大学英语精读词汇通 第4册PDF电子书下载

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Unit 1 1

Big Bucks the Easy Way 1

Unit 2 45

Deer and the Energy Cycle 45

Unit 3 79

Why Do We Believe That the Earth Is Round? 79

Unit 4 116

Jim Thorpe 116

To Lie or Not to Lie-The Doctor s Dilemma 155

Unit 5 155

Unit 6 193

How to Mark a Book 193

Unit 7 254

The Luncheon 254

Unit 8 322

The New Caves 322

Unit 9 358

Journey West 358

Unit 10 390

Why People Work 390

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