С( 99 ) i. find the word with the same or similar meaning. 1. to clear up a) to protect b) to pollute c) to clean 2. garbage a) danger b) litter c) bin 3. to save a) to help b) to prohibit c) to avoid 4. human being a) nature b) man c) animal 5. to destroy a) to recycle b) to pack c) to damage ii. complete each sentence with one of the words or phrases below. pollution environment throw away poison waste plant protected save recyclable environmental 1. you shouldn't … the garbage in the forest, woods or park after you have had your picnic there. 2. you can see this notice by a river or a lake in some seasons when fish should be … . 3. local government should support the idea of recycling and provide each house with bins for different types of … 4. children should be taught to protect the … . 5. we can … trees and create parks for endangered species. 6. together we can … the planet and all of us with it. 7. the … of the environment is dangerous for people and wildlife. 8. if countries had spent more money on scientific research, scientists would have solved some … problems. 9. how much of … material is actually recycled? 10. rivers, lakes and seas are filled with … : industrial, chemical and nuclear wastes. iii. the word in capitals above each of the following sentences can be used to form a word that fits suitably in the blank space. fill each blank in this way. 1. protect - people of some professions should wear … clothing. 2. nature - if you care about the protection of the environment, you should buy only … food with no added chemicals. 3. ecology - you have probably already heard about such a profession as an … . 4. predict - scientists have made … and they are alarming. 5. use - many things that we throw away can still be … . iv. fill in the definite article the if needed. 1. … volga runs into … caspian sea. 2. … pacific ocean is very deep. 3. … kazbek is the highest peak of … caucasus mountains. 4. i have never been to … lake onega. 5. … washington is the capital of … united states. 6. … europe and … america are separated by … atlantic ocean. 7. … shetland islands are situated to the north of … great britain. v. complete the sentences, using conditional ii and iii. 1. if you (do) your morning exercises every day, your health would be much better. 2. if i (be) you, i would agree to go to the museum. 3. if they (not go) to moscow last year, they wouldn't have heard that famous musician. 4. i (write) the composition long ago if you had not disturbed me. 5. if you really loved music, you (go) to the concerts much more often. 6. if she hadn't sent this letter yesterday? my brother (be) at home now. 7 if you (ring up) earlier? she would be here now.

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