单选题从下面提供的答案中选出应填入下列英文语句中______内的正确答案。 You should be (1) of developing your program, using something better than the method that uses the philosophy: write (2) down and then try to get it working. Surprisingly, this method is widely used today with the result that an average programmer on an average job (3) out only between five to ten lines of correct code per day. We hope your (4) will be greater. But to improve requires that you apply some discipline to the (5) of creating programs.

单选题He took a raincoat with him lest it ______. A. rains B. should rain C. Would rain D. will rain

单选题When the chairman visited the district hit by the earthquake, he often Usignaled for/U the children to come to him.

单选题The passage tells us that there is ______.

单选题Patients whose eyes have suffered heat or chemical burns typically experience severe damage to the cornea—the thin, transparent front of the eye that refracts light and contributes most of the eye's focusing ability. In a long-term study, Italian researchers use stem cells taken from the limbus, the border between the cornea and the white of the eye, to cultivate a graft of healthy cells in a lab to help restore vision in eyes. During the 10-years study, the researchers implanted the healthy stem cells into the damaged cornea in 113 eyes of 112 patients. The treatment was fully successful in more than 75 percent of the patients, and partially successful in 13 percent. Moreover, the restored vision remained stable over 10 years. Success was defined as an absence of all symptoms and permanent restoration of the cornea. Treatment outcome was initially assessed at one year, with up to 10 years of follow-up evaluations. The procedure was even successful in several patients whose burn injuries had occurred years earlier and who had already undergone surgery. Current treatment for burned eyes involves taking stem cells from a patient's healthy eye, or from the eyes of another person, and transferring them to the burned eye. The new procedure, however, stimulates the limbal stem cells from the patient's own eye to reproduce in a lab culture. Several types of treatments using stem cells have proven successful in restoring vision, but the long-term effectiveness shown here is significant. The treatment is only for blindness caused by damage to the cornea; it is not effective for repairing damaged retinas or optic nerves. Chemical eye burns often occur in the workplace, but can also happen due to mishaps involving household cleaning products and automobile batteries. The results of the study, based at Italy's University of Modena and Reggio Emilia, were published in the June 23 online issue of the New England Journal of Medicine.

单选题It used to be thought ______ the Earth was flat. A) as B) when C) since D) that

单选题Before a big exam, a sound night's sleep Will do you better than poring over textbooks. That, at least, is the folk wisdom. And science, in the form of behavioral psychology, supports that wisdom. But such behavioral studies cannot distinguish between two competing theories of why sleep is good for the memory. One says that sleep is when permanent memories form. The other says that they are actually formed during the day, but then "edited" at night, to flush away what is superfluous. To tell the difference, it is necessary to look into the brain of a sleeping person, and that is hard. But after a decade of painstaking work, a team led by Pierre Maquet at Liege University in Belgium has managed to do it. The particular stage of sleep in which the Belgian group is interested is rapid eye movement (REM) sleep, when brain and body are active, heart rate and blood pressure increase, the eyes move back and forth behind the eyelids as if watching a movie, and brainwave traces resemble those of wakefulness. It is during this period of sleep that people are most likely to relive events of the previous day in dreams. Dr. Maquet used an electronic device called PET to study the brains of people as they practiced a task during the day, and as they slept during the following night. The task required them to press a button as fast as possible, in response to a light coming on in one of six positions. As they learnt how to do this, their response times got faster. What they did not know Was that the appearance of the lights sometimes followed a pattern—what is referred to as "artificial grammar". Yet the reductions in response time showed that they learnt faster when the pattern was present than when there was not. What is more, those with more to learn (i. e. the "grammar", as well as the mechanical task of pushing the button) have more active brains. The "editing" theory would not predict that, since the number of irrelevant stimuli would be the same in each case. And to eliminate any doubts that the experimental subjects were learning as opposed to unlearning, their response times when they woke up were even quicker than when they went to sleep. The team, therefore, concluded that the nerve connections involved in memory are reinforced through reactivation during REM sleep, particularly if the brain detects an inherent structure in the material being learnt. So now, on the eve of that crucial test, maths students can sleep soundly in the knowledge that what they will remember the next day are the basic rules of algebra and not the incoherent talk from the radio next door.

单选题{{B}}Passage Two{{/B}} The Indian 'Ocean is the third largest ocean in the world. Only the Pacific and the Atlantic are larger. More than one-fifth of all the world's water supply is in the Indian Ocean. The Indian Ocean touches four different continents. To the south is Antarctica and to the east is Australia. Africa lies to the west and Asia lies to the north. There are several important islands in the Indian Ocean. These include Madagascar, the largest one, which is near Africa, and Sri Lanka, which is near India. There is also a group of islands called the Seychelies near the African coast. The Indian Ocean is extremely important to the countries in southeast Asia. Strong winds from the Indian Ocean bring warm weather, and heavy rains are necessary for growing food.

