Unit 6 郧阳师专英语系综合英语教研室
Unit 6 郧阳师专英语系综合英语教研室
Background knowledge Nuclear power 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 power reactors in the U.S. and about 400 in the world They generate about 20 percent of the U.S. electricity
Background knowledge ◼ Nuclear Power ◼ 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 power reactors in the U.S. and about 400 in the world. They generate about 20 percent of the U.S. electricity
Four types of the text Description(描述) 1s painting a picture n words of a person, place, object, or scene Narration(记叙 )writing includes stories, real or imaginary, biographies, histories. new items and narrative poems
Four types of the text ◼ Description(描述) is painting a picture in words of a person, place, object, or scene. ◼ Narration (记叙)writing includes stories , real or imaginary, biographies, histories, new items, and narrative poems
Exposition (i el)is perhaps the type of writing that is more frequen tly used by a student, a scientist, or a professional, exposition means expounding or explaining Argumentation(议以论) essay tries to make the reader agree with its point of view and support it, to persuade him to change his mind or behavior, and to approve a policy or a course of action that it proposes
◼ Exposition(说明) is perhaps the type of writing that is more frequently used by a student, a scientist, or a professional, exposition means expounding or explaining. ◼ Argumentation(议论) essay tries to make the reader agree with its point of view and support it, to persuade him to change his mind or behavior, and to approve a policy or a course of action that it proposes
Types of the text a This is a piece of persuasive writing. The writer deals with a controversial issue--the possibility and practicability of atomic cars. He wishes to persuade the reader to share his own reasoning and conclusion. He considers both sides of the controversy realistically. He presents known facts and bases his hypotheses on the facts. T he following shows how the two sides of the problem are put forward
Types of the text ◼ This is a piece of persuasive writing. The writer deals with a controversial issue--the possibility and practicability of atomic cars. He wishes to persuade the reader to share his own reasoning and conclusion. He considers both sides of the controversy realistically. He presents known facts and bases his hypotheses on the facts.Ｔhe following shows how the two sides of the problem are put forward: