Choose the correct word a, b or c for each gap to complete the following passage
River are (1)..... of the world's most important natural resources. Many cities are on large rivers, and (2)...... every country has at least one river that (3)....... an important part in the lives of its people.
Besides transportation, rivers (4)...... food, water for crop, water to drink, and opportunities for recreation for people who live along their (5)....... And in order to get water for crop, engineers sometime a lake (6)...... the dam. Then people can use their water nit only to (7)..... fields but also to make electricity for homes and industries.
(8)...... ,the water often becomes polluted when cities on river banks grow (9)...... size and the number of industries increases. We are learning that it is necessary to (10)..... rives cleaning if we want to enjoy the benefits of the natural resource.
1. A, one
B, ones
C, among
D, those
2.a,most
B, mostly
C, almost
D, about
3. A, takes
B, makes
C, occupies
D, play
4.A, supply
B, provide
C, distribute
D, bring
5. A, banks
B, shores
C, sides
D, beaches
6. A, behind
B, on
C, below
D, under
7. A, take
B, irrigate
C, drain
D, give
8. A, moreover
B, therefore
C, thus
D, however
9. A, of
B, about
C, in
D, for
10. A, keep
B, get
C, hold
D, maintain
1.B 2.A
3. C 4. B
5. B 6. B
7.B 8.D
9.B 10.D