单选题The American Presidential Gala of 1993 Mixing populism and celebrity, Clinton dances into office with a week-long multimillion-dollar party full of stars, saxophone music and presidential hugs. The Party was held in a way never seen since World War Ⅱ. Many movie and music stars showed up, offering their wishes to a new administration. They sang songs like "You know Bill's gonna get this Country straight. " "93! You and me! U-hi-tee! /Time to past with Big Bill and Hillaree. " The stars came out in constellation because they recognized Clinton one of their own.Not just that he plays the saxophone, a little. Or that Hillary is a smart, tough lawyer,like most Hollywood moguls. What matters is that Clinton is a beacon of middle-class charm, a love of being loved, a believer in the importance of image, metaphor, style. And he is an ace manipulator of media, selling his symbols directly to the people on TV, without the interference of nosy journalists. It all makes for a wondrous' 90s blend of show biz and politic. "This is our time," Clinton said in his Inaugural Address. "Let us embrace it." Last week he had an embrace for everyone, and not just the stars. This huge bear President needs to feel the public's approval. At one of the balls of the week, Clinton was like the college student who drops in the night before the exam to show he's one of the guys, then sneaks back to his dorm to cram.Perhaps there is as much Nixon in him (the ambition, the intellect) as Kennedy (the charm, the recklessness, his position as centrist custodian of liberal dreams). He will need to be the best of both men if he is to close, as he said last week, "the gap between our words and our deeds." During the gala, actor Edward James Olmos quoted Lincoln: "We must disenthrall ourselves, and then we shall save our country." Clinton, a good student with a good memory, mouthed the words as Olmos spoke them. Clinton must have realized that, in a different sense and different era, America faces the task of disenthralling itself, of shaking off the Hollywood stardust and facing facts. In 1992 Clinton vended optimism; now he must be careful in saying so. He sold the nation a miracle product, ALL-NEW HOPE: it gives you cleaner, cheaper government with a fresh minty flavor. But if it doesn't get the stains out, the electorate's high hopes could sour into despair. Then the man called Hope will become the man called Hype. All the big stars and better angels will leave him out in the spotlight, stranded, unmasked.

单选题{{B}}Passage Fore{{/B}} The growth of cell-phone users in the U.S. has tapered off from the breakneck pace of 50% annually in the late 1990s to what analysis project will be a 15% to 20% rise in 2002, and no more than that in 2003. To some extent, numerous surveys have found, slower growth in demand reflects consumer disillusionment with just about every aspect of cell-phone service--its reliability, quality, and notorious customer service. The cooling off in demand threatens to cascade through the industry: The big four U.S. cell-phone carders--Verizon Wireless, Cingular Wireless, AT&T Wireless, Sprint imperil their timetables for becoming profitable, not to mention their efforts to whittle down their mountains of debt. As the carders have begun to cut costs, wireless- equipment makers--companies such as Lucent, Nokia, and Ericsson--have been left with a market that's bound to be smaller than they had anticipated. Handset makers have been insulated so far, but they, too, face a nagging uncertainty. They'll soon introduce advanced phones to the U.S. market that will run on the new networks the carders are starting up over the next year or two. But the question then will be : Will Americans embrace these snazzy data features--and their higher costs--with the wild enthusiasm that Europeans and Asians have? Long before the outcome in clear, the industry will have to adopt a new mind-set. "In the old days, it was all about connectivity. " says Andrew Cole, an analyst with wireless consultancy Adventis. Build the network, and customers will come. From now on, the stakes will be higher. The new mantra: Please customers, or you may not survive. To work their way out of this box, the carders are spending huge sums to address the problem. Much of Sprint PCS's $3.4 billion in capital outlays this year will be for new stations. And in fact, the new high-speed, high-capacity nationwide networks due to roll out later this year should help ease the calling-capacity crunch that has caused many consumer complaints. In the meantime, some companies are using better training and organization to keep customers happy. The nation's largest rural operator, Alltel (AT), recently reorganized its call centers so that a customer's query goes to the first operator who's available anywhere in the country, instead of the first one available in the customer's home area. That should cut waiting time to one minute from three to five minutes previously.

单选题______ you go, you should bear the motherland in mind.

单选题Walking is______useful as any other to lose weight.

单选题With the two stories in Paragraph 2, the author explains ______.

单选题A number of researchers have examined the variables/strategies that affect students' learning English as a second language. This report identifies some of the learner variables/ strategies used by two students in a Hong Kong Technical Institute. The instruments for data collection included observation, interviews and questionnaires. The findings are discussed and some implications highlighted. What makes a 'good' language learner 'good', and what makes a 'poor' language learner 'poor'? What does this imply for the teaching of language in the Hong Kong context? These are the central questions of this assignment. The existing body of research attributes the differences between language learners to learner variables and learner strategies, Learner variables include such things as differences in personality, motivation, style, aptitude and age (Ellis, 1986: chap 5) and strategies refer to "techniques, approaches, or deliberate actions that students take in order to facilitate the learning and recall of both linguistic and content area information" (Chamot, 1987: 71). It is important to note here that what we are considering is not the fact that language learners do and can learn, but why there should be such variations in speed of learning, ability to use the target language, and in achieving examination grades, areas which generally lead to the classification of students as being either 'good' or 'poor'. Learner variables and strategies have been the focus of a number of research projects, (O'Malley et al, 1985, Oxford, 1989). However, to the best of my knowledge, this area has not been researched in Hong Kong classrooms. Since I am a teacher of English working in Hong Kong, gleaning a little of what learner variables and strategies seem to work for local students seems to be a fruitful area of research. In discussing learner variables and strategies, we have to keep in mind the arbitrary nature of actually identifying these aspects. As the existing research points out, it is not possible to observe directly qualities such as aptitude, motivation and anxiety. (Oxford, 1986) We cannot look inside the mind of a language learner and find out what strategies, if any, they are using. These strategies are not visible processes. Also, as Naiman and his colleagues (1978) point out, no single learning strategy, cognitive style or learner characteristic is sufficient to explain success in language learning. The factors must be considered simultaneously to discover how they interact to affect success or failure in a particular language learning situation. Bearing these constraints in mind, the aim of this assignment is to develop two small scale studies of the language learners attempting to gain an overall idea of what strategies are in use and what variables seem to make a difference to Hong Kong students.

单选题—How’s your brother these days? 　　—He hasn’t been too well just recently. 　　—________. What’s the matter? 　　—I think he’s been overworking.

单选题The general manager was ______ busy to see visitors.