新课程课后练习与评价 英语 D 九年级 上PDF电子书下载

UNIT 1 The Developing World 1

Topic 1 China has developed rapidly in recent years 1

Topic 2 What has happened to the population? 9

Topic 3 The world has changed for the better 16

UNIT 2 Saving the World 23

Topic 1 There are many kinds of pollution around us 23

Topic 2 None of us likes pollution 30

Topic 3 How green are you? 38

REVIEW 1 Review of Units 1～2(Mid-term Exam) 46

UNIT 3 English around the World 54

Topic 1 English is widely spoken around the world 54

Topic 2 Can you speak more slowly,please? 62

Topic 3 I don't know how to remember new words 70

UNIT 4 Magical science 77

Topic 1 Fantastic trip! 77

Topic 2 When was it made? 85

Topic 3 Perhaps people will fly to Mars 92

REVIEW 2 Review of Units 3～4(Mid-term Exam) 101