Unit 1 In the library 1
★Analog test（模拟测试） 1
A Written self-test（笔试自测） 1
目录 1
★★Detailed explanation of the important and difficult points（课文重点难点详解） 8
B The learning approach of this unit（本单元学习方法） 8
C Key word study-a breakthrough（重点词汇突破） 8
D Language points frequently appearing in exams（热门考点分析） 9
E Removing doubts（课文疑难句详解） 9
F Key of the analog test（模拟测试答案） 11
G Explanation of some of the questions in the analog test（测试评讲） 11
★★★Key and detailed explanation（答案与详解） 11
Unit 2 Water sports 13
★Analog test（模拟测试） 13
A Written self-test（笔试自测） 13
★★Detailed explanation of the important and difficult points （课文重点难点详解） 20
B The learning approach of this unit（本单元学习方法） 20
C Key word study-a breakthrough（重点词汇突破） 21
D Language points frequently appearing in exams（热门考点分析） 21
E Removing doubts（课文疑难句详解） 22
★★★Key and detailed explanation（答案与详解） 23
F Key of the analog test（模拟测试答案） 23
G Explanation of some of the questions in the analogtest（测试评讲） 24
A Written self-test（笔试自测） 25
Unit 3 Make our world more beautiful！ 25
★Analog test（模拟测试） 25
★★Detailed explanation of the important and difficult points（课文重点难点详解） 32
B The learning approach of this unit（本单元学习方法） 32
C Key word study-a breakthrough（重点词汇突破） 32
D Language points frequently appearing in exams（热门考点分析） 33
E Removing doubts（课文疑难句详解） 34
★★★Key and detailed explanation（答案与详解） 35
F Key of the analog test（模拟测试答案） 35
G Explanation of some of the questions in the analog test（测试评讲） 35
★Analog test（模拟测试） 37
A Written self-test（笔试自测） 37
Unit 4 Travel 37
★★Detailed explanation of the important and difficult points（课文重点难点详解） 44
B The learning approach of this unit（本单元学习方法） 44
C Key word study-a breakthrough（重点词汇突破） 44
D Language points frequently appearing in exams（热门考点分析） 45
E Removing doubts（课文疑难句详解） 45
★★★Key and detailed explanation（答案与详解） 46
F Key of the analog test（模拟测试答案） 46
G Explanation of some of the questions in the analog test（测试评讲） 47
Unit 5 Have a good time！ 48
★Analog test（模拟测试） 48
A Written self-test（笔试自测） 48
B The learning approach of this unit（本单元学习方法） 55
★★Detailed explanation of the important and difficult points（课文重点难点详解） 55
C Key word study-a breakthrough（重点词汇突破） 56
D Language points frequently appearing in exams（热门考点分析） 56
E Removing doubts（课文疑难句详解） 57
★★★Key and detailed explanation（答案与详解） 59
F Key of the analog test（模拟测试答案） 59
G Explanation of some of the questions in the analog test（测试评讲） 59
Unit 6 Mainly revision 61
A Written self-test（笔试自测） 61
★★Detailed explanation of the impo rtant and difficult points（课文重点难点详解） 68
B The learning approach of this unit（本单元学习方法） 68
C Key word study-a breakthrough（重点词汇突破） 68
D Language points frequently appearing in exams（热门考点分析） 70
E Removing doubts（课文疑难句详解） 71
★★★Key and detailed explanation（答案与详解） 73
F Key of the analog test（模拟测试答案） 73
G Explanation of some of the questions in the analog test（测试评讲） 74
Unit 7 A man who never gave up 75
★Analog test（模拟测试） 75
A Written self-test（笔试自测） 75
★★Detailed explanation of the important and difficult points（课文重点难点详解） 82
B The learning approach of this unit（本单元学习方法） 82
C Key word study-a breakthrough（重点词汇突破） 83
D Removing doubts（课文疑难句详解） 83
E Key of the analog test（模拟测试答案） 84
★★★Key and detailed explanation（答案与详解） 84
F Explanation of some of the questions in the analog test（测试评讲） 85
Unit 8 Merry Christmas！ 86
★Analog test（模拟测试） 86
A Written self-test（笔试自测） 86
★★Detailed explanation of the important and difficult points（课文重点难点详解） 93
B The learning approach of this unit（本单元学习方法） 93
C Key word study-a breakth rough（重点词汇突破） 93
D Language points frequently appearing in exams（热门考点分析） 95
E Removing doubts（课文疑难句详解） 95
★★★Key and detailed explanation（答案与详解） 96
F Key of the analog test（模拟测试答案） 96
G Explanation of some of the questions in the analog test（测试评讲） 97
Unit 9 What is it made of？ 98
★Analog test（模拟测试） 98
A Written self-test（笔试自测） 98
★★Detailed explanation of the important and difficult points（课文重点难点详解） 106
B The learning approach of this unit（本单元学习方法） 106
C Key word study-a breakthrough（重点词汇突破） 107
D Language points frequently appearing in exams（热门考点分析） 108
E Removing doubts（课文疑难句详解） 109
★★★ Key and detailed explanation（答案与详解） 111
F Key of the analog test（模拟测试答案） 111
G Explanation of some of the questions in the analog test（测试评讲） 112
A Written self-test（笔试自测） 113
Unit 10 When was it built？ 113
★Analog test（模拟测试） 113
