1. Read the following passage, then choose the best answer for each question

In many countries nowadays, electricity, gas and water are….(1)……  . Companies which produce household goods realize that consumers want …..(2)…….that both work effectively and save money.

In North America, for example, household lighting  accounts…...(3)…… 10% to 15% of the electric bill, ……..(4)………this amount can be reduced by replacing an ordinary 100-watt light bulb with an energy-saving one. Consumers can save about US $ 7 to US $ 21 per bulb doing so.

In Europe, when you buy electrical goods…..(5)…..as  refrigerators, freezers and washing machines, there is a labeling scheme telling you how …..(6)……efficient each model is, so you can compare…..(7)…..appliances and then choose which one to buy. The final result is that these ……(8)…….will save money as well as conserve the earth's resources.

1 . A. necessary                    B. necessarily                       C. necessities                        D. necessitate

2. A. produce                        B. production                        C. productive                        D. products       

3. A. in                                   B. for                                      C. at                                        D. from

4. A. so                                  B. and                                     C. but                                     D. although

5. A so                                   B. therefore                           C. such                                   D. if

6 .A. energetic                      B. energies                            C. energy                               D. energetically

7.  A . differ                          B. different                            C. differently                        D. difference

8. A innovate                       B.innovative                          C. innovator                         D. innovations

2. Read the following passage and do exercise below it        

    Air pollution is caused of ill health in human beings. In a lot of countries, there are laws limiting the amount of smoke which factories can produce although there is not enough information on the effects of smoke on the atmosphere. Doctors have proved that air pollution causes lung diseases. The gases from the exhausts of cars have also increased air pollution in most cities. The lead in petrol produces a poisonous gas, which is often collected in busy streets circled by high buildings. Children who live in areas where there is a lot of lead in the atmosphere cannot think as quickly as other children, and are clumsy when they use their hands.

*Questions

1. What does the air pollution cause?.........................................................................................

2. Who has proved that air pollution causes lung diseases?..................................................

3. Is there air pollution in the city? Why or why not?..............................................................

4. What happens to the children who live in areas where there is a lot of lead in the atmosphere?