Em tham khảo nhé! Đúng 100%!

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.

             Học tốt^^      

Mình chắc chắn 100 % đúng

Mẹ mình là cô giáo Tiếng Anh mà

Mẹ mình dạy mình đó