题目

关于光现象，下列说法正确的是 A . 月食是光的由于光的折射形成的 B . 光从空气射入水中后传播速度会变大 C . 物体通过平面镜能成正立、等大的实像 D . 太阳光是白色的，白光是由各种色光混合而成的 答案：D阅读下列短文，从每题所给的四个选项中选出最佳选项。 　　Governors, lawyers and business leaders have to deal with scientists，and every educated person finds his views affected by science．Yet our science teaching of non-scientists，in school and college，has built up mistaken ideas，dislikes，and the common boast，“I never did understand science．”Even those students who arrive at college with plans to become scientists usually bring a mistaken picture of science：some have a collection of unorganized facts about science，and some regard the study of science as a game which includes getting the right answer． 　　The first of these attitudes seems to come from a kind of course which provides various kinds of information；the second，from a training course on how to pass examinations that do not ask about the student'S understanding but simply require him to put the numbers in the right formulas(公式)．Neither type of courses(in school or college)seems to give students an understanding of science as we find it among scientists．Neither shows students how real scientists work and think，how the facts are gathered，how discoveries are made，and what they mean．Young people need good teaching of science，not so much a great wealth of knowledge as a healthy understanding of the nature of science．They need an understanding of knowledge leading to sympathy with science and an eagerness of the way scientists work．Given these，it is easy to encourage later reading and learning． 1．One of the reasons that cause mistaken ideas of science is due to________ [　　] A．a mistaken picture in students'mind B．the unscientific way of teaching of science C．the fact that students fail to see the influence of science D．the fact that students have a collection of unrelated facts about science 2．According to the passage，we can safely say that the subject of the passage is________． [　　] A．need for good science teaching B．every person，including governors, lawyers and business leadersshould study science C．young people should form a correct attitude to science D．students must know what science is and how scientists work and think 3．A good course of science is________． [　　] A．to teach students to do things according to formulas B．to provide students with all kinds of information C．to help students have a good understanding and form a correct attitude to science D．to encourage students to have a good command of knowledge 4．People such as governors，lawyers and business leaders deal with scientists mainly because________． [　　] A．scientists are great persons B．scientists make discoveries and apply them to help people live a morecomfortable，stable and safe life C．they owe much to scientists'contributions D．they can be affected by scientists when they are together