单选题She alwaysU finds fault with /U everything．

单选题We have got to abide by the rules.

单选题 New US Plan for Disease Prevention Urging Americans to take responsibility for their health, Health and Human Services Secretary Tommy Thompson on Tuesday launched a $15 million program to try to encourage communities to do more to prevent chronic diseases like heart disease, cancer and diabetes (糖尿病)。 The initiative highlights the costs of chronic diseases—the leading causes of death in the United States—and outlines ways that people can prevent them, including better diet and increased exercise. "In the United States today, 7 of 10 deaths and the vast majority of serious illness, disability and health care costs are caused by chronic diseases," the Health and Human Services department said in a statement. The causes are often behavioral—smoking, poor eating habits and a lack of exercise. "I am convinced that preventing disease by promoting better health is a smart policy choice for our future." Thompson told a conference held to launch the initiative. "Our current health care system is not structured to deal with the rising costs of treating diseases that are largely preventable through changes in our lifestyle choices." Thompson said heart disease and strokes will cost the country more than $351 billion in 2003. "These leading causes of death for men and women are largely preventable, yet we as a nation are not taking the steps necessary for US to lead healthier, longer lives," he said. The $15 million is designed to go to communities to promote prevention, pushing for changes as simple as building sidewalks to encourage people to walk more. Daily exercise such as walking can prevent and even reverse heart disease and diabetes, and prevent cancer and strokes. The money will also go to community organizations, clinics and nutritionists who are being encouraged to work together to educate people at risk of diabetes about what they can do to prevent it and encourage more cancer screening. The American Cancer Society estimates that half of all cancers can be caught by screening, including Pap tests (巴氏试验) for cervical (子宫颈的) cancer mammograms (乳房X线照片) for breast cancer, colonoscopies (结肠镜检查), and prostate (前列腺的) checks. If such cancers were all caught by early screening, the group estimates that the survival rate for cancer would rise to 95 percent.

单选题All the cars are tested for {{U}}defects{{/U}} before leaving the factory. A. functions B. faults C. motions D. parts

单选题Efforts to preserve the peace have failed.

单选题She had to look after a house, a big garden and five dogs {{U}}into the bargain{{/U}}.

单选题What do you think is the author’s attitude toward TV expressed in the last two sentences?

单选题She had Ucome to terms with/U the fact that her husband would always be crippled.

单选题 阅读下面这篇短文，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。 {{B}}Using HIV Virus to Cure Cancer{{/B}} Scientists are planning to use human immunodeficiency (免疫缺陷) virus (HIV), one of mankind's most feared viruses, as a carrier of genes which can fight cancer and a range of diseases that cannot be cured. The experts say HIV has an almost perfect ability to avoid the body's immune (免疫的) defenses, making it ideal for carrying replacement genes into patients' bodies, according to the Observer. A team at the California-based Salk Institute, one of the world's leading research centers on biological sciences, has created a special new breed of HIV and has started negotiations with the U.S. Food and Drug Administration (FDA) to begin clinical gene therapy (治疗) trials this year. The first trials are expected to involve patients suffering from cancers that cannot be cured by surgery although project leader Professor Inder Verma said the HIV technique would have "far wider applications". The plan remains very likely to cause controversy since it involves making use of a virus which has caused more than 22 million deaths around the world in the past two decades. Verma said that the idea of using HIV for a beneficial purpose was "shocking" but the fierce nature of HIV had disappeared by having all six of the potentially deadly genes removed. Illnesses such as various cancers are caused when a gene in a patient's body fails to work properly. In the past two years, breakthroughs in genetics (遗传学) have led gene therapy scientists to try and replace the genes that do not function normally. Unfortunately, the body's immune defenses have been known to attack the modified genes and make them lose their effects before they can start their task and progress in the field has been held up by the lack of a suitable carrier. The HIV virus has the ability to escape from, and then destroy, the immune defense cells designed to protect our bodies and this makes it attractive to scientists as a way of secretly conveying replacement genes into patients' bodies.

单选题In 1861 it seemed {{U}}inevitable{{/U}} that the America southern states would break away from the Union. A. strange B. certain C. inconsistent D. proper

单选题Photojournalist Margaret White became famous for her coverage of significant events during the Second World War.

单选题One {{U}}drawback{{/U}} of having a printer at every workstation is the high cost.

单选题Stomach Ulcer Stomach ulcers are the cause of severe pain for many people. Doctors have been able to help lessen the pain of ulcers, but they could not cure them. Now doctors have discovered a cause of ulcers. This means they may have found a way to cure people who suffer from the stomach pain. Studies show that ten percent of the population will develop an ulcer at some time in their life. So a possible cure is good news for many people. Ulcers are wounds in the stomach that are similar to small cuts or tears. These wounds can harm the tissue in the stomach, the pipe that carries the food to the stomach or parts of the small intestines. Fluids in the stomach then increase the pain of an ulcer. How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach. This pain is often called heart burn. It usually happens before eating or during the night. It causes some people to lose their desire to eat, or they are unable to keep food in their stomachs. Doctors believed that stomach ulcers were caused by unusually strong stomach fluids, which damaged stomach tissue. Now they have discovered that most stomach ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or HPillorie. HPillorie bacteria are what make stomach produce extra stomach fluid. Doctors found that they can kill the bacteria with medicines called antibiotics. Health experts say the discovery of a cure for stomach ulcers can save thousands of millions of dollars in medical costs. They also believe curing stomach ulcers will reduce the number of people who develop stomach cancer. The number of people with stomach cancer is very high in Japan, Southeast Asia and parts of Africa. Doctors say a person is more likely to get an stomach ulcer if his or her family has had one. In fact, a person with the family history of stomach ulcers is three times more likely to get one than other people. There are ways people can protect themselves from developing an stomach ulcer. Doctors say it is more important to reduce the amount of strong fluids in the stomach. To do this, doctors say, people should not smoke cigarettes or drink alcohol. And they say people should reduce tension in their lives.

单选题The tomato juice left a brown stain on the front of my jacket.

单选题Under-used computer equipment can proliferate in large companies without a system to monitor purchasing.A. knowB. orderC. screenD. watch

单选题Mary was one of the principal {{U}}organizers{{/U}} of the Artists' Guild.

单选题All the participants were from the state of California.

单选题The soldier displayed remarkable courage in the battle.

单选题The government has launched a massive campaign against crimes in the big cities.A. proposedB. decidedC. begunD. studied

单选题Mr. Cousins cured his own illness