- The most successful sharers—those whose data are downloaded and cited the most often—get noticed, and their work gets used. 出自-2017年6月阅读原文
- Students use forums to chat, play games, and solve problems together at no cost, or they can pay a few hundred dollars to take courses with trained teachers. 出自-2017年6月阅读原文
- Setting the right carbon price will therefore efficiently align the costs paid by carbon users with the true social opportunity cost of using carbon. 出自-2017年6月阅读原文
- Researchers in Germany used miniature GPS tags to track the migrations of 70 white storks ( ' , 鹳) from different sites across Europe and Asia during the first five months of their lives. 出自-2017年6月阅读原文
- Physical punishment is used much less by well-educated parents. 出自-2017年6月阅读原文
- People used to live near people of different income levels; neighborhoods are now more segregated by income. 出自-2017年6月阅读原文
- It is urgent for governments to increase the cost of using fossil fuels to an appropriate level to lessen the catastrophic effects of climate change. 出自-2017年6月阅读原文
- I'd much prefer to have my data used by the maximum number of people to ask their own questions, she says. 出自-2017年6月阅读原文
- Data on management expenses at the college system and in other state departments will be part of a business justification the state will use as officials deliberate the specifics of an outsourcing plan. 出自-2017年6月阅读原文
- Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked. 出自-2017年6月阅读原文
- A tax on upstream carbon sources is one easy way to put a price on carbon emissions, although some countries may wish to use other methods, such as emissions trading schemes. 出自-2017年6月阅读原文
- Sweden was the first European country to print and use paper money, but it may soon do away with physical currencies. 出自-2017年6月听力原文
- In an era of instant information, shoppers can use their mobile phones to find deals. 出自-2017年6月听力原文
- For years, many of us have relied on antibiotic use to treat various infections. 出自-2017年6月听力原文
- And the reality is that antibiotics have been responsible for saving millions of lives since penicillin, one of the earliest antibiotics, was first used on a clinical basis 70 years ago. 出自-2017年6月听力原文
- When this water is used for agricultural irrigation, farmers risk absorbing disease-causing bacteria, as do consumers who eat the produce raw and unwashed. 出自-2016年6月阅读原文
- We need to accept that fact across much of the planet, so waste with little or no treatment will be used in agriculture for good reason. 出自-2016年6月阅读原文
- They also, however, use far more natural resources—fuel, water ( ' , all those baths and golf courses) and building materials. 出自-2016年6月阅读原文
- The one in the House bill would have to negotiate rates with providers, rather than using Medicare rates, as many reformers wanted. 出自-2016年6月阅读原文
- The commission's revised Green Guides warn marketers against using labels that make broad claims, like eco-friendly. 出自-2016年6月阅读原文
- One recent study attempted to calculate the extent of this ecological overshoot of the human economy, and found that we are using 1.2 Earth's-worth of environmental goods and services—the implication being that at some point the debt will be called in, and all those services—the things which the planet does for us for free—will grind to a halt. 出自-2016年6月阅读原文
- My own research at the Stanford Center on Adolescence uses in-depth interviews with small samples of youngsters rather than large-scale surveys. 出自-2016年6月阅读原文
- Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use; not all nations have released up-to-date data, and in any case, emissions from some sectors such as aviation are not included in national statistics. 出自-2016年6月阅读原文
- It is also the reason why development agencies are not united in their view of environmental issues; while some, like the WRI, maintain that environmental progress needs to go hand-inhand with economic development, others argue that the priority is to build a thriving economy, and then use the wealth created to tackle environmental degradation. 出自-2016年6月阅读原文
- Irrigation is the primary agricultural use of human waste in the developing world. 出自-2016年6月阅读原文
- Interactive television advertising, which allows viewers to use their remote controls to click on advertisements, has been pushed for years. 出自-2016年6月阅读原文
- In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases. 出自-2016年6月阅读原文
- In cases where sewage mud is used, expensive chemical fertilizer use can be avoided. 出自-2016年6月阅读原文