★★Detailed explanation of the important and difficult points（课文重点难点详解） 120
B The learning approach of this unit（本单元学习方法） 120
C Key word study-a breakthrough（重点词汇突破） 121
D Language points frequently appearing in exams（热门考点分析） 122
E Removing doubts（课文疑难句详解） 123
★★★Key and detailed explanation（答案与详解） 124
F Key of the analog test（模拟测试答案） 124
G Explanation of some of the questions in the analog test（测试评讲） 125
★Analog test（模拟测试） 126
A Written self-test（笔试自测） 126
Unit 11 Planting trees 126
★★Detailed explanation of the important and difficult points（课文重点难点详解） 133
B The learning approach of this unit（本单元学习方法） 133
C Key word study-a breakthrough（重点词汇突破） 134
D Language points frequently appearing in exams（热门考点分析） 135
E Removing doubts（课文疑难句详解） 136
★★★Key and detailed explanation（答案与详解） 138
F Key of the analog test（模拟测试答案） 138
G Explanation of some of the questions in the analog test（测试评讲） 139
Unit 12 Mainly revision 140
★Analog test（模拟测试） 140
A Written self-test（笔试自测） 140
B The learning approach of this unit（本单元学习方法） 147
★★Detailed explanation of the important and difficult points（课文重点难点详解） 147
C Key word study-a breakthrough（重点词汇突破） 148
D Language points frequently appearingin exams（热门考点分析） 149
E Removing doubts（课文疑难句详解） 150
★★★Key and detailed explanation（答案与详解） 152
F Key of the analog test（模拟测试答案） 152
G Explanation of some of the questions in the analog test（测试评讲） 152
Unit 13 The world's population 154
★Analog test（模拟测试） 154
A Written self-test（笔试自测） 154
★★Detailed explanation of the important and difficult points（课文重点难点详解） 161
B The learning approach of this unit（本单元学习方法） 161
C Key word study-a breakthrough（重点词汇突破） 162
D Language points frequently appearing in exams（热门考点分析） 164
E Removing doubts（课文疑难句详解） 165
★★★Key and detailed explanation（答案与详解） 167
F Key of the analog test（模拟测试答案） 167
G Explanation of some of the questions in the analog test（测试评讲） 167
Unit 14 Shopping 169
A Written self-test（笔试自测） 169
★★Detailed explanation of the important and difficult points（课文重点难点详解） 176
B The earning approach of this unit（本单元学习方法） 176
C Key word study-a breakthrough（重点词汇突破） 177
D Language points frequently appearing in exams（热门考点分析） 178
E Removing doubts（课文疑难句详解） 179
F Key of the analog test（模拟测试答案） 180
G Explanation of some of the questions in the analog test（测试评讲） 180
★★★Key and detailed explanation（答案与详解） 180
Unit 15 A doctor for animals 182
★Analog test（模拟测试） 182
A Written self-test（笔试自测） 182
★★Detailed explanation of the important and difficult points（课文重点难点详解） 188
B The learning approach of this unit（本单元学习方法） 188
C Key word study-a breakthrough（重点词汇突破） 188
D Language points frequently appearing in exams（热门考点分析） 189
E Removing doubts（课文疑难句详解） 190
F Key of the analog test（模拟测试答案） 191
★★★Key and detailed explanation（答案与详解） 191
G Explanation of some of the questions in the analog test（测试评讲） 192
Unit 16 The football match 193
★Analog test（模拟测试） 193
A Written self-test（笔试自测） 193
★★Detailed explanation of the important and difficult points（课文重点难点详解） 200
B The learning approach of this unit（本单元学习方法） 200
C Key word study-a breakthrough（重点词汇突破） 200
D Language points frequently appearing in exams（热门考点分析） 201
E Removing doubts（课文疑难句详解） 201
★★★Key and detailed explanation（答案与详解） 203
F Key of the analog test（模拟测试答案） 203
G Explanation of some of the questions in the analog test（测试评讲） 204
★Analog test（模拟测试） 205
A Written self-test（笔试自测） 205
Unit 17 The missing necklace 205
★★Detailed explanation of the important and difficult points（课文重点难点详解） 211
B The learning approach of this unit（本单元学习方法） 211
C Key word study-a breakthrough（重点词汇突破） 212
D Language points frequently appearing in exams（热门考点分析） 213
E Removing doubts（课文疑难句详解） 213
★★★Key and detailed explanation（答案与详解） 214
F Key of the analog test（模拟测试答案） 214
G Explanation of some of the questions in the analog test（测试评讲） 215
A Written self-test（笔试自测） 216
Unit 18 Mainly revision 216
★Analog test（模拟测试） 216
★★Detailed explanation of the important and difficult points（课文重点难点详解） 223
B The learning approach of this unit（本单元学习方法） 223
C Key word study-a breakthrough（重点词汇突破） 223
D Language points frequently appearing in exams（热门考点分析） 224
E Removing doubts（课文疑难句详解） 225
★★★Key and detailed explanation（答案与详解） 226
F Key of the analog test（模拟测试答案） 226
G Explanation of some of the questions in the analog test（测试评讲） 227
附录一 228
附录二 289