Ⅰ.Leaming Target(学习目标) 1
Unit 1 Is There Life on Earth？ 1
Ⅱ.Background Information of the Text(课文背景知识) 2
Ⅲ.Summary of the Text(课文内容概述) 3
Ⅳ.Key Words and Expressions(重点词汇及词组) 3
Ⅴ.Difficult Sentences(难句详解) 7
Ⅵ.Model Test of Band 4(四级模拟测试) 10
Unit 2 The Dinner Party 15
Ⅰ.Learning Target(学习目标) 15
Ⅱ.Background Information of the Text(课文背景知识) 16
Ⅲ.Summary of the Text(课文内容概述) 16
Ⅳ.Key Words and Expressions(重点词汇及词组) 17
Ⅴ.Difficult Sentences(难句详解) 20
Ⅵ.Model Test of Band 4(四级模拟测试) 23
Ⅰ.Learning Target(学习目标) 26
Unit 3 Lessons from Jefferson 26
Ⅱ.Background Information of the Text(课文背景知识) 27
Ⅳ.Key Words and Expressions(重点词汇及词组) 28
Ⅲ.Summary of the Text(课文内容概述) 28
Ⅴ.Difficult Sentences(难句详解) 33
Ⅵ.Model Test of Band 4(四级模拟测试) 36
Ⅰ.Learning Target(学习目标) 40
Unit 4 My First Job 40
Ⅱ.Background Information of the Text(课文背景知识) 41
Ⅳ.Key Words and Expressions(重点词汇及词组) 42
Ⅲ.Summary of the Text(课文内容概述) 42
Ⅴ.Difficult Sentences(难句详解) 44
Ⅵ.Model Test of Band 4(四级模拟测试) 48
Unit 5 The Professor and the Yo-Yo 52
Ⅰ.Learning Target(学习目标) 52
Ⅱ.Background Information of the Text(课文背景知识) 53
Ⅲ.Summary of the Text(课文内容概述) 54
Ⅳ.Key Words and Expressions(重点词汇及词组) 54
Ⅴ.Difficult Sentences(难句详解) 59
Ⅵ.Model Test of Band 4(四级模拟测试) 61
Ⅰ.Learning Target(学习目标) 65
Unit 6 The Making of a Surgeon 65
Ⅱ.Background Information of the Text(课文背景知识) 66
Ⅲ.Summary of the Text(课文内容概述) 67
Ⅳ.Key Words and Expressions(重点词汇及词组) 67
Ⅴ.Difficult Sentences(难句详解) 72
Ⅵ.Model Test of Band 4(四级模拟测试) 75
Ⅰ.Learning Target(学习目标) 79
Unit 7 There's Only Luck 79
Ⅱ.Background Information of the Text(课文背景知识) 81
Ⅳ.Key Words and Expressions(重点词汇及词组) 83
Ⅲ.Summary of the Text(课文内容概述) 83
Ⅴ.Difficult Sentences(难句详解) 91
Ⅵ.Model Test of Band 4(四级模拟测试) 94
Unit 8 Honesty：Is It Going Out of Style？ 98
Ⅰ.Learning Target(学习目标) 98
Ⅱ.Background Information of the Text(课文背景知识) 100
Ⅳ.Key Words and Expressions(重点词汇及词组) 101
Ⅲ.Summary of the Text(课文内容概述) 101
Ⅴ.Difficult Sentences(难句详解) 107
Ⅵ.Model Test of Band 4(四级模拟测试) 110
Ⅰ.Learning Target(学习目标) 114
Unit 9 What Is Intelligence，Anyway？ 114
Ⅱ.Background Information of the Text(课文背景知识) 116
Ⅲ.Summary of the Text(课文内容概述) 117
Ⅳ.Key Words and Expressions(重点词汇及词组) 117
Ⅴ.Difficult Sentences(难句详解) 123
Ⅵ.Model Test of Band 4(四级模拟测试) 125
Unit 10 Profits of Praise 129
Ⅰ.Learning Target(学习目标) 129
Ⅱ.Background Information of the Text(课文背景知识) 130
Ⅲ.Summary of the Text(课文内容概述) 130
Ⅳ.Key Words and Expressions(重点词汇及词组) 130
Ⅴ.Difficult Sentences(难句详解) 136
Ⅵ.Model Test of Band 4(四级模拟测试) 139
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 143
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 152
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 155
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 164
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 166
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 176
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 180
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 189
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 193
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 203
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 205
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 218
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 221
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 230
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 233
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 245
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 247
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 256
Ⅶ.Detailed Explanation of the Exercises(课后练习详解) 260
Ⅷ.Detailed Explanation of the Test(模拟测试详解) 272
Ⅸ.Chinese Versions(中文译文) 276
Ⅸ.Chinese Versions(中文译文) 279
Ⅸ.Chinese Versions(中文译文) 281
Ⅸ.Chinese Versions(中文译文) 284
Ⅸ.Chinese Versions(中文译文) 288
Ⅸ.Chinese Versions(中文译文) 291
Ⅸ.Chinese Versions(中文译文) 294
Ⅸ.Chinese Versions(中文译文) 298
Ⅸ.Chinese Versions(中文译文) 303
Ⅸ.Chinese Versions(中文译文) 306