Steve Jobs, Apple’s chief executive, made his first public appearance since going on medical leave six weeks ago, taking the stage at a San Francisco media event to introduce the iPad 2, the second generation of the company’s tablet computer.
Thin but energetic, Mr. Jobs showed off a thinner iPad. “ We’ve been working on this product for a while and I just didn’t want to miss this day,” he said.
His absence has concerned investors, especially since the group has given no details of his condition. He was diagnosed with cancer in 2004 and had a liver transplant during almost six moths of medical leave in 2009. People close to him said last month his health had been changing.
Apple’s stock rose more than 2 percent in the minutes after Mr. Jobs began speaking, then gave up some of its gain as he detailed the iPad 2.
The iPad 2 will go on sale in black and white versions in the US on March 11 and in 26 other countries, including the UK and Germany, on March 25. The table is Apple’s biggest product launch since the iPhone three years ago, and is comparable to the iPhone as the most expected in Apple’s history.
Most of the improvements in the latest version had been expected, including front and rear-facing video, which allows video conferencing between iPads, Mac computers and the most recent iPhones and iPods, a larger speaker, a faster processor and other upgrades. The iPad 2 is one-third thinner than the original tablet and slightly lighter, with a 9.7-inch touchscreen. It can run movies, books, games and a complete range of applications. In the US it will work with AT&T and Verizon, the top two mobile carriers. The pricing will be the same to the 2010 iPad at its introduction, ranging from $499 to $829 in six models. But Apple dropped prices on the older iPad on Wednesday by $100 across the board.
Apple has made the most of its year-long head start in tablets, selling 15,000,000 units of the older iPad last year and taking about 85 percent of the market. Forrester predicted that the iPad 2 would clain 80 percent of the US market this year, or 20,000,000 out of 24,000,000 total shipped. This prediction was based on both the technical improvements to the iPad 2, and the distribution difficulties and higher prices for Apple’s rivals.
Motorola, BlackBerry maker Research in Motion, Samsung and others have brought out competing tablets, many based on Google’s Android software.
Mr. Jobs said the rest of the field was still catching up with the first iPad and their markets for applications designed for tablets had, at best, 100 small programs. This compares with 65,000 on Apple’s applications store.Why are the investors of Apple worried according to the text?
| A．Apple’s stock price changes a lot |
| B．Steve Jobs’ health condition is not stable |
| C．The iPad 2 has some technical drawbacks |
| D．Apple faces strong competition from other companies. |
In what respect are the iPad 2 and the 2010 iPad exactly alike?
| A．the weight | B．the speaker |
| C．the thickness | D．the pricing at the introduction |
How many tablet computers were sold in the market last year?
| A．about 15,000,000 | B．about 17,000,000 |
| C．about 20,000,000 | D．about 24,000,000 |
What makes Apple’s tablets superior to the competing tablets of other companies?
| A．the low price |
| B．the Android software |
| C．the full kinds of models |
| D．the tens of thousands of applications |
What is the best title for the text?
| A．Jobs on Stage to Introduce iPad 2 |
| B．iPad 2 Better than the Original |
| C．Best Applications for iPad 2 |
| D．iPad 2 vs. Competitors |
Educating girls quite possibly harvests a higher rate of return than any other investment available in the developing world. Women's education may be an unusual economical field, but increasing women's contribution to development is actually as much an economic as a social issue. And economics, with its focus on encouragement, provides an explanation for why so many girls are rid of an education.
Parents in low-income countries fail to invest in their daughters because they do not expect them to make an economic contribution to the family: girls grow up only to marry into somebody else's family and bear children. Girls are thus seen as less valuable than boys and are kept at home to do housework while their brothers are sent to school -- the prophecy (观念) becomes self-fulfilling, trapping women in a vicious (恶性的) circle of neglect.
An educated mother, on the other hand, has greater earning abilities outside the home and faces an entirely different set of choices. She is likely to have fewer but healthier children and can insist on the development of all her children, ensuring that her daughters are given a fair chance. The education of her daughters then makes it much more likely that the next generation of girls, as well as of boys, will be educated and healthy. The vicious circle is thus transformed into a virtuous circle.
