《大学英语b复习资料》unit 3，book 1, 2014.ppt

Paras 4-5 1. What is the basic means to educate people about science? How is science taught in schools? 3. What does the author think of equations as a way of expressing scientific ideas? 4. Are there any other ways to teach scientific concepts besides equations? ? Para 6 5. What limited role can books and magazines play in popularizing scientific ideas? 6. What is the responsibility of TV science program producers? Para 7 7. What does the author think of the future of human civilization? What can be done to ___ this interest and give the public the scientific background it needs to make ___ ___ on subjects like acid rain, the greenhouse effect, nuclear weapons, and genetic engineering? Clearly, the basis must ___ ___ what is taught in schools. But in schools science is often presented in a ___ and ___ manner. Children ___ it ___ ___ to pass examinations, and they don’t see its ___ to the world around them. Moreover, science is often taught ___ ___ ___ equations. Although equations are a ___ and ___ way of describing mathematical ideas, they ___ most people. When I wrote a popular book recently, I was advised that each equation I included would ___ the sales. I included one equation, Einstein’s famous ___, E=mc2. Maybe I would have sold twice as many copies without it. Scientists and engineers tend to express their ideas ___ ___ ___ ___ equations because they need to know the precise values of ___. But for the rest of us, a ___ grasp of scientific concepts is ___, and this can be ___ by words and ___, without the use of equations. _______________ (从薪水来看), the job is terrible. ?2. The figures are expressed __________ (以百分比的形式). 3. I think _______________ (她对……犹豫不决) whether to accept his present or not. ? He’s very good at _________________(清楚解释他的观点). ?5. The root of all these events_______________ (在于历史). 6. The play’s interest ___________________(在于它提出了一些婚姻方面的问题). 7. It is hard to imagine how our forefathers could ________