PASSAGE 20 Architecture Architecture is to building as literature is to the printed word. The best buildings are often so well constructed that they o...
PASSAGE 19Geology and HealthThe importance of particular metals in the human diet has been realized within the past few decades， and the idea that geo...
PASSAGE 18Volts from the SkyLightning has caused awe and wonder since old times. Although Benjamin Franklin demonstrated lightning as enormous electri...
PASSAGE 17The Open University in Britain1 In 1963 the leader of the Labour Party made a speech explaining plans for a university of the air”-an...
PASSAGE 16Museums in the Modern WorldMuseums have changed. They are no longer places for the privileged few or for bored vacationers to visit on rainy...
PASSAGE 15Transport and TradeTransport is one of the aids to trade. By moving goods from places where they are plentiful to places where they are scar...
PASSAGE 14 ?EarthquakeEvery year earthquakes are responsible for a large number of deaths and a vest amount of destruction in various parts of the wor...
PASSAGE 13?Air TransportationAirplanes are used to carry passengers， cargo and mail. Air transport companies operate scheduled airlines and non-schedu...
PASSAGE 12 ?Adult EducationVoluntary learning in organized courses by mature men and women is called adult education. Such education is offered to mak...
PASSAGE 11?ParisParis， the capital and the largest city of the country， is in north central France. The Paris metropolitan area contains nearly 20% of...