UNIT 1 SCIENCE AND SCIENTISTS
单元核心素养
Section I Reading and Thinking
Section II Learning About Language
Section III Using Language Assessing Your Progress
UNIT 2 BRIDGING CULTURES
单元核心素养
Section I Reading and Thinking
Section II Learning About Language
Section III Using Language Assessing Your Progress
UNIT 3 FOOD AND CULTURE
单元核心素养
Section I Reading and Thinking
Section II Learning About Language
Section III Using Language Assessing Your Progress
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