笑的）visitors. Then he said quietly and ________, “Even if we don’t dig all the way through the earth, look at what we have found________the way!”
Their goal was far too ambitious, but it did cause them to dig. And that is________a goal is for — to cause us to move in the ________we have chosen, in other words, to keep us________! But not every goal will be fully ________ . Not every job will end ________. Not every hope will come to pass. Not every love will last. Not every dream will be ________. But when you fall________of your aim, perhaps you can say, “Yes, but look at what I found along the way! Look at the wonderful things________ my life because I tried to do something!” It is in the digging ________life is lived. And I believe it is the joy in the journey, in the end, that truly ________.
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阅读下面短文，掌握其大意，然后从1-20各题所给的四个选项（A、B、C和D）中，选出最佳选项。
I used to hate being called upon in class mainly because I didn’t like attention drawn to myself. And otherwise assigned（指定）a seat by the teacher, I always to sit at the back of the classroom.
All this after I joined a sports team. It began when a teacher suggested I try out for the basketball team. At first I thought it was a crazy because I didn’t have a good sense of balance, nor did I have the to keep pace with the others on the team and they would tease me. But for the teacher who kept insisting on my “ for it”, I wouldn’t have decided to give a try.
Getting up the to go to the tryouts was only the half of it! When I first started the practice sessions, I didn’t even know the rules of the game, much what I was doing. Sometimes I’d get and take a shot at the wrong direction—which made me feel really stupid. , I wasn’t the only one “new” at the game, so I decided to on learning the game, do my best at each practice session, and not be too hard on myself for the things I didn’t “just yet”.
I practiced and practiced. Soon I knew the and the “moves”. Being part of a team was fun and motivating. Very soon the competitive in me was winning over my lack of confidence. With time, I learned how to play and made friends in the — friends who respected my efforts to work hard and be a team player. I never had so much fun!
With my self-confidence comes more praise from teachers and classmates. I have gone from “ ” in the back of the classroom and not wanting to call attention to myself, raising my hand— even when I sometimes wasn’t and not 100 percent I had the right answer. Now I have more self-confidence in myself.
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