IV. Read the following passage carefully and choose A, B, C or D to complete the
passage.
In Western countries, electricity, gas, and water are not luxuries but necessities.
Companies now realize that consumers want products that will not only work effectively
but also (1)..................money.
For most North American households, lighting accounts for 10 percent to 15
percent of the electric bill. However, this amount can be reduced by replacing an ordinary
100-watt light bulb (2). ...an energy-saving bulb. These bulbs use a quarter of the
(3).................of standard bulbs and last eight times (4)...............Therefore consumers can
save about US$7 to $21 per bulb. Ultimately, these innovations will save energy as well
(5)....................conserving the Earth's resources.
1. A. reduce
B. reducing
2. A. with
B. on
3. A. electric
4. A. the longest
B. long
5. A. with
B. of
* Read the passage and do the task
Everyone wants to reduce pollution. But pollution problem is ________ (1)
complicated as it is serious. It is complicated
(2) much pollution is caused by
(3) automobiles causes a large
things that benefit people. For example, exhaust_
percentage of all air pollution. But automobiles provide transportation for millions of
people. Factories discharge much of the material.
(4) pollutes the air and water,
(5) people. Too much fertilizer
but factories give employment to a large number
B. electricity
C. saving
C. to
C. longer
C. on
D. save
D. in
C. electrical
D. electronic
D. the longer
D. as
or pesticide can ruin soil, but fertilizers and pesticide are important aids to the growing
of crops. Thus, to end or reduce pollution immediately, people would have to stop using