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在军用望远镜中通常会加入普罗I型转像棱镜，它在系统中所起的作用是( )、( )和( )。
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一学生带500度近视镜，则该近视镜的焦距为( )，该学生裸眼所能看清的最远距离为( )。
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People landing at London’S Heathrow airport have something new to look at as they fly overBritain’S capital city．It is attractive，simple and a little strange．The Millennium Dome is a huge semi-circle of plastic and steel and it contains the largest public space in the world．It has been built to house an exhibition of all that is best in British life，learning and leisure． The Millennium Dome was designed by Sir Richard Rogers，one of British’S most famous architects．His work points the way to new developments in buildin9．Think of it as a giant symbol of the buildings in which we will all be living and working in the near future． Buildings are also a part of history．They express the culture of the times．Sir Richard Rogers is aware of this responsibility．While different designers have individual styles，their work also has a common style．That is：to express the values of the information age． What is an“information age”building？The dome is a good example．After the Millennium exhibition ends，it will be used for another purpose．Just as people no longer have“jobs for life”，modem buildings are designed for a number of different use for another Richard Roger’s building，the Pompidous Center（蓬皮杜艺术中心）in paris，uses the idea that information is communication．Instead of being hidden in the walls，heating pipes and elevators are open to public view．The Pompidous Center is a very honest building．It tells you how it works．
The Millennium Dome has been originally buih to hold an exhibition__________ ．
Alcohol does the following harm EXCEPT__________ ．
__________ your jacket，please．The room is very warnl．
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