单选题Efforts to reach the injured men have been ______ because of a sudden deterioration in weather conditions. A. enforced B. intensified C. continued D. strengthened

单选题Not only ______ us light, but also it gives us heat

单选题Industrial leaders are Worried lest new inventions make their plants unprofitable to operate; they therefore wish to protect themselves against possible ______.

单选题 In the world of management, employees are nonexempt or exempt, depending on whether they get paid for overtime or not.{{U}} (21) {{/U}}a creative scientist, like a creative artist, does not see his or her time. The very idea of a creative scientist{{U}} (22) {{/U}}out time sheets is ludicrous. Fascination in science cannot be turned on or off on{{U}} (23) {{/U}}The creative mind continues to wander{{U}} (24) {{/U}}the body eats, exercises, or sleeps. Interruptions in or out of the laboratory, the library, the office or the home study may{{U}} (25) {{/U}}a promising effort.{{U}} (26) {{/U}}the well-established practice of moonlighting. Do what you need to do to keep the wolf{{U}} (27) {{/U}}from the door, the world{{U}} (28) {{/U}}your thesis adviser, team leader, or laboratory director. Then use the rest of your time, perhaps at night or on the weekends, to do{{U}} (29) {{/U}}you really want to do. All of us who had done science know how to{{U}} (30) {{/U}}effectively. So many scientific books are prefaced by remarks such as "I thank my spouse, who tolerated my awful antics while this book was being written." I{{U}} (31) {{/U}}that some of the most creative results to come out of my laboratory were obtained by graduate students or postdoctoral assistants in the{{U}} (32) {{/U}}of my instructions or even{{U}} (33) {{/U}}against them. The creative mind has a vision. And vision,{{U}} (34) {{/U}}Jonathan Smith, is the art of seeing things{{U}} (35) {{/U}}. To try to explain a vision can get one into serious trouble, as Joan of Arc (圣女贞德) found out. It is better to moonlight until things become visible.

单选题 {{B}}Directions:{{/B}} Below is a summary of some of the main points of the passage. Read the summary and then select the best word or phrase from the box below according to the passage. You should decide on the best choice and mark the corresponding letter on the ANSWER SHEET with a single line through the center. A porridge H storage life B malnutrition I sprouted grains C fermentation J inadequate food intake D new technology K acidity E contaminated food L unfermented food F diarrhoeal germs M weaning G traditional food N dough Malnutrition and the resulting impaired growth and development in children of weaning age in developing countries results not only from{{U}} (18) {{/U}}but also from infections caused by contaminated food. Studies have addressed the problem of inadequate intake by using sprouted grains in food preparation. Contamination has been tackled with{{U}} (19) {{/U}}. Both of these methods are, or were, used traditionally and are practical and inexpensive. Fermented foods have higher{{U}} (20) {{/U}}and also have anti-microbial qualities. This means that contamination is decreased and that their{{U}} (21) {{/U}}is increased. Fermentation occurs when{{U}} (22) {{/U}}is left to stand, occasionally with simple additives. There is, however, a trend away from this{{U}} (23) {{/U}}to commercial products.

单选题As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.

单选题His alibi was fishy, yet ______ to close scrutiny.

单选题When the novelist Jodi Picoult was approached to write a few installments of the "Wonder Woman" comics series, her first ______ was to take the character out of her trademark. A. conspiracy B. subversion C. impulse D dissipation

单选题Cancer is the second leading cause of death in the United States, after heart disease. In the past, it was often considered a death sentence. But many patients now live longer 1 of improvements in discovery and treatment. Researchers say death 2 in the United States from all cancers combined have fallen for thirty years. Survival rates have increased for most of the top fifteen cancers in both men and women, and for cancers in 3 . The National Cancer Institute and the Centers for Disease Control and Prevention studied the number of cancer survivors. A cancer survivor is defined 4 anyone who has been found to have cancer. This would include current patients. The study covered the period from 1971 to 2001. The researchers found there are three 5 as many cancer survivors today as there were thirty years ago. In 1971, the United States had about three million cancer survivors. Today there are about ten million. The study also found that 64% of adults with cancer can expect to still be 6 in five years. Thirty years ago, the five-year survival rate was 50%. The government wants to 7 the five-year survival rate to 70% by 2010. The risk of cancer increases with age. The report says the majority of survivors are 65 years and older. But it says medical improvements have also helped children with cancer live 8 longer. Researchers say 80% of children with cancer will survive at least five years after the discovery. About 75% will survive at 9 ten years. In the 1970s, the five-year survival rate for children was about 50%. In the 1960s, most children did not survive cancer. Researchers say they expect more improvements in cancer treatment in the future. In fact, they say traditional cancer-prevention programs are not enough anymore. They say public health programs should also aim to support the 10 numbers of cancer survivors and their families.

单选题Rather than allowing the government to control investments, true power, should be given to the people, allowing individually owned and privately managed investment accounts ______.Individual Retirement Accounts.

单选题The damage to his car was ______; therefore, he could repair it himself. [A] appreciable [B] negligible [C] considerable [D] invisible

单选题We are totally unable, after decades of experiment, to {{U}}replicate{{/U}} ancient glazed pottery.

单选题The nation______.the death of its great war leader.

单选题I have a number of______to make about this hotel so I wish to see the manager.

单选题John boasted that he could finish the job all by himself{{U}} in no time{{/U}}.

单选题The chief functions of direct-mail advertising are to familiarize Uprospective/U buyers with a product, its name, its maker, and its merits and with the product's local distributors.

单选题After exploring for more than half a year the ecologist felt a great ______ resulting from the rare species the team had spotted at the foot of the mountain.

单选题She felt a bit ______ in the autumn air so she went in to fetch a coat. A. chilly B. fresh C. shivering D. cool