When Julio Diaz stepped off the subway after work one night, he was simply planning to go to his favorite local diner for a meal. But when a teenage boy approached him with a knife, Diaz knew the evening was about to take a more dramatic(巨大而突然的) turn.
The young man demanded Diaz’s wallet, and Diaz passed it over without objection(异议). But just as he turned to walk away, Diaz called, “Hey, wait a minute. You forgot something.”
The young man turned around, surprised.
“If you’re going to rob people for the rest of the night, you might as well take my coat to keep warm.”
The teenager looked at Diaz in disbelief, and asked why he would do such a thing. Diaz replied, “If you’re willing to risk your freedom for a few dollars, I guess you must really need the money.”He said he was heading out for dinner, and that he would be happy to take someone with him.
The young man decided to take Diaz up on his offer. As they were sitting at the table, the manager, dishwashers and waiters all stopped over to say hello to Diaz, and the young man was amazed at his popularity.
“Haven’t you been taught that you should be nice to everybody?”Diaz asked him.
“Yeah, but I didn’t think people actually behaved that way,” the teenager replied. Thanks to Diaz, he was beginning to see that kindness wasn’t so strange, after all.
When the bill came, Diaz told the teen that he’d have to get the check. After all, he still had Diaz’s wallet.
But the teenager put the wallet on the table without a moment’s thought, and Diaz treated him to dinner. Diaz also gave the would-be robber a $20 bill — in exchange for his knife. “I figure, you know, if you treat people right, you can only hope that they treat you right,” Diaz said.When a teenage boy approached him with a knife, Diaz was on his way ________.
| A．to the subway station. | B．to his workplace. |
| C．to have a meal. | D．to see a drama. |
The young man felt surprised when Diaz ________.
| A．stepped off the subway platform |
| B．passed the wallet over without objection |
| C．called him to wait for a moment |
| D．invited him to have dinner together |
The underlined part “take Diaz up on”can be replaced by “________”.
| A．follow | B．understand | C．check | D．accept |
The teenager gave the wallet back to Diaz maybe because _________.
| A．Diaz was so popular with people in the restaurant |
| B．he began to realize people should be nice to others |
| C．Diaz had to pay for the meal they had together |
| D．he had been given a $20 bill to take with him |
Diaz possibly felt _________ during the whole night.
| A．relaxed and happy | B．worried and helpless |
| C．angry and scared | D．surprised and anxious |
Scientists have long understood the key role that oceans play in regulating the Earth’s climate. Oceans cover 70 percent of the globe and store a thousand times more heat than the atmosphere does. What’s newer is the understanding of how this key component of our climate system responds to global warming.
A brake on global warming — for now
One of oceans’most important climate functions is absorbing heat and carbon dioxide (CO2), one of the gases that cause global warming. Acting as a heat sponge (海绵), oceans have absorbed huge amounts of heat and CO2 in the last forty years.
Fujita explains that "oceans are saving us from faster climate change — they are a big flywheel that delays rapid overheating of the Earth, putting a brake on the climate system."
"That’s the good news," he adds. "The bad news is that oceans only slow the atmospheric warming. Once oceans come to balance with a greenhouse gas warmed earth, the extreme heat will remain in the atmosphere and things will get much hotter." But where and how oceans release this accumulated (积累的) heat is uncertain. And as oceans store heat, fragile underwater ecosystems are struggling.
The most recent scientific report from the Intergovernmental Panel on Climate Change (IPCC) also notes with concern that oceans are acidifying because of increased absorption of atmospheric CO2, and thus causing a threat for shell-forming species. Sharp increases in carbon dioxide levels will cause further acidification of oceans.
Currents distributing heat
Another important role oceans play is that of distributor. Oceans deliver heat and life-sustaining nutrients around the globe. Just as blood vessels bring oxygen and nutrients to cells in the human body, oceans’ currents carry oxygen, nutrients and heat throughout the Earth. Oceans distribute 25 percent to 50 percent of the energy the planet receives from the sun. For example, the Gulf Stream carries heat across the Atlantic. This warm current gives northwestern Europe a milder climate than it would normally have so far north. A change to oceans’ circulation (循环) patterns could throw Europe into a colder period, even as the rest of world experiences warmer temperatures.
This passage mainly talks about .
A.the roles of oceans B.global warming
C.ocean currents D.carbon dioxide
Arriving in Sydney on his own from India, my husband, Rashid, stayed in a hotel for a short time while looking for a house for me and our children.
During the first week of his stay, he went out one day to do some shopping. He came back in the late afternoon to discover that his suitcase was gone. He was extremely worried as the suitcase had all his important papers, including his passport.