Few will argue that educating women has great social benefits. But it has enormous economic advantages as well. Most obviously, there is the direct effect of education on the wages of female workers. Wages rise by 10 to 20 per cent for each additional year of schooling. Such big returns are impressive by the standard of other available investments, but they are just the beginning. Educating women also has a significant effect on health practices, including family planning.
Topic: The significance of female (1)______________ in developing countries
| Viewpoint |
Educating girls is more beneficial and worthy of being (2)_______________ . |
|
| Families |
From low-income families |
From educated mothers' families |
| Attitudes |
Girls are of less (3)______________ than boys. |
Development should be for all the (4)______________. |
| Practices |
There is (5)________________ investment in daughters, while boys are sent to school. Girls are made to stay at home, (6)______________ housework. |
It is insisted that girls and boys be offered chances to be educated (7)_____________ . |
| Consequences |
A vicious circle |
A virtuous circle |
| Significance |
Educating women (8)___________ to social benefits, has economic advantages and (9)____________ health practices significantly, including family planning. |
|
| (10)_________ |
Educating girls in developing countries is important and rewarding. |
American researchers say drinking tea may help strengthen the body’s defense system against infection. Doctors at Brigham and Women’s Hospital in Boston, Massachusetts, did the study. The team studied a chemical found in black, green, oolong and pekoe tea. This chemical is an amino acid called L-theanine. The scientists say it may increase the strength of gamma delta T cells. That’s the letter T, not the drink. Gamma delta T cells are part of the body’s defense.
First, the researchers mixed some of these cells with antigens found in the amino acid(氨基酸). Antigens help the body react to infection. Then the scientists added some bacteria. Within twenty-four hours, the cells produced a lot of interferon, a substance that fights infection. Cells not mixed with the antigens did not produce interferon.
In the second part of the study, eleven people drank five to six cups of black tea every day. Ten other people drank the same amount of instant coffee. That is dried coffee mixed with hot water.
Two weeks later, and again two weeks after that, the researchers tested the blood of all twenty-one people. They also looked at what happened when they added bacteria to the blood cells. They found that the tea drinkers produced five times more interferon after they started drinking tea. The coffee drinkers did not produce interferon.
Doctor Jack Bukowski led the study. He says the antigens added to the gamma delta T cells were responsible for the increased reaction to the bacteria. He says that the study also showed that the cells were able to remember the bacteria and fight them again the next time.
Earlier research already has found that tea can help prevent heart disease and cancer. Doctor Bukowski says the new study must be repeated by more people. “If the findings prove to be true,” he says, “then tea drinking might also help protect against bacterial infections.” He says the amino acid L-theanine could be removed from the tea and used as a drug to strengthen the body’s defenses.We may know from the text that ______ can be found in different kinds of tea.
| A．L-theanine | B．Gamma delta T cells |
| C．interferon | D．bacteria |
Tea may help strengthen the body’s defense system because it helps ______.
| A．to add some bacteria to the blood cells |
| B．the body to produce more gamma delta T cells |
| C．the body to produce more interferon |
| D．to mix antigens with some of the cells in the body |
According to Dr Bukowski, ______.
| A．the findings of the study have already proved to be true |
| B．further study is needed to prove the findings true |
| C．he has taken some amino acid L-theanine from tea and made a drug with it |
| D．he is not sure whether tea help prevent heart disease and cancer |
What would be the best title for this text?
| A．Tea Is Better than Coffee | B．Our Body Needs Tea |
| C．Tea Can Help Prevent Cancer | D．Tea May Help Fight Infection |
A mouse looked through a crack in the wall to see the farmer and his wife opening a package: What food might it contain? He was astonished to discover that it was a mouse trap!
Retreating to the farmyard, the mouse declared the warning, “There is a mouse trap in the house, there is a mouse trap in the house.”
The chicken clucked and scratched, raised her head and said, “Mr Mouse, I can tell you this is a grave concern to you, but it is of no consequence to me, I cannot be bothered by it.”
The mouse turned to the pig and told him, “There is a mouse trap in the house.” “I am so sorry, Mr Mouse,” sympathized the pig, “but there is nothing I can do about it but pray; be assured that you are in my prayers.”
The mouse turned to the cow, who replied, “A mouse trap, am I in grave danger, huh?”
