The tracking function of the mobile networks was probably first intended for _____.
A．federal officials
B．national security
C．parent consumers
D．emergency rescue

未分类题By commenting that 'students were docile notetakers' (Para. 2), the Time magazine suggested that students should have been _____.A．more independentB．more ambitiousC．more creativeD．more diligent

未分类题What would the world look like without the dollar domination? US officials are【C1】______out a deal to end the government shutdown and【C2】______its debt limit, hoping to avoid a global【C3】______crisis. Meanwhile, some eyed【C4】______to the US dollar to avoid a repeat. Earlier this week, an editorial from Xinhua news agency, called【C5】______a new international reserve currency to【C6】______the dollar. 'It is perhaps a good time for the【C7】______world to start considering building a de-Americanized world,' it said. An organization like the International Monetary Fund could theoretically【C8】______an entirely new international currency, says Benjamin Cohen of the University of California, but political disagreement would raise its ugly【C9】______again 'Think of all the trouble the European Monetary Union has had【C10】______with just 17 countries. Now【C11】______by ten.' 'I think it much more likely that another【C12】______currency becomes more important in international markets,' says Menzie Chinn of the University of Wisconsin. 'The Chinese are, with mixed【C13】______, pursuing a path of making their own currency more international.' 【C14】______dont expect to be cashing in renminbi any time soon. The last big【C15】______in reserve currency, from British pounds to the US dollar, began in the 1950s and【C16】______two decades. Even if we could just【C17】______the dollar overnight, no other currency, including the renminbi, can currently【C18】______it, says Cohen. 'Governments still use the dollar,【C19】______the current political difficulty in Washington, because of its【C20】______availability, deep liquidity and wide acceptability.'【C1】A．staggeringB．strugglingC．hammeringD．screwing

判断题Both handsome and pretty mean good-looking but they differ in social meaning.()

未分类题Marriage is, for many people, their most important relationship, the source of much happiness, and, for some, even adds extra years to their life. While the【C1】______between marriage and well-being has been【C2】______studied, predicting marital success is【C3】______. Exactly which people are likely to make successful 【C4】______and what can they do to【C5】______the odds of being successful and happy in marriage? 'The state of marriage is that its going in two directions. For people with a college degree, marriage is still going【C6】______.' However, Cherlin explains, 'for people with less 【C7】______, theres less marriage and more breakups.' Happy marriage【C8】______are much less common in such households. Another predictor of successful marriages is the quality of a【C9】______childhood relationship with their parents. 'The kind of relationships you have with your parents【C10】______up are predictive of marital quality in【C11】______Umberson says. Finally, there is a chicken-and-egg【C12】______to successful marriages. 'People who are married are【C13】______than people who arent. The question is how much of this is【C14】______and how much is effect?' While natural selection【C15】______has an impact here, Cherlin says, 'people who are【C16】______happy are more likely to get married, but marriage makes them even healthier.' The【C17】______to good marriages is similar in Umbersons view. 'I think its the presence of emotional support, and that the person youre with does make you feel emotionally supported,' she says.【C18】______, 'If your partner is 【C19】______and demanding' all the time, those 'are just red flags' in terms of marital happiness. And in terms of【C20】______, she notes, 'marital strain is worse for your health than marital happiness is good for your health.'【C1】A．matchB．linkC．chainD．mark

未分类题One of the misconceptions about elite sport is that great athletes have nothing in common with normal human beings.【C1】______they are seen as supermen who have【C2】______above the flaws and anxieties that【C3】______the lives of others. The superman misconception also【C4】______how we think about teams.【C5】______a team establishes a dynastic supremacy, instead of【C6】______that it is always in a state of constant change, we pretend it has a【C7】______collective personality. We turn the team into a superman. A winning team does not, in【C8】______, require everyone to play well all the time—or even any of the time. Sir Alex Ferguson【C9】______a deep truth when he said that in football you only need eight players to【C10】______well to win. The reality of team dynamics is much more【C11】______and interesting than superman theory allows. All teams, even the greatest, 【C12】______a range of characters, not all of them 【C13】______bulletproof. There are those who surf the wave as well as those who【C14】______the tide. From a【C15】______perspective, the challenge is to establish two【C16】______but overlapping majorities: a majority of strong characters who have the ability to【C17】______people with them, and a majority of players in form. on any【C18】______day. Seen in that light, winning becomes partly a matter of【C19】______If you have a higher proportion of excellent players, who are likely to be in form. more often, then the odds of eight playing well next Saturday【C20】______improve.【C1】A．FurthermoreB．InsteadC．OtherwiseD．Therefore

未分类题The problem with todays housing crisis, politically, is that it is just not all that visible. At the end of the Second World War, families with kids【C1】______into shared houses. In 1946, more than 46,000 families took over military camps, empty hotels and flats. That was a(n) 【C2】______housing crisis. Todays does not come【C3】______: most people still have somewhere to live. It is nonetheless【C4】______, and worthy of political attention. But the question of exactly why our expensive homes【C5】______a crisis is more subtly depicted than it can appear. Since 1973 at least, the total number of 'dwellings' has climbed far faster than the population. How is this possible,【C6】______that building rates have【C7】______? And doesnt it mean that there isnt really a housing crisis? First, in the 1960s and 1970s, while councils happily knocked【C8】______new estates, they were also busy pulling down lots of old '【C9】______' houses too. Social housing helped people move from broken old crowded houses into【C10】______new flats or houses, typically with much more【C11】______. Meanwhile, new homes were built on green fields. Average household sizes【C12】______dramatically, even as the average house got bigger. Though the housing stock【C13】______by less than the rate of building,【C14】______got a lot more space in which to live. In recent decades,【C15】______, everyone has got a lot less space. We have had【C16】______little new building, but【C17】______we have magically created lots of new housing. Essentially, so far, the housing crisis has been【C18】______by subdividing our homes to【C19】______the extra population growth.【C20】______, what new homes we do build are the smallest in the developed world.【C1】A．broughtB．crammedC．enteredD．fitted

