单选题Mortgage A house is the most expensive thing most people will ever buy. Very few people have enough money of their own to buy a home, so they have to borrow money from a bank. Borrowing money from a bank to buy a house is called "take a mortgage." The bank usually lends money or gives a mortgage for twenty-five years. Houses are so expensive that many people nowadays have to borrow as much as $ 50, 000. In other words, they will have a $ 50, 000 mortgage. How can you get a mortgage? When you find a house you like, you go to a bank. The bank will research you financial history and decide if. They think you are a good risk. They will want to know what kind of job you have, what kind of salary you make, and how long you have had the job. They will also want to know how much money you have. In addition, the banks will require a down payment. Depending on which state you live in, the bank may require as much as 30% of the-price of the house as a down payment. The bank will then lend you the rest of the money to buy the house. Many people are never able to buy a house because they cannot save enough money for the down payment.

单选题Though chess players may now compete against computers, they still follow rules that were used over 800 years ago.A. come afterB. abide byC. reciteD. allow

单选题Our party is perfect with our great efforts.A. excellentB. normalC. commonD. casual

单选题下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提的是正确信息，请选择A；如果该句提的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。 Breast Cancer Deaths Record Low The number of women dying from breast (乳房) cancer has fallen to a record low by dropping under 12,000 a year for the first time since records began. The Cancer Research UK data showed that 11,990 women died in the UK in 2007. The previous lowest figure had been recorded in 1971 -- the year records began -- after which it rose steadily year by year until the late 1980s. Professor Peter Johnson, Cancer Research UK's chief clinician, said: "It's incredibly encouraging to see fewer women dying from breast cancer now than at any time in the last 40 years, despite breast cancer being diagnosed more often. " "Research has played a crucial role in this progress leading to improved treatments and better man agement for women with the disease. " "The introduction of the NHS (国民保健制度) breast screening program has also contributed as women are more likely to survive the earlier cancer is diagnosed. " Breast cancer is now the most common cancer in the UK with 45,500 women every year diagnosed with the disease -- a 50% rise in 25 years. The number of deaths peaked in 1989, when 15,625 women died. It then fell by between 200 and 400 deaths each year until 2004. There was a slight rise in 2005 and then two years of falls. Dr. Sarah Cant, policy manager at Breakthrough Breast Cancer, said: "It is great news that fewer women are dying from breast cancer and highlights the impact of improved treatments, breast screening and awareness of the disease. " "However, this is still too many women and incidence (发生率) of the disease is increasing year by year. " The rising rate of breast cancer diagnosis has been put down to a variety of factors including obesity (肥胖) and alcohol consumption.

单选题The bad news {{U}}upset{{/U}} me very much. A.disturbed B.saddened C.angered D.disappointed

单选题While we don"t agree, we continue to be friends.

单选题According to Paul Kleihues, cancer was once regarded as

单选题A great deal has been done to {{U}}remedy{{/U}} the situation

单选题{{B}}第三篇{{/B}} {{B}}Is the News Believable?{{/B}} Unless you have gone through the experience yourself, or watched a loved one's struggle, you really have no idea just how desperate cancer can make you. You pray, you rage, you bargain with God, but most of all you clutch at any hope, no matter how remote, of a second chance at life. For a few excited days last week, however, it seemed as if the whole world was a cancer patient and that all humankind had been granted a reprieve (痛苦减轻). Triggered by a front-page medical news story in the usually reserved New York Times, all anybody was talking about — on the radio, on television, on the Internet, in phone calls to friends and relatives — was the report that a combination of two new drugs could, as the Times put it, "cure cancer in two years." In a matter of hours patients had jammed their doctors' phone lines begging for a chance to test the miracle cancer cure. Cancer scientists raced to the phones to make sure everyone knew about their research too, generating a new round of headlines. The time certainly seemed ripe for a breakthrough in cancer. Only last month scientists at the National Cancer Institute announced that they were halting a clinical trial of a drug called tamoxifen (他莫昔芬) — and offering it to patients getting the placebo (安慰剂) — because it had proved so effective at preventing breast cancer (although it also seemed to increase the risk of uterine (子宫的) cancer). Two weeks later came the New York Times' report that two new drugs can shrink tumors of every variety without any side effects whatsoever. It all seemed too good to be true, and of course it was. There are no miracle cancer drugs, at least not yet. At this stage all the drug manufacturer can offer is some very interesting molecules, and the only cancers they have cured so far have been in mice. BY the middle of last week, even the TV talk-show hosts who talked most about the news had learned what every scientist already knew: that curing a disease in lab animals is not the same as doing it in humans. "The history of cancer research has been a history of curing cancer in the mouse," Dr. Richard Klausner, head of the National Cancer Institute, told the Los Angeles Times. "We have cured mice of cancer for decades — and it simply didn't work in people."