- In 2008 and 2009, class-action lawsuits ( ' ,  集体诉讼) were filed against SC Johnson for using Greenlist labels on its cleaning products. 出自-2016年6月阅读原文
- Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage ( ' ,  下 水道污水) to irrigate and fertilize nearly 49 million acres of cropland, according to a new report—and it may not be a bad thing. 出自-2016年6月阅读原文
- By and large, these are very nice kids, and as the band The Who used to sing, The kids are alright. 出自-2016年6月阅读原文
- But, instead, the Chicago union seems to be using its political capital primarily to protect weak performers. 出自-2016年6月阅读原文
- But there are also many examples of growing wealth by trashing the environment, in rich and poor parts of the world alike, whether through unregulated mineral extraction, drastic water use for agriculture, slash-and-burn farming, or fossil-fuel-guzzling ( ' ,  大量消耗) transport. 出自-2016年6月阅读原文
- But Pay Drechsel, an environmental scientist, argues that the social and economic benefits of using untreated human waste to grow food outweigh the health risks. 出自-2016年6月阅读原文
- As a result, the bills do not require, as they should, that the results of these studies be used to set payment rates in Medicare. 出自-2016年6月阅读原文
- A handful of lawsuits have been filed in recent years against companies accused of using misleading environmental labels. 出自-2016年6月阅读原文
- We need more funding and more effort to return these languages to everyday use, says Fred Nowuski of the National Museum of the American Indian, We are making progress but money needs to be spent on revitalising languages, not just documenting them. 出自-2016年6月听力原文
- And that’s not really the way they’re used in this country. 出自-2016年6月听力原文
- a basis for explaining human genetic diversityan aid to understanding different populationsan explanation for social and cultural differencesa term to describe individual human characteristicsmodern genetics research is likely to fuel racial conflictsrace is a poorly defined marker of human genetic diversityrace as a biological term can explain human genetic diversitygenetics research should consider social and cultural variablesit is absolutely necessary to put race aside in making diagnosisit is important to include social variables in genetics researchracial categories for genetic diversity could lead to wrong clinical predictionsdiscrimination against black people may cause negligence in clinical treatmentThey be more precise with the language they use. 出自-2016年12月阅读原文
- While we argue phasing out racial terminology ( ' ,  术语 ) in the biological sciences, we also acknowledge that  using race as a political or social category to study racism, although filled with lots of challenges, remains necessary  given  our  need  to  understand  how  structural  inequities  and  discrimination  produce  health  disparities  ( ' ,  差异 )  between groups, Yudell said. 出自-2016年12月阅读原文
- While  most parents, teachers and clinicians would react to an adolescent using drugs or getting drunk, they may easily  overlook teenagers who are engaging in inconspicuous behaviors. 出自-2016年12月阅读原文
- They refrain from using politically sensitive terms. 出自-2016年12月阅读原文
- Their  risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can  alert parents and teachers that serious problems are brewing. 出自-2016年12月阅读原文
- The problem  isn't the technology itself, but that the technology is being used to create more flexibility for the employer  rather  than  the  employee. 出自-2016年12月阅读原文
- The  study's  authors  surveyed  12,395  students  and  analyzed  nine  risk  behaviors,  including  excessive  alcohol use, illegal drug use, heavy smoking, high media use and truancy ( ' ,  逃学 ). 出自-2016年12月阅读原文
- Teenagers experiencing psychological problems tend to use a lot of media. 出自-2016年12月阅读原文
- South Korea opened its second Antarctic research base in 2014, describing it as a way to test robots developed by Korean researchers for use in extreme conditions. 出自-2016年12月阅读原文
- So what other variables could be used if the racial concept is thrown out? Yudell said scientists need to get  more specific with their language, perhaps using terms like ancestry or population that might more precisely  reflect  the  relationship  between  humans  and  their  genes,  on  both  the  individual  and  population  level. 出自-2016年12月阅读原文
- Not to be outdone, India's futuristic new Bharathi base, built on stills ( ' , 桩子) using 134 interlocking shipping containers, resembles a spaceship. 出自-2016年12月阅读原文
