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A tourist comes out of the airport．There are a lot of taxis，but the tourist asks every taxi—driver his name．He takes the third taxi．It costs￡5 from the airport to the hotel．“How much does it cost for the whole day?” the tourist asks．“￡100”，says the taxi-driver．This is very expensive，the tourist accepts the price．
The taxi—driver takes the tourist everywhere．He shows him all monuments and all the museums．In the evening they go back to the hotel．The tourist gives the taxi-driver￡100 and says，“What about tomorrow?” The taxi-driver looks at the tourist．“Tomorrow? It’s another￡ 100 tomorrow．”But the tourist says，“That’s OK．If that’s the price，that is the price．See you tomorrow．”The taxi—driver is very pleased．
The next day the taxi-driver takes the tourist everywhere again．They visit all the museums and all the monuments again．And in the second evening they go back to the hotel．The tourist gives the taxi—driver another￡100 and says，“I’m going home tomorrow．”The taxi-driver is sorry．He likes the tourist and，above all，￡100 a day is good money．“So you are going home．Where do you come from?” he asks．
“I come from New York．”
“New York!” says the taxi-driver，“I have a sister in New York．Her name is Susannah．Do you know her?”
“Of course 1 know her．She gave me￡200 for you．”
The tourist is______ ．
A．an Englishman B．a Frenchman C．a Swedish D．an American
The tourist asks every taxi—driver his name because______ ．
A．he is afraid of being cheated B．he wants to remember all of the taxi—drivers’names
C．he knows of one of the taxi-drivers D．there is a friend of his among the taxi drivers
Why is the taxi-driver very pleased with the tourist?
A．None but the tourist agrees to the price given without arguing with him．
B．His sister knows the tourist．
C．His sister has brought so much money to him．
D．He wants to be the guide of the tourist．
We can conclude that ______ ．
A．the tourist will give the taxi-driver another￡200
B．the tourist makes fun of the taxi—driver
C．the tourist will give the taxi—driver half of the sum
D．the taxi-driver insists that the tourist should pay him another￡200
查看习题详情和答案>>A black hole is created when a large star burns out. Like our sun, stars are unbelievably hot furnaces(熔炉) that burn their own matter as fuel. When most of the fuel is used up, the star begins to die.
The death of a star is not a quiet event. First there is a huge explosion. As its outer layer is blasted off into space, the dying star shines as brightly as a billion suns.
After the explosion gravity pulls in what’s left of the star. As the outside of the star sinks toward the center, the star gets smaller and smaller. The material the star is made of becomes tightly packed together. A star is so dense that a teaspoon of matter from it weighs billion of pounds.
The more the star shrinks, the stronger the gravity inside it becomes. Soon the star is very tiny, and the gravity pulling it in is unbelievably strong. In fact, the gravity is so strong that it even pulls light into the star! Since all the light is pulled in, none can go out. The star becomes black when there is no light. Then a black hole is born!
That’s what we know about black holes. What we don’t know is this: What happens inside a black hole after the star has been squeezed into a tiny ball? Does it keep getting smaller and smaller forever? Such a possibility is hard to imagine.
But if the black hole doesn’t keep shrinking, what happens to it? Some scientists think black holes are like doorways to another world．They say that as the star disappears from our universe, it goes into another universe. In other words a black hole in our universe could turn into a “white hole” in a different universe. As the black hole swallows light, the white hole shines brightly — somewhere else. But where? A different place, perhaps, or a different time — many years in the past or future.
Could you travel through a black hole? Right now, no. Nothing we know of could go into a black hole without being crushed．So far the time being, black hole must remain a mystery.
Black holes are a mystery—but that hasn’t stopped scientists from dreaming about them. One scientist suggested that in the future we might make use of the power of black holes. They would supply all of Earth’s energy needs, with plenty to spare. Another scientist wondered if a black hole could some day be used to swallow earthly waste—a sort of huge waste disposal (处理) in the sky!
