新科技英语阅读教程 下PDF电子书下载

（目录） 1

Unit Six 1

Part One Discourse Features 1

Calculation and Measurement 1

Sample A The Interior of the Earth 6

Sample B The Growth of Population 11

Sample C Global Effects of Pollution on Climate 18

Part Two Readings on Scientific Topics 26

The Science of the Parranormal 26

Passage A 26

Passage B 34

Passage C 39

Passage D 43

Unit Seven 49

Part One Discourse Features 49

Argumentation 49

Sample A Embattled Genes 52

Sample B The Need for Intermediate Technology(Ⅰ) 59

Sample C The Need for Intermediate Technology(Ⅱ) 65

Part Two Readings on scientific Topics 71

Space Science 71

Passage A 71

Passage B 77

Passage C 83

Passage D 86

Passage E 90

Unit Eight 98

Part One Discourse Features 98

Science Abstracts 98

Part Two Readinngs on Scientific Topics 113

Genetic Engineering and Biochemistry 113

Passage A 113

Passage B 119

Passage C 129

Passage D 134

Foreign Trade and Business Letter 142

Unit Nine 142

Part One Discourse Features 142

Sample A 146

Sample B 147

Sample C 149

Sample D 150

Sample E 151

Part Two Readings on Scientific T opics 154

Commerce 154

Passage A 154

Passage B 161

Glossary 169