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。()

未分类题According to Paragraph 4, which of the following is true of the trimming?A．The number of hypotheses would be decreased.B．The sample size would be finalized later on.C．The protocols would be the focus of discussion.D．In-home assessments would be prolonged.

判断题家庭条件好，就可以不为自己的职业做准备。()

未分类题The phrase 'break the impasse' (Para. 5) is closest to the meaning '_____'.A．avoid being attackedB．break the iceC．trigger hostilityD．draw attention

未分类题According to Dr. Walter Willett, healthy lifestyle. practices will most probably_____.A．reduce combined impactB．be modestly repeatedC．be simple common sensesD．make us live longer

未分类题We can infer from this text that the author is most probably a_____.A．hunterB．biologistC．journalistD．traveler

未分类题【C2】

未分类题【C17】

未分类题【C18】

判断题第一代金融危机模型的主要特点是多重均衡和自我实现。()

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【C8】A．on averageB．by contrastC．in generalD．at most

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