______THE INCREASING ECONOMIC POLARIZATION IN SAN FRANCISCO HAS NO RELATION TOETHNIC AND EDUCATIONAL PATTERNS

8. ______

The increasing economic polarization in San Francisco has no relation to

ethnic and educational patterns.

IV. PART 4: Fill each of the following numbered blanks with ONE suitable word

and write your answers in the corresponding numbered boxes. There is an example

at the beginning (0) (0.6p)

Everyone wants

(0)

to

reduce pollution. But the pollution

problem is as complicated as it is serious. It is complicated because much pollution

(1)

________________ caused by things that benefit people. For example, exhaust

(2)

___________________ automobiles causes a large percentage of all air pollution. But the

automobiles

provide

transportation

for

millions

of

people.

Factories

(3)

___________________ much of the material which pollutes air and water, but factories

give employment to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to stop using

many things

(4)

___________________ benefit them. Most of the people do not want to

do that, of course. But pollution can be gradually reduced in several ways. Scientists and

engineers can work to find ways to lessen the

(5)

___________________ of pollution that

such things as automobiles and factories cause. Governments can pass and enforce laws

that require businesses and individuals to stop, or cut

(6)

___________________ on

certain polluting activities.

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PART D. WRITING (3.0 POINTS)

I. PART 1:

Question 1-5: Finish each second sentence so that it has similar meaning to the first

sentence, using the clues at the beginning of each sentence. There’s an example at

the beginning (0). (0.5p)

0. It takes him at least three hours a day to chat on facebook.