【文章內(nèi)容簡介】 lar cell that converts it back into electricity. David Graham, the co173。founder of PowerBeam, said, “We’re going to delete the word ‘recharge’ from the English dictionary. If your cell phone is recharging on your desk all day, you won’t be thinking about it.” The Silicon Valley pany can currently use a laser to generate about watts of power to a solar cell 10 meters away. This would be enough to power an electronic speaker, or small LED(二極管 ) lights, but not enough to operate a laptop, which requires about 30 to 50 watts. However, Graham said that the technology could fortably be scaled up(提高 )． PowerBeam insists its laser does not lead to a risk to users health because it is simply moving heat from one place to another. Graham said that, if someone walked the beam, it would shut down within a thousandth of a second, then restart once the path is clear. The technology also promises energy efficiency because it would only power products when needed. 60． What does the writer want to tell us in the passage? A． A wireless instrument used for charging. B． The only pany to show the ambitious technology. C． A means of broadcasting electricity to gadgets. D． A new efficient energy. 61． The underlined word“ delve”in Paragraph 3 refers to ________. A． hunt for B． look into C． think of D． put away 62． According to James Holland， we know that ________. A． a cell phone can be powered only on a desk B． gadgets can be charged in a room with wireless power C． a right charger is needed D． each room should have wireless power 63． Which of the following statements is TRUE? A． The laser does harm to people’s health. B． The gadgets like audio speakers have been shown at the International Consumer Electronics Show this week. C． The word ‘recharge’ has been deleted from the English dictionary. D． The technology can also save energy because it would not work when unnecessary. C Vienna named the city with the world’s best quality of living Vienna has beaten Zurich to be chosen to be the place with the best quality of living in an annual survey in which European cities occupied the top 10. Management consultancy Mercer said Vienna scored the highest for overall quality of living in the 215173。city survey after improvements in Austria’s political and social environment, knocking the Swiss city of Zurich into the second position. Third in the list came another Swiss city, Geneva, followed by Vancouver, Canada, and Auckland, New Zealand, in shared fourth place. Baghdad， Iraq， came last despite slight improvements in its infrastructure(基礎(chǔ)設(shè)施 )and moved to encourage investment. Three German cities made the top 10— Dusseldorf， Munich and Frankfurt— with the list rounded out by Bern in Switzerland and Sydney, Australia. The highest US ranking in the 2021 Worldwide Quality of Living Survey was Honolulu which came the 29th while Washington and New York remained in positions 44 and 49 respectively. London came the 38th in the list which is designed to help governments and panies formulate (制定 ) international salaries for their employees. “As a result of the current financial crisis, multinationals( 跨國公司 ) are hoping to review their international assignment policies with a view to cutting costs， ” said Slagin Parakatil ， a senior researcher at Mercer， in a statement. Singapore was the top173。scoring Asian city, ing the 26th which was up six places from a year ago due to its growing importance as a financial center and its wide range of international and private schools. Beijing moved up three places to 113, boosted by improvements in public transport facilities from the Olympics last August. 64． Which country was chosen to be the place with the best quality of living in Asia? A． Beijing. B． Baghdad. C． Singapore. D． Tokyo. 65． According to the survey， Auckland is the same place as ________ in the quality of living. A． Geneva B． Vienna C． Munich D． Vancouver 66． Of the 10 cities with the world’s best quality of living ， which country occupied most? A． Switzerland. B． Germany. C． Australia. D． America. 67． What can we learn from the 6th paragraph? A． Honolulu is the city of the best quality of living in America. B． Washington is more suitable for the American people to live. C． New York is the richest city all over the America. D． Washington and New York stayed the same in the 2021 survey. D Dear Sir， As an elementary school teacher and mother of two, I think your recent article on children and TV is very interesting. However， my views on the subject differ from those of the writer. For years, newspapers columnists and other so173。called experts have criticized TV ， they don’t think about television as a positive learning tool. I’ve used TV in my classroom for years, and it has helped make learning a much more interesting experience for my young my view, TV can be anti173。violence and pro173。learning. When used in the right way, it can even speed up the learning process. I use TV programs to teach geography, science, and even reading— and my students’ higher test scores prove that this strategy is working. Both of my children grew up watching TV shows like Sesame Street ( a popular educational children’s TV show from the U. S. ) and they are now among the top students in their school. These types of programs help students learn basic language skills like the alphabet, and how to can also teach children things like sharing, and environmental awareness. I think it’s time to stop criticizing TV, and focus on its amazing potential for positive learning. Lauren Cavanaugh Bakersfield Dear Sir， Your recent column on TV violence gave a very one173。sided view of the subject. I agree that there is a lot