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III. 1. thanks to 3. would rather
2. was satisfied with
IV. 1. without 2. crops 3. on 4. raised 5. living
6. remains
7. occupation 10. reduced
8. Scientific 9. productive
Learning about Language
I. 1. confuse 2. regretted 4. globe 5. crop II. 1. Reading aloud
3. battled
2. talking like this
3. attending the famous university 4. losing the good opportunity III. 1. Eating
5. not having finished his homework
2. arguing 3. sailing 4. doing
5. correcting 6. winning 7. reading
8. working 9. crying 10. walking
Using Language
I. 1. reduced 4. chemical
2. skimming 3. discoveries
II. 1. built up 2. focus on 3. leading to 4. keeping ... free from 5. comment on / about 6. turn to organic farming 7. avoid affecting health 8. carrying away the soil III. 1. by
2. on
3. from
4. on / about 5. from
IV. 1. chemical 2. production
3. minerals 4. discovery 5. Bacteria
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