In an effort to control the budget, Beijing halted construction work on several venues, including the high-tech National Stadium, last month. "We stopped construction work mainly in order to make 题目和参考答案——青夏教育精英家教网—

题目内容

In an effort to control the budget, Beijing halted(暂停) construction work on several venues(会场), including the high-tech National Stadium, last month.

"We stopped construction work mainly in order to make our design perfect so that we can reduce costs," said BOCOG'S Executive Vice President Liu Jingmin. "But the new design will not affect the basic functions of the stadium,"he added.

Expectations for a best-ever Olympics have run high in China since Beijing won the hosting right to host the 2008 Olympic Games on July 13, 2001. But it is a more frightening and com-plicated task to hold the Olympic Games than winning the bid.

64. The purpose of writing the text is ________ .

A. to hold a Olympics of higher standard

B. to show that Beijing hasn't enough money

C. to reduce the costs of construction work

D. to make the Stadium's design worse

65. The underlined word "complicated" in the last paragraph means ________ .

A. 复杂的 B. 精确的C. 仔细的 D. 功能的

66. We can know from the passage that ________ .

A. Beijing is taking steps to speed up a few venues

B. Beijing is facing all kinds of difficulties with the project

C. the new design of the Stadium will be passed

D. the construction work in Beijing is under construction

CA D

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A Battery’s Nightmare

Portable electronics that can be carried about easily are only as good as their batteries (电池) and, let’s face it, batteries aren’t very good, especially when compared with, say, petrol, which packs 100 times a battery’s energy into an equal space. That’s why a large group of mechanical engineers (centered at the Massachusetts Institute of Technology, but with partners at other universities and companies) are hard at work in an effort to replace batteries with a tiny engine that runs on fuel. Imagine a battery-free life! When the fuel runs out in your mobile phone, you just fill up and go.

The engine---about the size of a ten-cent coin---starts with a combustion chamber (燃烧室) that burns hydrogen. Its tiny parts are etched (蚀刻) onto silicon wafers (硅片) in the same manner that computer parts are etched onto integrated circuits (集成电路). The first engine is made up of five wafers. And since these wafers could be produced in much the same way as computer chips, they could probably be produced quite cheaply.

But the devil in all this nice detail is efficiency. Tiny engine parts don’t always behave like the bigger parts of the first engine. Something between the parts can slow down the works, according to Columbia University Professor LucFrechette, one of the engine’s designers. Extreme heat from the combustion chamber is also a problem, often leaking to other parts of the engine.

The scientists’ goal is to create an engine that will operate 10 times better than batteries operate. Frechette says that a complete system, with all parts in place and working, will be set up in the next couple of years, but commercial models aren’t likely until at least the end of the next ten years.

According to the passage, the title suggests that _______ .

A. batteries should be greatly improved

B. petrol will be used instead of batteries

C. the time of batteries will be gone forever

D. pollution problems caused by batteries must be solved

What’s the meaning of the underlined word “devil” in paragraph 3?

A. Problem B. Advantage C. Invention D. Technique

What can we infer from the passage?

A. The new invention doesn’t need any fuel.

B. The new engine has been produced in large quantities.

C. The new invention is much cheaper than the battery.

D. The new engine needs to be improved before it’s on sale.

In many societies, there is often greater acceptance of light skin than dark skin. Light skin may be seen as a mark of beauty, intelligence and success. These beliefs can lead to social pressure even within the same racial or ethnic group, if some members are darker skinned than others.

The result is that skin lightening has become a common activity across Africa, Asia and other areas of the world. More and more people with dark skin are using skin-lightening products, even if they may face health risks.

They believe that having whiter skin will improve their lives. Many people think they will have a better chance of getting a job or marrying into a better family. Or they want to look like what their society generally considers beautiful.

Some beauty care products and soaps contain chemicals that make skin lighter. This process is also called bleaching. But some of the chemicals are extremely dangerous. One of the chemicals has been linked to kidney (肾) damage and some kinds of cancer. It also causes low birth weight in babies when mothers use it during pregnancy.

At first, bleaching products make the skin color lighter. But after long-term use they can cause problems. They can even make some skin darker. The chemicals in the products block and break down the natural process that gives color to skin. The skin loses its natural barrier to protect against sunlight. Then the skin can become thick and discolored. Usually the person will use more of the product in an effort to correct the problem, but this only makes it worse.

Fatimata Ly treats skin conditions in the Senegalese capital，Dakar. Doctor Ly says skin bleaching has become a problem throughout Senegal. She says the chemicals are now more dangerous because they are stronger. Some cases have resulted in blackened fingernails, infections and permanent skin damage.

