UNIT 1 SCIENCE AND SCIENTISTS
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language
Section Ⅳ Assessing Your Progress
单元专项提升
语法帮
写作帮
高考帮 含读后续写微专题
UNIT 2 BRIDGING CULTURES
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language
Section Ⅳ Assessing Your Progress & Video Time
单元专项提升
语法帮
写作帮
高考帮 含读后续写微专题
……