When the star begins to die ______.
A．there is no fuel left in it B．its outer layer goes into space first
C．a huge explosion will happen D．it doesn’t give off light any longer
Which of the following doesn’t help produce a black hole?
A．The gravity inside the star is very strong.
B．The light can’t go out of the star.
C．The star becomes smaller and smaller
D．The dying star shines very brightly.
The black hole ______.
A．continues becoming smaller and smaller all the time
B．goes into another universe and becomes a white hole
C．can pull in everything we know of in the world
D．will appear at another place at a different time
What’s the best title for this passage?
A．A New Scientific Discovery: Black Holes
B．How Do Black Holes Come Into Being?
C．What Are Black Holes?
D．Travel Through A Black Hole
查看习题详情和答案>>It's impossible for all the people to get jobs because _____of them are not fit for them.
A. none B. all C. not all D. every one
查看习题详情和答案>>“A lot of learning comes through play,” says Mardy McGarry, 52, who has been a special education teacher for 28 years. But her students were too often left out. She had seen the wood chips and sand of traditional playgrounds stop wheelchairs dead in their tracks. When she wanted to build a playground for children with special needs，she knew it wouldn’t take long to develop interest in it around the small fishing village. But she never expected that 2,800 people — a third of the town—would all be willing to make a great effort to bring her vision to life.
McGarry started doing some research into play equipment and contacting design companies and she also found a piece of land available. When the city council(市议会) agreed to set aside an area for a playground, she also asked physical and professional therapists(治疗专家) for their investment. And she turned to her friend, Sue, for help. “Neither of us is good at maths, which is why $450,000 didn’t sound like a lot of money,” McGarry says of the initial estimate.
Her Kiwanis Club came through with $7,000，and that’s when the grassroots movement really got started. One woman gave $25,000 and had her company match it. Soon, smaller businesses were joining in. There was a silent effort to collect money. The local Pieper Family Foundation offered to donate half of the remaining $170,000. All McGarry needed was 500 volunteers to work six 12-hour days.
On September 16, 2008, the first day of construction, they came. Two women heard about the project on the way to work and took the day off to help. A couple in their 80s operated their tractors. Ten-year-olds cleared up the mess. “None of them was paid. It was truly an amazing week,” says McGarry. Only three building managers were paid. Volunteers with “building experience” became coordinators(协调人); those who could operate power tools formed a separate group. One team served meals donated from local restaurants and churches, and another organized activities for the children of volunteers.
Today, Possibility Playground is one of the most popular destinations in Ozaukee County. All children, including the ones with special needs, play shoulder to shoulder. “Some playgrounds have special equipment in a different section. Here, you see all the kids in the same playground, all having fun.”
It’s exactly what McGarry imagined. “People used to ask, ‘Why do you want to build a playground just for children with disabilities?” She says, “It’s only when you build a playground for children with disabilities that you build one for all children.”
It didn’t occur to Mardy McGarry that __________.
A. her plan would soon draw the interest of people in the small village
B. so many people would volunteer to help her realize her dream
C. she would meet with so many difficulties in raising funds
D. the playground would be the most popular destination in Ozaukee County
We can learn from the fourth paragraph that __________.
A. the playground was finished in September 2008
B. everything was well prepared, apart from the volunteers
C. everyone worked unpaid, except for three building managers
D. the playground is so popular that it is overcrowded all the time
It can be inferred from the text that __________.
A. Mardy McGarry is a famous architect in the small town
B. Sue was forced to join in the project because of her son
C. people always ignore the real needs of disabled children
D. Mardy McGarry’s vision has been successfully accomplished at last
What would be the best title for this text?
A. Mardy McGarry: A Woman with Great Determination.
B. Cooperation: The Greatest Power in Overcoming Any Difficulty.
C. Show Real Concern for Poor Disabled Children.
D. Make it Matter to Build a Playground for Disabled Children.
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