And these are not the only risks. Experts say some people who change their skin color suffer emotional damage. They feel regret and sadness. They feel that instead of risking their health, they should have learned to love and accept their skin color as it was.

Which of the following words can replace the underlined word “bleaching”?

A. whitening B. changing C. lighting D. pleasing

Why has the skin lightening become a common activity all over the world?

A. There are many products that can make the dark skin light.

B. Many people with dark skin have no confidence.

C. Relatively speaking, light skin has more advantages over dark skin.

D. People with dark skin are forced by the pressure of their families.

According to the text the following are the risks using the bleaching products EXCEPT________.

A. blackened fingernails B. permanent skin damage

C. emotional damage D. a waste of time and money

From the text we can conclude the writer’s attitude toward using the bleaching products is probably ________.

A. supportive B. positive C. doubtful D. negative

NEW YORK CITY?A hurricane warning has been given for New York City．Forecasters say Hurricane Irene could cause widespread flooding, power failure and billions of dollars in damage．About 65 million Americans live in Hurricane Irene’s projected path —many of whom have been evacuated．
In New York City, Mayor Michael Bloomberg has ordered the city’s first-ever evacuation． Roughly 250,000 people have been told to leave their homes in low-lying areas, including the Wall Street financial district．
WASHINGTON D．C．—On Aug．24, 2011, Apple announced that Mr．Steve Jobs, who has battled cancer for several years, was stepping down as the CEO but would serve as chairman．
In January, he had announced that he was taking a medical leave of absence from Apple．In announcing his leave, he turned daily oversight of the company over to the chief operating officer, Timothy D．Cook, and it was Mr．Cook whom Apple named to succeed him as the next CEO of the company．
TRIPOLI—Opposition forces in Libya say they control more than 90 percent of the country．It is still not clear where Moammar Gadhafi is．The opposition has offered more than 1,600,000 dollars for his capture （逮捕）．The head of the opposition forces said his group supports a decision by local businessmen to provide the money in an effort to speed up the capture．Earlier Wednesday, government forces fired onto the former headquarters （总部） of Mr．Gadhafi, which is now controlled by opposition forces．Heavy fighting also continued near Tripoli’s airport and in a town of Zuara．
【小题1】The underlined word "evacuated" probably means ________．

A．sent away to safer places

B．gathered around to higher positions

C．flooded off to lower reaches

D．left behind to dangerous situations

【小题2】Who has been appointed as the new CEO of Apple?

A．Steve Jobs．	B．Michael Bloomberg．
C．Moammar Gadhafi．	D．Timothy

【小题3】From the news above, we know that in Libya _______．

A．the local businessmen have offered money to catch hold of Gadhafi

B．the opposition forces suffered a thorough defeat near Tripoli’s airport

C．the government forces are defending the headquarters of Mr．Gadhafi

D．the town ofZuara is the place where Moammar Gadhafi probably hides

For those who are tired of doing the laundry, Samsung has found an answer: a washing machine that can tell you when your laundry is done via a smartphone app (application).

Strange though it may seem — "my wife already does that" was a common response among attendees viewing the device when it was introduced at the Consumer Electronics Show (CES) this week — Samsung is just one of many appliance makers racing to install a large number of internet-connected features in machines in an effort to make them "smart".

Last year, it was a refrigerator that tweeted. This year, it's Wi-Fi-enabled laundry machines and fridges that can tell you when your groceries are going bad.

The washers and dryers, available starting in the spring, connect to any smartphone through a downloadable application. The phone can then be used as a remote control, so the machines can be turned on and off while their owner is at work or on the bus.

Samsung says it's not just something new — the app connection actually has some practical uses.

"If you started to dry clothes in the morning and forgot to take them out, you can go to your phone and restart your dryer for the time when come home, so your clothes are refreshed and ready to go." said spokesperson Amy Schmidt.

The company also says that with electricity rate (电价) varying depending on the time of day, more control over when the machines are used can help save money.

Perhaps, but what they will probably really accomplish is what all good technologies do — enable laziness. Rather than getting up to check on whether the laundry is done, users will instead monitor it on their phones while watching TV.

1. What can be inferred from the common response of the attendees at the CES?

A．The machine will be a big success.

B．their wives like doing the laundry.

C．The machine is unrelated to their life.

D．This kind of technology is familiar to them.

2.We can conclude from Samsung's statements that ________.

A．the app connection makes life easier

B．it is better to dry clothes in the morning

C．smartphone can shorten the drying time

D．we should refresh clothes back at home

3.What is the main idea of the last paragraph?

A．The laundry should be frequently checked

B．Lazy people like using such machines

C．Good technologies also cause problems

D．Television may help do the laundry

A Battery’s Nightmare

1.According to the passage, the title suggests that _______ .