ContentsINTRODUCTION: 1
Ⅰ Purposc and Scope of the CourseⅡ Library Suggestions 3
UNIT 1 SIMPLE PRESENT ACTIVE 7
UNIT 2 SIMPLE PRESENT PASSIVE 9
UNIT 3 SIMPLE PAST ACTIVE AND PASSIVE 16
UNIT 4 -ing FORMS I 24
UNIT 5 REVISION OF UNITS 1-4 32
UNIT 6 PRESENT PERFECT;PRE SENT CONTINUOUS 39
UNIT 7 INFINITIVES;-ing FORMS II 48
UNIT 8 ANOMALOUS FINITES 59
UNIT 9 PAST PERFECT;CONDITIONALS 71
UNIT 10 REVISION OF UNITS 6-9 84
UNIT 11 GENERAL REVISION UNIT 93
UNIT 12 GENERAL REVISION UNIT 104
SUPPLEMENT OF EXTRACTS FROM CURRENT SCIENTIFIC LITERATURE: 118
1 The Cycling of Cl-36 labelled DDT in a Marsh Ecosystem(270 words) 119
2 Surveying Natural Resources(370 words) 122
3 An Experiment(410 words) 125
4 Efficiency in Engineering(420 words) 128
5 Preventative Sociology(460 words) 132
6 Anti-microbial Substances from Seeds(490 words) 135
7 The Resistance of Insect Pests to Insecticides(570 words) 139
8 Chelation in Medicine(580 words) 143
9 Operational Research and Social Change(610 words) 147
10 Plant Breeding for the Developing Nations(620 words) 151
11 What is Psychology?(640 words) 155
12 The Scope of Geology (640 words) 159
13 The Prcssure to Conform(650 words) 163
14 Water Supplies—A Growing Problem(650 words) 167
15 Digital Computers and their Uses(780 words) 171
16 Experimentation in the Social Sciences (790words) 176
17 Probability(910 words) 181
18 Quasars and the New Universe(990 words) 186
APP ENDIX A PREFIXES AND SUFFIXES 191
APPENDIX B IRREGULAR VERBS;to be;to have 195
APPENDIX C ABBREVIATIONS AND SYMBOLS 196
APPENDIX D ANGLO-AMERICAN WEIGHTs AND MEASURES,WITH METRIC EQUIVALENT S 197
SHAPESCOLOURSTHE HUMAN BODYBASIC DICTIONARYPARTⅠ 200
PARTⅡ (STRUCTURAL WORDS AND PHRASES) 234
INDEX OF STRUCTURES 247