Question

VII. Choose the best option (A, B, C or D) that fits the blank in the following passage. (2.0 points)

The quality of the air we (1) ___________ is important because it affects our health and the length of our lives. Air pollution is a big problem in many of our cities and a lot of this is caused by motor vehicles. There are six main pollutants in the (2)___________ and four of these are produced in large quantities by motor engines. The gases that are (3)___________ into the air are affected by  sunlight and turned into ozone at ground level. Unlike the ozone that is high in the atmosphere and protects us from radiation. The ozone on the ground is a health (4)___________.

         Many countries have (5)___________the level of lead pollution by banning the use of metal in (6)___________. In other countries, its use is very strictly controlled. We have to (7)___________or get rid of the three other harmful gases produced by the 630 million vehicles worldwide- a(n) (8)___________that is likely to double in the next twenty to thirty years.

             Concern about the environment has led to the invention of a device known as “the three way catalytic converter”, so-called because of the three poisonous gases it (9)___________ to produce. More efficient engines reduce the formation of these gases and the converter reduces them still further. Harmful gases in engine exhausts are burned up by passing them over a metal catalyst which (10)___________ up the reaction. The catalyst is rather expensive, but what price do we put on good health?

1. A. inhale                     B. breathe             C. breath                        D. respire

2. A. environment           B. surroundings    C. ozone                         D. atmosphere

3. A. unconfined             B. delivered          C. liberated                    D. released

4. A. peril                       B. risk                            C. exposure                    D. danger

5. A. hacked                   B. chopped           C. cut                             D. sliced

6. A. petrol                     B. coal                            C. grease                        D. energy

7. A. reduce                    B. shrink               C. condense                    D. ease

8. A. form                       B. shape               C. figure                         D. amount

9. A. assists                    B. facilitates          C. aids                                     D. helps

10. A. speeds                  B. rates                 C. paces                         D. accelerates

Answer 1

1. A. inhale                     B. breathe             C. breath                        D. respire

2. A. environment           B. surroundings   C.ozone                        D.atmosphere

3. A. unconfined             B. delivered          C. liberated                    D. released

4. A. peril                       B. risk                            C. exposure               D. danger

5. A. hacked                   B. chopped           C. cut                             D. sliced

6. A. petrol                     B. coal                            C. grease                 D. energy

7. A. reduce                    B. shrink               C. condense                    D. ease

8. A. form                       B. shape               C. figure                         D. amount

9. A. assists                    B. facilitates          C. aids                             D. helps

10. A. speeds                  B. rates                 C. paces                   D. accelerates