21世纪大学新英语读写译教程教学参考书 第4册PDF电子书下载

Unit 1 College Education 1

Teaching Objectives 1

Lead-in 1

Reading Focus—Text A 3

The Disadvantages of an Elite Education 3

Integrated Exercises 17

Reading Focus—Text B 28

Education is Supposed to Make You Rich,Not Wealthy 28

Intranet Assignments 43

Unit 2 Science or Superstition 47

Teaching Objectives 47

Lead-in 48

Reading Focus—Text A 49

UFO:an Undeniably Fading Obsession 49

Integrated Exercises 62

Reading Focus—Text B 74

A Few Kind Words for Superstition 74

Intranet Assignments 89

Unit 3 Old and Young 94

Teaching Objectives 94

Lead-in 94

Reading Focus—Text A 96

Old Before Her Time 96

Integrated Exercises 108

Reading Focus—Text B 119

A Return to Roots 119

Intranet Assignments 132

Unit 4 Sports and Health 136

Teaching Objectives 136

Lead-in 136

Reading Focus—Text A 138

Time to Get Moving 138

Integrated Exercises 152

Reading Focus—Text B 164

Get a Killer Bod with Killer Bees 164

Intranet Assignments 178

Unit 5 Happiness 183

Teaching Objectives 183

Lead-in 183

Reading Focus—Text A 185

The Long and Short of It 185

Integrated Exercises 198

Reading Focus—Text B 210

Happiness:A Buyer's Guide 210

Intranet Assignments 227

Unit 6 Ecology 231

Teaching Objectives 231

Lead-in 232

Reading Focus—Text A 233

The Biology of Global Warming 233

Integrated Exercises 248

Reading Focus—Text B 260

Earth Meanders:Resisting Global Ecological Change 260

Intranet Assignments 278

Unit 7 Technology and Progress 284

Teaching Objectives 284

Lead-in 284

Reading Focus—Text A 286

is Anyone Out There Listening? 286

Integrated Exercises 299

Reading Focus—Text B 311

Why E-mail Has Become the New Snail Mail 311

Intranet Assignments 326

Unit 8 Humanity and Nature 331

Teaching Objectives 331

Lead-in 332

Reading Focus—Text A 333

A Long,Melancholy Roar—Are Modern Human Fears Misplaced? 333

Integrated Exercises 347

Reading Focus—Text B 359

Eye of the Tiger 359

Intranet Assignments 374