目录 1
Book Ⅰ．练习答案 1
Key to Lesson One 1
Key to Lesson Two 1
Key to Lesson Three 2
Key to Lesson Four 4
Key to Lesson Five 5
Key to Lesson Six 7
Key to Lesson Seven 9
Key to Lesson Eight 10
Key to Lesson Nine 13
Key to Lesson Ten 14
Key to Lesson Eleven 16
Key to Lesson Twelve 18
Key to Lesson Thirteen 19
Key to Lesson Fourteen 21
Key to Lesson Fifteen 23
Book Ⅱ．练习答案 26
Key to Lesson One 26
Key to Lesson Two 29
Key to Lesson Three 30
Key to Lesson Four 32
Key to Lesson Five 34
Key to Lesson Six 37
Key to Lesson Seven 39
Key to Lesson Eight 41
Key to Lesson Nine 42
Key to Lesson Ten 44
Key to Lesson Eleven 45
Key to Lesson Twelve 46
Key to Lesson Thirteen 47
Key to Lesson Fourteen 49
Key to LessoN Fifteen 50
Book Ⅰ．课文翻译 53
BookⅡ．课文翻译 65
语法 88
音标 88
冠词 91
名词 94
代词 96
数词 104
介词 106
动词时态 109
被动语态 115
句子的强调问题 118
主语与谓语一致的问题 118
疑问句 121
句子的种类和名词从句 123
定语从句 126
倒装 131
构词法 132
非谓语动词 136
动词不定式 137
动名词 140
分词 143
形容词与副词 146
形容词和副词的比较级和最高级 149
常用动词间的区别 152
连词 155
状语从句 157
虚拟语气 160
It的用法 163
否定形式…………………………………………………………………………………（16？）直接引语与间接引语 168
Test 172