题目

渔夫大明的眼睛在A处看到B处有一条鱼，眼睛看到的是_____（C/D）处鱼的________（虚像/实像），这是由于光从_______中斜射入_______中时发生了折射，折射角________（小于/等于/大于）入射角导致的。若在A处发射一束光照亮水中的鱼，光束应朝向____（B/C/D）处。 答案：【答案】D 虚像 水 空气 大于 B 【解析】[1][2][3][4][5]鱼反射的光线从水中斜射到空气中发生折射，折射光线远离法线，折射角大于入射角，所以人眼逆着折射光线看上去，看到的鱼的像比其实际位置浅，即渔夫大明的眼睛在A处看到B处有一条鱼，眼睛看到的是D处鱼的虚像。[6]根据光的可逆性，若在A处发Jane Austen,a famous English writer,was born at Steventon,Hampshire,on ?December? 16,1775,and died on July 18,1817.She began writing early in life,although the prejudices(偏见）of her times forced her to have her books published anonymously(匿名）.? But Jane Austen is perhaps the best known and best loved of Bath’s many famous local people and visitors.She paid two long visits here during the last five years of the eighteenth century and from 1801 to 1806,Bath was her home.Her deep knowledge of the city is fully seen in two of her novels,Northanger Abbey and Persuasion,which are largely set in Bath.The city is still very much as Jane Austen knew it,keeping in its streets and public buildings the well-ordered world that she described so well in her novels.Now the pleasure of learning Jane Austen’s Bath can be enhanced(增强）by visiting the Jane Austen Centre in Gay Street.Here,in a Georgian town house in the heart of the city,you can find out more about Bath in Jane Austen’s time and the importance of Bath in her life and work.? The Center has been set up with the help and guidance of members of the Jane Austen Society.After your visit to the Center,you can look round the attractive shop,which offers a huge collection of Jane Austen related books,cards and many specially designed gifts.Jane Austen quizzes are offered to keep the children busy. You can also have walking tours of Jane Austen’s Bath,which is a great way to find out more about Jane Austen and discover the wonderful Georgian city of Bath.The tour lasts about one and a half hours.The experienced guides will take you to the places where Jane lived,walked and shopped. 1.Jane Austen paid two long visits to Bath __________.? A.in her early twenties　　　 B.in her early teens? C.in her late twenties　　　 D.in her late teens? 2.What can we learn about Bath from the passage?? A.Bath has greatly changed since Jane Austen’s death.? B.The city has changed as much as Jane Austen knew it.? C.Bath remains almost the same as in Jane Austen’s time.? D.No changes have taken place in Bath since Jane Austen’s time.? 3.The author(作者）writes this passage in order to __________.? A.attract readers to visit the city of Bath? B.ask readers to buy Austen’s books? C.tell readers about Jane Austen’s experience? D.give a brief introduction to the Jane Austen Society? 4.It takes you about one and a half hours __________.? A.to get to the Jane Austen Center in Gay Street? B.to buy Jane Austen related books,cards and gifts? C.to find a guide to take you to the Center? D.to look around the city of Bath on foot