Unit 1 Space Exploration

Part Ⅰ Theme-Related Reading

Text A Apollo 11 Mission

Text B Mir

Part Ⅱ Reading Strategies

Guessing Meaning from Context

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Worlds Away： Astronomers Begin to Uncover Nearby “Super-Earths”

Passage 2 Healthy Aging， With Nary a Supplement

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 2 Energy

Part Ⅰ Theme-Related Reading

Text A The Tide Is Turning Power

Text B Power Beneath Our Feet

Part Ⅱ Reading Strategies

Activating Prior Knowledge

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Anywhere the Wind Blows

Passage 2 Male Chromosome May Evolve Fastest

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 3 Gender Differences

Part Ⅰ Theme-Related Reading

Text A As Barriers Disappear， Some Gender Gaps Widen

Text B Girl Brain， Boy Brain？

Part Ⅱ Reading Strategies

Types of Reading Comprehension Questions

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Numbers Are Male， Said Pythagoras，and the Idea Persists

Passage 2 How Much of Human Height Is Genetic and How Much Is Due to Nutrition？

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 4 Information Security

Part Ⅰ Theme-Related Reading

Text A How Do Computer Hackers “Get Inside” a Computer？

Text B ComputerViruses

Part Ⅱ Reading Strategies

Distinguishing between Facts and Opinions

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 How Do Internet Search Engines Work？

Passage 2 Can Cell Phones Cause Brain Cancer？

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 5 Future Vehicles

Part Ⅰ Theme-Related Reading

Text A Flywheels in Hybrid Vehicles

Text B SupercarTakes High Road to the Future

Part Ⅱ Reading Strategies

Reading for Main Ideas

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Future Solutions： Green Jet Fuels

Passage 2 Can Smoking Ever Get Safer？

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 6 Skyscrapers

Part Ⅰ Theme-Related Reading

Text A How Skyscrapers Work

Text B How to Make Skyscrapers Safer

Part Ⅱ Reading Strategies

Reading Passages of Cause and Effect

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Burj Dubai Sets Records and Makes Profits

Passage 2 Fifty Ways to Interrogate Your Dinner

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 7 Animal Behavior

Part Ⅰ Theme-Related Reading

Text A Are Those Apes Really Talking？

Text B Pigs Prove to Be Smart， If Not Vain

Part Ⅱ Reading Strategies

Reading Passages of Comparison and Contrast

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 Good Dog， Smart Dog

Passage 2 Genetically Modified Foods—Feed the World？

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Unit 8 Natural Disasters

Part Ⅰ Theme-Related Reading

Text A The Physics of Tsunamis

Text B Blind to the End

Part Ⅱ Reading Strategies

Sequencing Events

Part Ⅲ Extensive Reading

Section Ⅰ Speed Reading

Passage 1 The Big One

Passage 2 To Cut Global Warming，Swedes Study Their Plates

Section Ⅱ Reading in Depth

Passage 1

Passage 2

Passage 3

Section Ⅲ Banked Cloze

Key to Exercises