UNIT Ⅰ SCIENCE AND SCIENTISTS
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language, Assessing Your
Progress & Video Time
UNIT 2 BRIDGING CULTURES
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language, Assessing Your
Progress & Video Time
FOOD AND CULTURE
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language, Assessing Your
Progress & Video Time
UNIT 4 JOURNEY ACROSS A VAST LAND
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language, Assessing Your
Progress & Video Time
UNIT 5 FIRST AID
Section Ⅰ Reading and Thinking
Section Ⅱ Learning About Language
Section Ⅲ Using Language, Assessing Your
Progress & Video Time