He reported the case to the police and then sat there，lost and lonely in a strange city, thinking of the terrible troubles of getting all the paperwork organized again from a distant country while trying to settle down in a new one.
Late in the evening, the phone rang. It was a stranger. He was trying to pronounce my husband’s name and was asking him a lot of questions. Then he said they had found a pile of papers in their trash can（垃圾桶）that had been left out on the footpath.
My husband rushed to their home to find a kind family holding all his papers and documents. Their young daughter had gone to the trash can and found a pile of unfamiliar papers. Her parents had carefully sorted them out, although they had found mainly foreign addresses on most of the documents. At last they had seen a half-written letter in the pile in which my husband had given his new telephone number to a friend.
That family not only restored the important documents to us that day but also restored our faith and trust in people. We still remember their kindness and often send a warm wish their way.
Which of the following can be the best title for the text?
| A．From India to Australia. |
| B．Living in a New Country. |
| C．Turning Trash to Treasure. |
| D．In Search of New Friends. |
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It includes a section for parents and teachers showing you how to use this book with children. Buy this book and give it to your children to unlock their education. What’s more, you will just pay 50% for it before May 1, 2014.
The purpose of the passage is to _______.
| A．show readers how to use the four books |
| B．help children to learn English |
| C．enrich students knowledge about nature |
| D．sell the four books to students. |
More and more people are taking their iPads to bed with them to surf the web, check facebook or send e-mails before switching off the light. But researchers are warning that the blue light their screens give off can stop users getting a good night’s sleep. That is because this type of light is similar to daylight, convincing the brain that it is still daytime. Blue light prevents the production of a brain chemical called melatonin, which helps us fall asleep. By contrast, light which is more orange or red does not prevent melatonin production, perhaps because our brains recognize it as a cue that the day ends.
Scientists have known for years that staring at screens late in the evening can affect sleep ---- they are television screens, computer screens or mobile phone screens. However, because mobiles and iPads are by nature portable ---- not to say addictive ---- more people are taking them into the bedroom. Users also tend to hold them much closer to their eyes than a computer or television screen.
Researchers are warning that looking at iPad displays for more than two hours leads to lower natural melatonin levels as the devices give off blue light. They say, “Turning off the devices at night is the final solution. But if you have to use these devices at night, dim the display to cut down irritation of the eyes and limit the time you spend on them before bed.”
They wrote in the journal Applied Ergonomics(应用人类工程学) that iPad makers should adjust the spectral power distribution(光谱功率分布) of the devices so that they affect the sleep patterns of users less.
It is not just a good night’s sleep that could be harmed by too much late night screen time. Researchers know that long-term harm to sleep patterns can lead to an increased risk of obesity and even cancers.
What’s the main idea of the passage?
| A．Scientists are warning that blue light is bad for our health. |
| B．People should limit the use of electronic devices |
| C．Using iPads before bed can cause a poor night’s sleep. |
| D．Looking at screens of iPads increase chances of sleeplessness. |
Will Nanfang University of Science and Technology in Shenzhen announce a new beginning for China’s higher education reform? It’s too early to answer. But its presence is challenging the Ministry of Education. Even without the approval of the ministry it seems that the school is determined to move forward and enroll 50 students, so-called child prodigies(奇才), to begin classes on March l, 2011.On graduating in 2015, these students will receive a diploma unauthorized by the Ministry of Education----unlike the students of their age from the state-run universities.
The school is committed to modeling itself on Hong Kong University of Science and Technology, but if the government will not approve the school, the situation could cause a lot of trouble for those 50 students if they want to do graduate studies at other higher learning institutions. Other schools could turn their applications down for their unauthorized diplomas.
The difficulties, however, have not frightened students and their parents away. On Dec.18, 2010 more than 1,000 students and their parents visited Nanfang University of Science and Technology for interviews.
Private investment marks the school out from other higher learning institutions in the nation. Not a penny comes from the government. So the government will have no voice in how the school will be run.
The Ministry of Education has published a comprehensive plan for education reform and development between 2011 and 2020.The goal is to make China’s higher education internationally competitive. To accomplish this goal, the government should have the courage to let the educators who have big ideas try them out. The ministry should have applauded the independence. The school in Shenzhen has shown and encouraged more to do likewise.
Education reform in China has reached a new and crucial stage. Nanfang University of Science and Technology has a long way to go to prove itself competitive rather than a diploma mill.
What is the best title of the passage?
| A．University of New Style. |
| B．China’s Education Reform. |
| C．Modeling Hong Kong University. |
| D．Authorized or Not? |