Nuclear power 1 Nuclear power can come from the fission of uranium plutonium or thorium or the fusion of hydrogen into helium. Today it is almost all uranium. The fission of an atom of uranium produces 10 million times the energy produced by the combustion of an atom of carbon from coal. By 1993, there'd been 109 licensed
Background Knowledge u Time Zones and International date Line rn 1884 scientists divided the world into 24 time zones. The time in the zone containing greenwich is called Greenwich Mean Time Going westwards around the world from Greenwich, we subtract an hour for each
Background knowledge Four steps one has to go through in looking for a job: a. Look for a post in newspapers, on TV, etc. b. Write a formal application to the target company and follow up with a call C. Get an answer from the company d. Be interviewed by the company
Translation(English to Chinese) 1. I was greatly impressed by its natural beauty when I took a study tour there two years ago 两年前,我在那里做过野外考查,那里的自然风光给我印象极深
When Laura reached school-going age the discussions about moving became more urgent Her father did not want the children to go to school with the village children and for once her mother agreed with him. Not because, as he said, they ought to have a better education than they could get at Lark Rise; but because she feared they would tear their clothes
