UNIT 1 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
