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Unit Eleven Modern Cars 148

Warming-up Identifying Cars 148

Text Modern Cars 148

Grammar Passive Voice（Ⅰ） 150

Enjoy Yourself Is Your Ear Infected? 154

Practical English Filling English Forms 155

Unit Twelve Specifications for Vehicles Operating 157

Warming-up Certificates 157

Text Safe Specifications for Vehicles Operating on Roads 157

Grammar Passive Voice（Ⅱ） 160

Enjoy Yourself Road Signs 164

Practical English Writing Notes（Ⅰ） 166

Unit Thirteen Computers 168

Warming-up Learning to Use a Computer 168

Text Computers 168

Grammar Passive Voice（Ⅲ） 170

Enjoy Yourself The longest and the Shortest 174

Practical English Writing Notes（Ⅱ） 174

Unit Fourteen E-mails 176

Warming-up Acronyms and Signs in E-mails 176

Text E-tiquette 176

Grammar Emphatic Sentence 178

Enjoy Yourself God Knows 183

Practical English Writing E-mails 184

Unit Fifteen A Business letter 186

Warming-up Having a Dinner 186

Text A Business Letter 187

Grammar Non-finitive Verbs（Ⅰ）：Infinitive 189

Enjoy Yourself A Cold Welcome 194

Practical English Writing Business Letters 194

Revision Ⅲ 197

Unit Sixteen Electronics 208

Warming-up To Know Electronic Components 208

Text Electronics 208

Grammar Non-finitive Verbs（Ⅱ）：Gerund 211

Enjoy Yourself Running Faster than You 214

Practical English Writing Application Letters 215

Unit Seventeen Digital Camera 218

Warming-up Talking about Digital Camera 218

Text Digital Camera 219

Grammar Non-finitive Verbs（Ⅲ）：Participles 220

Enjoy Yourself Pancakes 224

Practical English Advertisements 224

Unit Eighteen Colour TelevisionV 226

Warming-up Get to Know Colour TV 226

Text Colour Television 227

Grammar Noun Clause 229

Enjoy Yourself A Hundred 233

Practical English Sending a Fax in English 234

Unit Nineteen Multimedia 236

Warming-up Multimedia Devices 236

Text Multimedia 237

Grammar Attributive Clause 240

Enjoy Yourself "Yes"and"No" 243

Practical English Writing Business Cards 244

Unit Twenty Numerical Control 246

Warming-up NC Machines 246

Text Advantages of NC 247

Grammar Adverbial Clause 249

Enjoy Yourself Sending for the Fire Brigade 254

Practical English Signs 254

Revision Ⅳ 256

Appendix Ⅲ Special Terms 265

Appendix Ⅳ Translation 267