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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.

A.Some
B.
B.They
C.
C.They
D.
D.Most
E.


【参考答案】

B
推理判断题。最后一段倒数第二句是一个强调句,其中的notuntilthat表明在牛顿时代之前,人们都不知道自然规律适用于celestialworlds(天体),该句中的“人们”当然也包括下一句提到的“allgreatscholars”,结合这两句,选B项。
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未分类题【C2】

未分类题【C17】

未分类题【C18】

未分类题In a lab in Oxford Universitys experimental psychology department, researcher Roi Cohen Ka-dosh is testing a relatively new brain-stimulation technique which may help people learn and improve their understanding of math concepts. The electrodes(a small piece of metal or other substance that is used to take an electric current)are【C1】______in a tightly fitted cap and worn around the head. The device, run off a 9-volt battery commonly used in smoke detectors, induces only a【C2】______current and can be targeted to【C3】______areas of the brain or applied generally. The mild current reduces the【C4】______of side effects, which has【C5】______possibilities about using it, even in individuals【C6】______a disorder, as a general cognitive【C7】______. Scientists also are investigating its use to treat mood disorders and【C8】______conditions. Dr. Cohen Kadoshs【C9】______work on learning enhancement and brain stimulation is one example of the long journey faced by scientists【C10】______brain-stimulation and cognitive-stimulation techniques.【C11】______other researchers in the community, he has dealt with public【C12】______about safety and side effects, plus【C13】______from other scientists about whether these findings would hold in the wider population. There are also ethical questions about the technique.【C14】______it truly works to enhance cognitive performance, should it be【C15】______to anyone who can afford to buy the device—which already is【C16】______for sale in the U.S.? Should parents be able to perform. such stimulation on their kids without【C17】______? 'Its early days but that hasnt stopped some companies from【C18】______the device and marketing it as a learning tool,' Dr. Cohen Kadosh says. 'Be very【C19】______.' However, if the technique continues to show【C20】______, 'this type of method may have a chance to be the new drug of the 21st century,' says Dr. Cohen Kadosh.【C1】A.soldB.formedC.placedD.dedicated

未分类题The rigid higher-education business is about to experience a welcome earthquake. Traditional universities now face a new【C1】______in the form. of massive open online courses, or MOOCs. These digitally-delivered courses, which teach students via the【C2】______or tablet apps, have big【C3】______over their established rivals. With low startup costs and powerful economies of scale, online courses【C4】______lower the price of learning and【C5】______access to it, by【C6】______the need for students to be taught at set times or places. The low cost of【C7】______courses—creating a new one costs about $70,000— means they can be sold【C8】______, or even given away. Clayton Christensen of Harvard Business School considers MOOCs a【C9】______'disruptive technology' that will kill off many【C10】______universities. 'Fifteen years from now more than half of the universities in America will be in bankruptcy,' he【C11】______last year. 【C12】______, traditional universities have a few favorable aspects. As well as teaching, examining and certification, college education creates social capital. Students learn how to【C13】______present themselves, make contacts and roll joints. How can a digital college experience give all of that? The answer may be to【C14】______the two. Anant Agarwal, who runs edX-, one of established MOOCs, proposes an alternative to the【C15】______American four-year degree course. Students could spend an introductory year learning via a MOOC,【C16】______by two years attending university and a final year starting part-time work while【C17】______their studies online. This sort of【C18】______learning might prove more attractive than a four-year online degree. It could also【C19】______those who want to integrate learning with work or child-rearing, freeing them from timetables assembled to【C20】______academics.【C1】A.followerB.innovatorC.competitorD.programmer

未分类题When asked specifically about the creative process, Dr. Schutz explained that fear is most responsible for blocking the creativity of a person. Fear of not being creative. Some people simply【C1】______their creativity in specific circumstances【C2】______others in more extreme circumstances feel unable to be creative【C3】______. Either way, the creative process【C4】______becomes blocked. If youre worried about being creative, its almost certain to【C5】______problems. For the best creative results【C6】______fear and let the ideas flow. Fear of lacking rationality. In order to best share ideas with others we need to【C7】______them in a logical and rational way. At times,【C8】______, its best for the creative process to not worry too much about being logical. Trust your ability to come up with a rational【C9】______when your ideas are put into practice and dont let worrying about logic【C10】______the flow of ideas early on. Fear of humiliation and embarrassment. A fear of feeling inadequate will【C11】______your creativity. When were【C12】______worried about others opinions, the creative ideas will be【C13】______by our own anxieties. There is a time to worry about others【C14】______, but that time is not during the early creative【C15】______. Fear of rejection. People can be very concerned that their idea will be【C16】______completely. Creativity will not【C17】______if a person is worried about a negative outcome. These fears are【C18】______if a person is working outside of whats【C19】______considered practical, feasible or possible. The【C20】______is that this is where some of the best creative ideas come from.【C1】A.trustB.denyC.refuteD.doubt

未分类题'AMZN' is a four-letter word to many booksellers. The online retailer has been【C1】______of killing the bookselling industry. It certainly has【C2】______high street chains. But physical bookstore booksellers may【C3】______from Amazons latest announcement. On January 7th the company【C4】______the option of free delivery—which it calls 'Super Saver'—for book orders under £10 in Britain. This follows a【C5】______of the free-delivery option in July 2013, and【C6】______a similar scheme the retailer has introduced in America Amazons aim is to push customers towards its Prime service, which costs £49 a year for next-day delivery on orders of any price and also includes its locker service. This preferential treatment has proven【C7】______And they seem to buy more【C8】______than non-Prime customers. But the【C9】______carries a risk. Amazon may【C10】______casual book buyers, for whom a Prime subscription would be【C11】______from shopping online—and send them back to physical shops. Such buyers may【C12】______away from delivery charges that will now【C13】______25% or more of an orders total【C14】______when buying a single book from Amazon. Readers could simply【C15】______their online buying habits, for instance by keeping a reading list and buying several books at a time. And the higher delivery【C16】______will make many books on Amazon as【C17】______as in high-street shops. Yet Amazon, which had a【C18】______Christmas season, selling 426 items each second, may not care if buyers give up physical books.【C19】______surveys show that people prefer the【C20】______of a newly printed book and the ability to crack the spine of a page-turner.【C1】A.remindedB.accusedC.convincedD.approved