So the mouse returned to the house, head down and depressed to face the farmer’s mouse trap alone.
That very night a sound was heard throughout the house, like the sound of a mouse trap catching its prey. The farmer’s wife rushed to see what was caught. In the darkness, she did not see that it was an evil snake whose tail the trap had caught. The snake bit the farmer’s wife. The farmer rushed her to the hospital. She returned home with a fever. Now everyone knew to treat a fever with fresh chicken soup, so the farmer took his hatchet to the farmyard for the soup’s main ingredient. His wife’s sickness continued so that friends and neighbors came to sit with her around the clock. To feed them, the farmer butchered the pig. The farmer’s wife did not get well, in fact, she died, and so many people came for her funeral. The farmer had the cow slaughtered to provide meat for all of them to eat.
So the next time you hear that someone is facing a problem and think that it does not concern you, remember that when the least of us is threatened, we are all at risk.We may infer that the passage is most probably a ______.
| A．fairy tale (神话) | B．Fable (寓言) | C．science fiction | D．news report |
We could see from the passage that the mouse was ______.
| A．kind and warm-hearted | B．well-informed |
| C．good at cheating others | D．foolish and rude |
The underlined word “ingredient” (Paragraph 7) refers to ______.
| A．the mouse | B．the pig | C．the snake | D．the chicken |
What can we learn from the story?
| A．Better safe than sorry. |
| B．Traps are usually well disguised. |
| C．To help others is just to save you. |
| D．To keep the balance of nature is the duty of us all. |
Five years ago, David Smith wore an expensive suit to work every day. “I was a clothes addict(迷),” he jokes. “I used to carry a fresh suit to work with me so I could change if my clothes got wrinkled(皱的).” Today David wears casual clothes — khaki pants and a sports shirt — to the office. He hardly ever wears a necktie. “I’m working harder than ever,” David says, “and I need to feel comfortable.”
More and more companies are allowing their office workers to wear casual clothes to work. In the United States, the changes from formal to casual office wear have been slow. In the early 1990s, many companies allowed their workers to wear casual clothes on Friday(but only on Friday). This became known as “dress-down Friday” or “casual Friday”. “What started out as an extra one-day-a-week benefit for workers has really become an everyday thing,” said business adviser Maisly Jones.
Why have so many companies started allowing their workers to wear casual clothes? One reason is that it's easier for a company to attract new workers if it has a casual dress code. “A lot of young people don't want to dress up for work,” says the owner of a software company, “so it's hard to hire people if you have a conservative dress code.” Another reason is that people seem happier and more productive when they are wearing comfortable clothes. In a study made by Levi Strauss and Company, 85 percent of employers said that casual dress has a side effect on work. Supporters of casual office wear also say that a casual dress code helps them save money. “Suits are expensive, if you have to wear one every day,”one person said. “For the same amount of money, you can buy a lot more casual clothes.”David Smith refers to himself as having been “a clothes addict” because ______________.
| A．he often wore khaki pants and a sports shirt |
| B．he couldn't stand a clean appearance |
| C．he wanted his clothes to look tidy and clean all the time |
| D．he didn’t want to spend much money on clothes |
David Smith wears casual clothes now, because ______________.
| A．they make him feel at ease when working |
| B．he cannot afford to buy expensive clothes |
| C．he looks handsome in casual clothes |
| D．he no longer works for any company |
According to this passage, which of the following is TRUE?
| A．Company workers started to dress down about twenty years ago. |
| B．Dress-down has become an everyday phenomenon since the early 1990s. |
| C．“Dress-down Friday” was first given as a favor from employers. |
| D．Many workers want to wear casual clothes to impress people. |
In this passage, the following advantages of casual office wear are mentioned EXCEPT ______________.
| A．saving worker’s money | B．making workers more attractive |
| C．improving worker’s feeling | D．making workers happier |
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Mail coupon today! Or call the number below 1-800-372-1589. Call any time, 24 hours a day, 7 days a week. www. Harcourt-learning. com E-mail：Harcourt＠learning. com.This advertisement aims at calling on people to ________.
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What does the writer of this ad intend to say by naming General Electric, IBM, Ford, etc.?
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How many ways are mentioned in the ad for people to get in touch with the Harcourt Learning Direct?
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