Unit One

Reading

New Words and Expressions

Text　How You Can Survive in the Desert

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Survival on Snow-Covered Mountains

Review and Practice

Word-Building Tips(1)

Unit Two

Reading

New Words and Expressions

Text The Subject Is People

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Anthropologists at Work

Review and Practice

Word-Building Tips(2)

Unit Three

Reading

New Words and Expressions

Text Graceful Hunters

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Garfield and His Creator

Review and Practice

Word-Building Tips(3)

Unit Four

Reading

New Words and Expressions

Text "Operator-Operator!"

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text A Choked Child

Review and Practice

Word-Building Tips(4)

Unit Five

Reading

New Words and Expressions

Text The Men of Mars(Part Ⅰ)

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text The Men of Mars(PartⅡ)

Review and Practice

Word-Building Tips(5)

Unit Six

Reading

New Words and Expressions

Text My New Interest in Reading

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Not a Class Dummy Any More

Review and Practice

Word-Building Tips(6)

Unit Seven

Reading

New Words and Expressions

Text Marie Curie

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Marie Curie and the New Tool in Medicine

Review and Practice

Word-Building Tips(7)

Unit Eight

Reading

New Words and Expressions

Text Tiny Invaders

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text The Discovery of Penicillin

Review and Practice

Word-Building Tips(8)

Unit Nine

Reading

New Words and Expressions

Text Superstitions and Beliefs

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Eastern Medicine

Review and Practice

Word-Building Tips(9)

Unit Ten

Reading

New Words and Expressions

Text The Best Advice I Ever Had(Part Ⅰ)

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text The Best Advice I Ever Had(Part Ⅱ)

Review and Practice

Word-Building Tips(10)

Unit Eleven

Reading

New Words and Expressions

Text When Grandparents Were Growing Up

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Learn More About Your Grandparents

Review and Practice

Word-Building Tips(11)

Unit Twelve

Reading

New Words and Expressions

Text What If You Couldn't

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text A Little Person Teaches a Big Lesson

Review and Practice

Word-Building Tips(12)

Unit Thirteen

Reading

New Words and Expressions

Text Working on a Science Project(Part Ⅰ)

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Working on a Science Project(PartⅡ)

Review and Practice

Word-Building Tips(13)

Unit Fourteen

Reading

New Words and Expressions

Text The Value of Little Things

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text Newton and the Falling Apple

Review and Practice

Word-Building Tips(14)

Unit Fifteen

Reading

New Words and Expressions

Text Christmas Day in the Morning

Text Comprehension

Vocabulary Exercises

Grammar and Structure

Group Activities

Further Reading

New Words and Expressions

Text To Meg,on Becoming Thirteen

Review and Practice

Word-Building Tips(15)