《新科技英语阅读教程 下》

（目录）1

Unit Six1

Part One Discourse Features1

Calculation and Measurement1

Sample A The Interior of the Earth6

Sample B The Growth of Population11

Sample C Global Effects of Pollution on Climate18

Part Two Readings on Scientific Topics26

The Science of the Parranormal26

Passage A26

Passage B34

Passage C39

Passage D43

Unit Seven49

Part One Discourse Features49

Argumentation49

Sample A Embattled Genes52

Sample B The Need for Intermediate Technology(Ⅰ)59

Sample C The Need for Intermediate Technology(Ⅱ)65

Part Two Readings on scientific Topics71

Space Science71

Passage A71

Passage B77

Passage C83

Passage D86

Passage E90

Unit Eight98

Part One Discourse Features98

Science Abstracts98

Part Two Readinngs on Scientific Topics113

Genetic Engineering and Biochemistry113

Passage A113

Passage B119

Passage C129

Passage D134

Foreign Trade and Business Letter142

Unit Nine142

Part One Discourse Features142

Sample A146

Sample B147

Sample C149

Sample D150

Sample E151

Part Two Readings on Scientific T opics154

Commerce154

Passage A154

Passage B161

Glossary169