全国高等农业院校通用英语教材 农科综合英语 第3册PDF电子书下载

Editor'sNote编者说明 1

Lesson 21 1

TextPlantBreeding 1

ConversationASubjectInterestingtoStudentsofAgriculture 8

WordStudyOn(1) 8

Grammar1．简单句 10

2．并列句 11

3．主从复合句 12

4．并列主从复合句 13

5．连词的分类 14

SupplementaryReading(A)IndividualVariationsinSpecies 20

(B)PlantsandTheirUses 23

Lesson 32 28

TextDiseasesofAgriculturalPlants 28

ConversationInoculatingPlants 38

WordStudyOn(2) 39

Grammar1．名词从句 41

2．名词从句作主语 42

3．名词从句作主补语 43

4．名词从句作同位语 43

5．名词从句作宾语 44

SupplemertaryReading(A)TheControlofPlantDiseases 51

(B)TheEffectsofExcessontheHealthof 55

Organisms 55

Lesson 33 58

TextWeatherSatellites 58

ConversationWhyPeopleLiketoTalkAbouttheWeather 63

WordStudy1．Mean 66

2．Send 67

Grammar1．一般过去将来时 68

2．时态的延续 69

3．直接引语和间接引语 70

SupplementaryReading(A)WeatherForecasts 81

(B)RainforGrowingThings 85

Lesson 34 87

TextAnimalsandMan 87

ConversationVisitingtheVeterinaryHospital 96

WordStudyMake 99

SupplementaryReading(A)AnimalHealth 104

(B)Veterinarians 108

ReviewExercises(Lesson31～Lesson34) 111

Lesson 35 115

TextWouldThereBeEnoughFoodforSoManyPeople? 115

ConversationLet'sIncreaseFoodProduction 122

WordStudy1．Present 124

2．Concern 126

2．限制性定语从句 127

Grammar1．定语从句 127

3．非限制性定语从句 132

SupplementaryReading(A)MoreFoodforPeople 142

(B)WaystoEnsureThatWe'11Continue 145

toBeWellFed 145

Lesson 36 149

TextTheEffectofMan'sActivitiesonSoil 155

ConversationAnOralExaminSoil 155

WordStudy1．Certain 161

2．Remain 162

Grammar1．“介词＋whom或which”开始的定语从句 163

2．“名词、代词或数词＋of+whom或which” 165

开始的定语从句 165

3．关系代词和关系副词的省略 166

4．定语从句转换为不定式或分词短语 167

5．强调句型Itis…that 169

SupplementaryReading(A)WhatSoilIs 178

(B)TheSoil 180

Lesson 37 184

TextSportsandGames 184

ConversationATalkAbout“Games”and“Sports” 188

WordStudyGet 191

SupplementaryReadingTheStoryofBallGames 197

ReviewExercises(Lesson35～Lesson37) 205

Lesson 38 211

TextTheBuckwheal 211

ConversationAShortPlay 222

WordStudy1．Opposite 224

2．Still 224

3．Worth,WorthWhile,Worthwhile,Worthy 225

2．时间状语从句 227

Grammar1．状语从句 227

3．地点状语从句 229

4．原因状语从句 229

5．条件状语从句 230

SupplementaryReading(A)TheLovelyAppleTree 238

(B)IntheWoods 242

Lesson 39 246

TextLifeintheUniverse 246

ConversationTelephoning 251

WordStudy1．Cease 254

2．Close 255

Grammar1．目的状语从句 257

2．结果状语从句 260

3．比较状语从句 262

4．让步状语从句 263

5．方式状语从句 265

SupplementaryReading(A)Man'sFirstLandingontheMoon 271

(B)SpaceTravel 274

Lesson 40 278

TextWhatPeopleDon'tKnowAboutAir 278

ConversationIntheDiningHall 284

WordStudy1．Against 287

2．Cause 288

Grammar1．语气 289

2．虚拟语气在条件句中的应用 290

SupplementaryReading(A)Air 299

(B)HowtheEarth'sAtmosphereFormed 300

Lesson 42 303

TextReproduction,CompetitionandEvolution 303

ConnversationOurLibrary 307

WordStudy1．Characteristic 310

2．Prove 310

Grammar1．虚拟语气在某些状语从句中的应用 311

2．虚拟语气在名词从句中的应用 313

3．虚拟语气在Itistime后面的定语从句中的应用 317

4．虚拟语气的其它用法 317

SupplementaryReadingTheLongChainofEvolution 324

Lesson 42 331

TextGeorgeWashingtonCarver 331

ConversationAStrollintheWood 346

WordStudy1．Lack 348

2．Raise 349

SupplementaryReadingBiographicalNotesofFourGreat 354

Biologists 354

ReviewExercises（Lesson38～Lesson42） 360

Appendices附录 368

1．Index索引 368

2．Vocabulary词汇表 382