- In the paper, he and his colleagues used the example of cystic fibrosis,  which is underdiagnosed in people of African ancestry because it is thought of as a white disease. 出自-2016年12月阅读原文
- In  a  competitive  work  environment,  employers  are  able  to  use  technology  to  demand more from their employees rather than motivating workers with flexibility that benefits them. 出自-2016年12月阅读原文
- Full-time employees who do have paid vacation days only use half of them on  average. 出自-2016年12月阅读原文
- Flexibility resulting from the use of digital devices benefits employers instead of employees. 出自-2016年12月阅读原文
- Even  among people who have bought connected devices of some kind, 37 percent said that they are going to be  more  cautious  about  using  these  devices  and  services  in  the  future. 出自-2016年12月阅读原文
- E.B.Du Bois was concerned that race was being used as a  biological explanation for what he understood to be social and cultural differences between different populations  of people. 出自-2016年12月阅读原文
- But  a  new  study  finds  that  there's  another  group  of  adolescents  who  are  in  nearly  as  much  danger  of  experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a  sedentary ( ' ,  不爱活动的 ) lifestyle. 出自-2016年12月阅读原文
- 83% of workers say they're stressed about  their jobs, nearly 50% say work-related stress is interfering with their sleep, and 60% use their smartphones  to check in with work outside of normal working hours. 出自-2016年12月阅读原文
- And the New Yorkers who spent a bundle on an outdoor hot tub now admit they rarely use it, because we can’t afford to heat it in winter. 出自-2016年12月听力原文
- Using existing civil society structures or networks is a more effective way of creating change. 出自-2015年12月阅读原文
- They may have to use less effective drugs. 出自-2015年12月阅读原文
- These students need to build skills and knowledge during college if they are to use their degrees as a stepping- stone to middle-class mobility. 出自-2015年12月阅读原文
- Take your average trade union member, chances are they will be politically motivated and be used to collective action— much like Erica Gregory. 出自-2015年12月阅读原文
- Specific medicines to be used. 出自-2015年12月阅读原文
- Should doctors consider Medicare's budget in deciding what to use?I think ethically(在道德层面上) we are just worried about the patient in front of us and not trying to save money for the insurance industry or society as a whole, said Dr.Donald Jensen.Still 出自-2015年12月阅读原文
- Professor Weber believes that environmental policy can make use of similar tactics. 出自-2015年12月阅读原文
- Other studies show that simply providing the facility for people to compare their energy use with the local average is enough to cause them to modify their behaviour. 出自-2015年12月阅读原文
- Medicare could save hundreds of millions of dollars a year if everyone used the cheaper drug, Avastin, instead of the costlier one, Lucentis. 出自-2015年12月阅读原文
- Medical society guidelines are also used by insurance companies to help determine reimbursement ( ' ,  报销 ) policies. 出自-2015年12月阅读原文
- Make full use of informal learning resources. 出自-2015年12月阅读原文
- If the CFL should be used for lighting a particular space, or an object within that space, the fixture must be designed to work with that lamp, and that fixture with the room. 出自-2015年12月阅读原文
- Hall's findings suggest there's an argument to be made for electing to use African American, though one can't help but get the sense that it's a decision that papers over the urgency of continued progress. 出自-2015年12月阅读原文
- But the Food and Drug Administration has not approved Avastin for use in the eye, and using it rather than the alternative, Lucentis, might carry an additional, although slight, safety risk. 出自-2015年12月阅读原文
- But it was the ones that mentioned the actions of neighbours that drove down power use. 出自-2015年12月阅读原文
- The agency createsadvertisements and develops a media plan, specifying which media will be used and in which proportions. 出自-2015年12月听力原文
- Some of the heat is used directly or produces useful work; the rest is lost or rejected, radiated into the atmosphere from the engines, motors, boilers and all the energy-consuming machinery that makes American’s wheel go around. 出自-2015年12月听力原文
- Scientists have devised a way to determine roughly where a person has lived using a strand of hair, a technique that could help track the movements of criminal suspects or unidentified murdervictims. 出自-2015年12月听力原文
