Ex1:
1.B
2.A
3.C
4.D
5.B
6.A
7.A
8.D
9.B
10.A
Ex2:
1.A
2.D
3.B
4.B
5.A
Ex3:
Food plays an important part in the development of nations. In countries where food is (1)..scarce.. people have to spend most of their time getting enough to eat . This usually slows down progress, because men have little time to (2)...devote...... to science, industry, government, and art . In nations where food is (3).......plentiful........ and easy to get , men have more time to spend in activities that lead to progress and (4)....enjoyment....... of leisure . The problem of (5)..providing.... good food for everybody has not yet been solved . Many wars have been (6) ......fought.. or food . But it is no longer necessary to go to war for food . Nations are beginning to put (7) ...scienticfic ....knowledge to work for a (8 )...solution... of their food problems . They work (9)...together..... in the Food and Agriculture Organization of the United Nations (FAO) to help hungry nations (10)......produce..more food.
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