Unit One Is There Life on Earth? 1
Ⅰ．课文概况与背景 1
Ⅱ．四、六级考试重点词汇与词组详解 2
Ⅲ．句子疑难详解 15
Ⅳ．语篇赏析点滴 17
Ⅴ．课文练习答案 18
Ⅵ．四、六级核心词汇与词组测试 24
Unit Two The Dinner Party 26
Ⅰ．课文概况与背景 26
Ⅱ．四、六级考试重点词汇与词组详解 26
Ⅲ．句子疑难详解 38
Ⅳ．语篇赏析点滴 41
Ⅴ．课文练习答案 41
Ⅵ．四、六级核心词汇与词组测试 47
Unit Three Lessons from Jefferson 50
Ⅰ．课文概况与背景 50
Ⅱ．四、六级考试重点词汇与词组详解 51
Ⅲ．句子疑难详解 66
Ⅳ．语篇赏析点滴 69
Ⅴ．课文练习答案 69
Ⅵ．四、六级核心词汇与词组测试 77
Unit Four My First Job 79
Ⅰ．课文概况与背景 79
Ⅱ．四、六级考试重点词汇与词组详解 80
Ⅲ．句子疑难详解 88
Ⅳ．语篇赏析点滴 89
Ⅴ．课文练习答案 90
Ⅵ．四、六级核心词汇与词组测试 96
Unit Five The Professor and the Yo-Yo 99
Ⅰ．课文概况与背景 99
Ⅱ．四、六级考试重点词汇与词组详解 99
Ⅲ．句子疑难详解 114
Ⅳ．语篇赏析点滴 115
Ⅴ．课文练习答案 116
Ⅵ．四、六级核心词汇与词组测试 122
Unit Six The Making of a Surgeon 124
Ⅰ．课文概况与背景 124
Ⅱ．四、六级考试重点词汇与词组详解 124
Ⅲ．句子疑难详解 137
Ⅳ．语篇赏析点滴 139
Ⅴ．课文练习答案 139
Ⅵ．四、六级核心词汇与词组测试 146
Unit Seven There's Only Luck 148
Ⅰ．课文概况与背景 148
Ⅱ．四、六级考试重点词汇与词组详解 148
Ⅲ．句子疑难详解 164
Ⅳ．语篇赏析点滴 167
Ⅴ．课文练习答案 168
Ⅵ．四、六级核心词汇与词组测试 173
Unit Eight Honesty:Is It Going Out of Style? 176
Ⅰ．课文概况与背景 176
Ⅱ．四、六级考试重点词汇与词组详解 176
Ⅲ．句子疑难详解 191
Ⅳ．语篇赏析点滴 193
Ⅴ．课文练习答案 193
Ⅵ．四、六级核心词汇与词组测试 201
Unit Nine What Is Intelligence,Anyway? 203
Ⅰ．课文概况与背景 203
Ⅱ．四、六级考试重点词汇与词组详解 203
Ⅲ．句子疑难详解 214
Ⅳ．语篇赏析点滴 215
Ⅴ．课文练习答案 215
Ⅵ．四、六级核心词汇与词组测试 221
Unit Ten Profits of Praise 223
Ⅰ．课文概况与背景 223
Ⅱ．四、六级考试重点词汇与词组详解 223
Ⅲ．句子疑难详解 239
Ⅳ．语篇赏析点滴 240
Ⅴ．课文练习答案 241
Ⅵ．四、六级核心词汇与词组测试 248