单选题We"ve seen a marked shift in our approach to the social issues.

单选题For young children, getting dressed is a complicated business.

单选题Unlike the common cold, flu tends to start Uabruptly/U.

单选题It is {{U}}prudent{{/U}} to start any exercise program gradually at first. A. workable B. sensible C. possible D. feasible

单选题Numerous parallels exist between Ernest Hemingway's life and the lives of his characters. A. studies B. problems C. similarities D. biases

单选题He impressed all his colleagues as a vigorous man in the prime of his career. A. hot-tempered B. healthy C. friendly D. patient

单选题The rainfall of the Hawaiian Islands varies tremendously according to their topography and orientation to the prevailing winds.A. seasonablyB. surprisinglyC. greatlyD. inversely

单选题The story was very Utouchinq/U.

单选题Water Pollution The demand for freshwater rises continuously as the world's population grows. From 1940 to 1990, withdrawal of fresh water from rivers, lakes, reservoirs, and other sources has increased fourfold. Of the water consumed each year, 69 percent is used for agriculture, 23 percent for industry, and 8 percent for domestic uses. Sewage, industrial wastes, and agricultural chemicals such as fertilizers and pesticides are the main causes of water pollution. In 1995, the US Environmental Protection Agency (EPA) reported that about 37 percent of the country's lakes and estuaries, and 36 percent of its rivers. are too polluted for basic uses such as fishing or swimming, during all or part of the year. In developing nations, over 95 percent of urban sewage is discharged untreated into rivers and bays, creating a major human health hazard. Water runoff carries fertilizing chemicals such as phosphates and nitrates from agricultural fields and yards into lakes, streams, and rivers. These combine with the phosphates and nitrates from sewage to speed the growth of algae, a type of aquatic plant. The water body may then become choked with decaying algae, which severely depletes the oxygen supply. This process can cause the death of fish and other aquatic life. Runoff also carries toxic pesticides and urban and industrial wastes into lakes and streams. Erosion, the wearing away of topsoil by wind and rain, also contributes to water pollution. Soil and silt washed from logged hillsides, plowed fields, or construction sites, can clog waterways and kill aquatic vegetation. Even small amounts of silt can eliminate desirable fish species. " For example, when logging removes the protective plant cover from hillsides. rain may wash soil and silt into streams, covering the gravel beds that trout or salmon use for spawning. The marine fisheries supported by ocean ecosystems are an essential source of protein, particularly for people in developing countries; approximately 950 million people worldwide consume fish as their primary source of protein. Yet pollution in coastal bays, estuaries. and wetlands threatens fish stocks already depleted by overfishing. In 1989, 260,000 barrels of oil was spilled from the oil tanker Exxon Valdez into Alaska's Prince William Sound, a pristine and rich fishing ground. In 1992 there were 8,790 reported spills in and around US waters, involving 5.7 million liters (1.5 million gallons) of oil.

单选题The problem with normal flu vaccines is that influenza viruses are notorious "shapeshifters," says Dr. Jay Butler, director of the CDC's H1N1 Vaccine Task Force. They mutate (突变) rapidly and can even exchange genes with other strains of flu. However, federal officials knowfrom monitoring H1N1 in the Southern Hemisphere this summer that the virus has been unusually stable. Therefore the immune response generated by the vaccine should match the circulatingstrain of swine flu. "The vaccine will be effective," says Butler. Federal officials have found that H1N1 virusA. notorious "shape shifters".B. has been very stable.C. has mutated rapidly.D. has exchanged genes with other viruses.

单选题The flower bud of a water lily opens at sunset since its opening is triggered by the decreased light.A. alleviatedB. enduredC. set offD. covered up