四、六级重点难点练习与释疑PDF电子书下载

前言 1

第一部分 语法 1

Structure Exercise 1 and Notes (代词) 1

Structure Exercise 2 and Notes (名词和冠词) 14

Structure Exercise 3 and Notes (主谓一致) 25

Structure Exercise 4 and Notes (反意疑问句) 32

Structure Exercise 5 and Notes (虚拟语气) 38

Structure Exercise 6 and Notes (语序和倒装) 51

Structure Exercise 7 and Notes (时态、语态、助动词) 60

Structure Exercise 8 and Notes (非谓语动词) 76

Structure Exercise 9 and Notes (形容词和副词) 104

Structure Exercise 10 and Notes (连词和从句) 115

Structure Exercise 11 and Notes (综合练习) 130

第二部分 词汇 173

Vocabulary Exercise 1 and Notes (名词+介词) 173

Vocabulary Exercise 2 and Notes (形容词+介词) 188

Vocabulary Exercise 3 and Notes (短语动词) 208

Vocabulary Exercise 4 and Notes (介词和介词短语) 270

Vocabulary Exercise 5 and Notes (成语) 335

Vocabulary Exercise 6 and Notes (综合练习) 365

第三部分 练习答案 459

Keys to Structure Exercises 459

Keys to Vocabulary Exercises 463