- If we could figure out how to improve the efficiency with which we use energy, we can do a lot of work with the energy that is available. 出自-2015年12月听力原文
- He believes that team corporation results when members go beyond their individual capabilities, beyond what each is used to being and doing. 出自-2015年12月听力原文
- Every year, people in America use energy equal to over 30million barrels of oil each day. 出自-2015年12月听力原文
- Better design and wiseruser of both mass transit systems and private vehicles will playing an important part in helping America get more out of energy used fortransportation. 出自-2015年12月听力原文
- Although large companies could easily set up their own advertising departments, write their own advertisements andbuy media space themselves, they tend to use the services of largeadvertising agencies. 出自-2015年12月听力原文
- According to the Centre for Strategic and International Studies,about three quarter of energy we use to move things, including ourselves, accomplishes no useful work. 出自-2015年12月听力原文
- \AI is hugely exciting,\ she said, \but it has limitations, which present grave dangers given uncritical use.\ 2019年6月六级真题(第一套)阅读 Section C
- 83% of workers say they're stressed about their jobs, nearly 50% say work-related stress is interfering with their sleep, and 60% use their smartphones to check in with work outside of normal working hours. 2016年12月六级真题(第一套)阅读 Section B
- A quarter of students report that their use of digital devices during class causes their grades to suffer . 2018年12月六级真题(第二套)阅读
- Across the developed world, ear use is in decline as more people move to city centers, while young people especially are opting for other means of travel. 2019年12月六级真题(第二套)阅读 Section A
- Although the American Academy of Pediatrics offers guidelines recommending that parents model appropriate social media use for their children, it does not explicitly discuss oversharing by parents. 2018年12月六级真题(第三套)阅读 Section B
- Apple's stance on these issues emerged post-Snowden, when the company started putting in place a series of technologies that, by default, make use of encryption to limit access to people's data. 2017年12月六级真题(第三套)阅读 Section B
- As she wrote in her description of the peacock flower,\ The Indians, who are not treated well by their Dutch masters, use the seeds to abort their children, so that they will not become slaves like themselves. 2018年12月六级真题(第二套)阅读 Section B
- As wood was so plentiful, it was cheaper to use than the stone used in the buildings of other European cultures. 2019年12月六级真题(第一套)听力 Section C
- Because previous research has shown that people with high intellectual abilities are better at filtering out distractions, researchers believed students with high ACT scores would not show a significant decrease in performance due to their use of digital  2018年12月六级真题(第二套)阅读
- Both bus tours forbade the use of cell phones but one tour provided digital cameras and encouraged people to take photos. 2018年6月六级真题(第二套)阅读 Section C
- But frequently my tech use was not so benign. 2017年12月六级真题(第一套)阅读 Section B
- But once these plants use up their stored reserve or tap out the underground supply, they cease growing and start to die. 2018年6月六级真题(第一套)阅读 Section B
- But there are also many examples of growing wealth by trashing the environment, in rich and poor parts of the world alike, whether through unregulated mineral extraction, drastic water use for agriculture, slash-and-burn farming, or fossil-fuel-guzzling t 2016年6月六级真题(第三套)阅读 Section B
- Companies play a big role in creating a circular economy, in which value is generating less from extracting new resources and more from getting better use out of the resources we already have. 2019年6月六级真题(第二套)阅读 Section B
- Companies play a big role in creating a circular economy, in which value is generating less from extracting new resources and more from getting better use out of the resources we already have—but they must also get customers engaged in the process. 2019年6月六级真题(第二套)阅读 Section B
- Data on management expenses at the college system and in other state departments will be part of a \business justification\ the state will use as officials deliberate the specifics of an outsourcing plan. 2017年6月六级真题(第二套)阅读 Section C
- Farmers and consumers alike can choose whether or not to use whichever version prevails: \I'm giving people an option.\ 2018年6月六级真题(第一套)阅读 Section B
- Farrant and others in the resurrection business got together last year to discuss the best species of resurrection plant to use as a lab model. 2018年6月六级真题(第一套)阅读 Section B