Contents
Unit One
Text Friends
Supplementary Reading Language
Grammar Phonetics I
Phonetics II
Unit Two
Text Using the Ocean
Supplementary Reading Why Did Dinosaurs Suddenly Die Out?
Grammar Direct Speech and Indirect Speech
Unit Three
Text The Lost Ring
Supplementary Reading Solve Children's Problems
Grammar Active Voice and Passive Voice
Unit Four
Text Smoking Cigar, Pipes Can Speed Tooth Loss
Supplementary Reading Smoking Control
Grammar The Comparative Degrce and Superlative Degree
Unit Five
Text The Early Expansion of the United States
Supplementary Reading Christopher Columbus
Grammar The Attributive Clause
UnitSix
Text Mystery of the White Gardenia
Supplementary Reading Mama
Grammar The Subjunctive Mood
Unit Seven
Text Hawaii
Supplementary Reading Alaska
Grammar The Infinitive
Unit Eight
Text Computer Crimes
Supplementary Reading Exploring Intemet: Classical Music
Grammar The Gerund
UnitNine
Text The Roots of Man
Supplementary Reading The American War of Independence
Grammar The Participle
Unit Ten
Text Microclimates
Supplementary Reading Kiss of LIfe
Grammar Inversion
Unit Eleven
Text Pollution Control
Supplementary Reading Cause and Effect of Pollution
Grammar The Adverbial Clause
Unit Twetve
Text Noise
Supplementary Reading Early Automobile
Grannnar The Noun Clause
参考答案
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还没人写过短评呢
还没人写过短评呢