Practice 1 What Is Netiquette（网礼） 1
练习、答案及详析 3
Practice 2 American School System 5
练习、答案及详析 6
Practice 3 Pinochet's Trial in Chile Likely 8
练习、答案及详析 9
Practice 4 Advice to Freshman 11
练习、答案及详析 12
Practice 5 Floods 14
练习、答案及详析 15
Practice 6 Horticulture（园艺） 18
练习、答案及详析 19
Practice 7 Fashion 22
练习、答案及详析 23
Practice 8 Avoiding the"Evil Eye" 26
练习、答案及详析 28
Practice 9 Electric Fish 30
练习、答案及详析 31
Practice 10 An Educator's Moral Responsibility 34
练习、答案及详析 35
Practice 11 Customer and Marketplace in Today's America 38
练习、答案及详析 39
Practice 12 Thatcher's Medicine 42
练习、答案及详析 43
Practice 13 Be an Optimist 46
练习、答案及详析 47
Practice 14 Coronary Heart Disease（冠心病） 50
练习、答案及详析 51
Practice 15 The Civilization of River Nile 54
练习、答案及详析 55
Practice 16 Air Pollution 58
练习、答案及详析 59
Practice 17 A Letter to the Editor 61
练习、答案及详析 62
Practice 18 It's a Small World 64
练习、答案及详析 65
Practice 19 Prune the Tree 68
练习、答案及详析 69
Practice 20 Lessons form Overseas 71
练习、答案及详析 72
Practice 21 The Trumpet and Its Ancestry（祖先） 75
练习、答案及详析 76
Practice 22 The Nature of Man 78
练习、答案及详析 79
Practice 23 Make Good Use of Your Gift of Sight 82
练习、答案及详析 83
Practice 24 The Burning of Rome 85
练习、答案及详析 86
Practice 25 The Newspaper as a"Go-between" 88
练习、答案及详析 89
Practice 26 Round-the-clock Working Problem 92
练习、答案及详析 93
Practice 27 Sesame Street 96
练习、答案及详析 97
Practice 28 The Future of Our Universe 100
练习、答案及详析 101
Practice 29 The Important Change 103
练习、答案及详析 104
Practice 30 Hedges（树篱） 107
练习、答案及详析 108
Practice 31 New York's Big Ditch 110
练习、答案及详析 111
Practice 32 Why Is Our World Bright? 114
练习、答案及详析 115
Practice 33 Is Mathematics an Art? 118
练习、答案及详析 119
Practice 34 Motorcycle 122
练习、答案及详析 123
Practice 35 Special-effects Man 126
练习、答案及详析 127
Practice 36 "Indivisible Particle" 130
练习、答案及详析 131
Practice 37 The United States Court System 133
练习、答案及详析 134
Practice 38 Approaches to the Science of Meteorology 136
练习、答案及详析 137
Practice 39 Wit and Humour 140
练习、答案及详析 141
Practice 40 Mississippi Steamboat Days 143
练习、答案及详析 144
Practice 41 What Does Artist Do? 146
练习、答案及详析 147
Practice 42 Ways of Communication 149
练习、答案及详析 150
Practice 43 Morning,Noon ＆ Night 153
练习、答案及详析 154
Practice 44 Serving as a Nurse 156
练习、答案及详析 157
Practice 45 Ashenden and the Colonel's Story 159
练习、答案及详析 160
Practice 46 Sales and Packaging 162
练习、答案及详析 163
Practice 47 How Does a Scientist"Explain"Something? 166
练习、答案及详析 167
Practice 48 Modern Art Movement in U.S 170
练习、答案及详析 171
Practice 49 Major Problems that Chinese May Face Abroad 174
练习、答案及详析 175
Practice 50 How to Break the Ice 178
练习、答案及详析 179
Practice 51 Boston's Marvelour Marathon 181
练习、答案及详析 182
Practice 52 Cocktail 185
练习、答案及详析 186
Practice 53 Restrictions on the Distribution of Fishes 188
练习、答案及详析 189
Practice 54 Christmas in New Zealand 192
练习、答案及详析 193
Practice 55 The Treasure of Sanihel Island 196
练习、答案及详析 197
Practice 56 Old Age 199
练习、答案及详析 200
Practice 57 Animal Protection 203
练习、答案及详析 204
Practice 58 How to Solve That Problem 207
练习、答案及详析 208
Practice 59 British Police 211
练习、答案及详析 212
Practice 60 Generation Gap 215
练习、答案及详析 216
Practice 61 Behind the Serenity（安详）of the UN's Annan 218
练习、答案及详析 219
Practice 62 Mississippian Culture 222
练习、答案及详析 223
Practice 63 Reading to Oneself 225
练习、答案及详析 226
Practice 64 When Love's Not Enough 228
练习、答案及详析 229
Practice 65 How to Build Your Own Web Site 231
练习、答案及详析 232
Practice 66 Politics and Business 234
练习、答案及详析 235
Practice 67 Walking Tour of Paris 238
练习、答案及详析 239
Practice 68 A Rare Mathematician 241
练习、答案及详析 242
Practice 69 Keys to Career Planning 245
练习、答案及详析 246
Practice 70 Acculturation 249
练习、答案及详析 250
Practice 71 5 Ways to Deal with Disappointment 252
练习、答案及详析 253
Practice 72 Whispering Love 255
练习、答案及详析 256
Practice 73 Plastics 259
练习、答案及详析 260
Practice 74 Greeting Cards 262
练习、答案及详析 263
Practice 75 Wireless at Home 265
练习、答案及详析 266
Practice 76 Beaver 268
练习、答案及详析 269
Practice 77 Employment 272
练习、答案及详析 273
Practice 78 Teaching to the Test 276
练习、答案及详析 277
Practice 79 Gwendolyn Brooks 280
练习、答案及详析 281
Practice 80 Solve That Problem—with Humor 283
练习、答案及详析 284