Unit 1 Getting along with others Period 1 Welcome to the unit Period 2 Reading Period 3 Language points Period 4 Word power Period 5 Grammar and usage(1) Period 6 Grammar and usage(2) Period 7 Task Period 8 Project Period 9 Self-assessment Unit 2 The environment Period 1 Welcome to the unit Period 2 Reading Period 3 Language points Period 4 Word power Period 5 Grammar and usage(1) Period 6 Grammar and usage(2) Period 7 Task Period 8 Project Period 9 Self-assessment Unit 3 Science versus nature Period 1 Welcome to the unit Period 2 Reading Period 3 Language points Period 4 Word power Period 5 Grammar and usage(1) Period 6 Grammar and usage(2) Period 7 Task Period 8 Project Period 9 Self-assessment 模块测试卷 附:参考答案与点拨