未分类题Is a nations destiny set by its fertility rates? Japan has the worlds oldest【C1】______, but Japanese longevity cant【C2】______for its extremely-low fertility rate—just 1.4 children per woman. One in four dont have children. Some European countries also have low fertility rates, but top up【C3】______migrants. Japan does not. The conventional view is that this is bad news: shrinking numbers【C4】______economic growth and the aging population is a major【C5】______burden. But there is another【C6】______The proportion of Japans population has almost twice as many over-65s as children.【C7】______Japan spends less on education. And because the Japanese are the worlds healthiest, care【C8】______are also lower than in other nations. Japans economy has been growing slowly for two decades now. But【C9】______the falling population, individual income has been【C10】______strongly-outperforming most US citizens. With 127 million people, Japan is【C11】______empty. But fewer people in future will mean it has more living space, more agricultural land per head, and a higher quality of life. Its【C12】______on the planet for food and other【C13】______will also lessen. Japan isnt alone in population【C14】______: Russia, Romania and Hungary all【C15】______the trend. For many more, it is being【C16】______by immigration. But the global population is increasing slowly. The world recently reached 'peak child' —the point【C17】______the number of children aged 0 to 14 around the globe【C18】______off. Global fertility rates have halved in 40 years—they are now below 2.5 children per woman—and global population may peak soon. Some believe that peak population is a【C19】______first step to reducing our【C20】______on the planets life-support systems. In that case, following Japans example may be just the ticket.【C1】A．populationB．economyC．historyD．politics

未分类题Next time you feel the flu coming on, think twice before reaching for painkillers—they could do more【C1】______than good. With the flu season【C2】______way across Europe and North America, millions will be taking flu【C3】______, which commonly include painkillers. The general【C4】______advice in the UK and the US is to take painkillers. But although painkillers can make you feel better they also lower fever, which can make the virus【C5】______. The first analysis of the effect of this on the【C6】______shows that painkillers taken at current levels to【C7】______fevers could cause 2, 000 flu deaths each year in the US alone. Fever is thought to be a【C8】______against viruses, because many viruses find it hard to【C9】______above our normal 37 °C. Some studies have shown that lowering fever may【C10】______virus-related infections and increase the amount of virus we can【C11】______on to others. To find out what【C12】______this might have on a flu epidemic, David Earn and his colleagues【C13】______to a 1982 study which showed that ferrets, a【C14】______animal model for human flu produced more【C15】______flu virus if their fevers were lowered with painkillers. Earns team used these findings to estimate how much more virus people with【C16】______flu might produce if their fevers were【C17】______. With the help of a mathematical model, Earns team【C18】______their estimates to the number of people a year in the US who get flu,【C19】______fever and take the drugs. They found that painkillers as used in the US could be increasing the【C20】______of ordinary winter flu by up to 5 per cent.【C1】A．hurtB．painC．harmD．work

判断题[l] [?] [?] are called phonemes of the phoneme |l|.()

未分类题Eating healthily costs about $1.50 more per person daily, according to the most thorough review yet of the affordability of a healthy diet. 'For many low-income families, an【C1】______$1.50 daily is quite a lot,' says Mayuree Rao, 'It【C2】______to about $550 more per year per person, and that could be a real【C3】______to healthy eating.' Rao and her colleagues reached their【C4】______after analysing 27 studies from 10 high-income countries, comparing price【C5】______for healthy versus unhealthy ingredients and diets.【C6】______one study compared the cost of a diet rich in fruit and vegetables versus one that was【C7】______in them. Another compared prices of【C8】______healthy and less healthy items, such as wholegrain versus white bread. Individual items were【C9】______matched in price. Meats【C10】______the largest difference: healthier options cost an average of 29 cents per serving more than unhealthy options. 【C11】______this, comparisons of whole diets showed that healthier diets cost averagely $1.48 more per day. This shows that comparisons based on single ingredients dont tell the full【C12】______. 'It tells us that,【C13】______, it doesnt cost more to eat healthier based on one nutrient,' says Rao. 'But theres growing evidence that the【C14】______of foods in your diet【C15】______your disease risk more than any single nutrient, so we think our【C16】______finding that healthier diets cost about $1.50 more has the most public health【C17】______.' As to why healthier food has become more【C18】______Rao says that it may be because the food industry organizes itself and the types of food it produces to【C19】______its own economies of scale,【C20】______than whats best for consumers.【C1】A．availableB．adequateC．extraD．economical

未分类题According to Paragraph 3, which of the following sounds is the most powerful?A．McDonald's 'I'm Lovin' It' jingle.B．The sound of blowing open a door.C．The giggling sound of a baby.D．The hum of a vibrating cell phone.

判断题创新的第一步是模仿式创新，这一观点正确么?()

未分类题According to Paragraph 1, which of the following is true of Newtons Principia?A．Newton was motivated to write the Principia after he saw the apple fell.B．The Law of Universal Gravitation was originally included in the Prineipia.C．Newton began to form. the idea of the Principia when he was a college student.D．The Law of Universal Gravitation was formulated long before the Principia.

未分类题What is true about the scholars before the time of Newton?A．Some of them were convinced by astrology.B．They didn't know the laws of Nature apply to all planets.C．They played important roles in the development of astrology.D．Most of them found astrology incredible.

判断题积木式创新指的是创新需要整合各方面的优势资源，这个说法对么。()