WHICH OF THE FOLLOWING IS TRUE

5. Which of the following is TRUE?

A. Heating and condensation produce the various products.

B. The various petroleum products are produced by filtration.

C. Chemical separation is used to produce the various products.

D. Mechanical means such as the centrifuge are used to produce the various products.

Page 3 of 4

II. Read the following passage carefully and fill each numbered blank with ONE suitable word.

Write your answers on your answer sheet. (10 pts)

Population growth affects almost (1) _____ aspect of everyday life. This is (2) _____ a continual growth in the earth’s population

forces us to change the ways we use the land. For example, an expanding population needs more land (3) _____ housing, shops

and industry. An expanding population also means that we need to grow (4) _____ food and build more hospitals, schools and roads.

But the area of land available for human use is fixed. In fact, only about one third of the earth’s surface is land, and (5) _____ one

third of that is suitable to live on. For example, there are large areas of the earth (6) _____ as deserts and polar icecaps that cannot

at present support human life. Of course there are low population densities in some parts of the world, (7) _____ in most cases the

land resources in such areas are already stretched (8) _____ the limit. One immediate answer to our population growth is to (9)

_____ deserts and swamplands habitable. But the long-term (10) _____ is to stabilize the earth’s population.

III. Read the passage below and choose the correct word to complete each numbered blank.

Write your answers A, B, C or D on your answer sheet. (5 pts)

A POWERFUL INFLUENCE

There can be no (1) _____ at all that the Internet has made a huge difference to our lives. Parents are worried that children spend

too much time playing on the Internet, hardly (2) _____ doing anything else in their spare time. Naturally, parents are (3) _____ to

find out why the Internet is so attractive, and they want to know if it can be harmful for their children. Should parents worry if their

children are spending that much time (4) _____ their computers?

Obviously, if children are bent over their computers for hours, (5) _____ in some game, instead of doing their homework, then

something is wrong. Parents and children could decide how much use the child should (6) _____ of the Internet, and the child should

give his or her (7) _____ that it won’t interfere with homework. If the child is not (8) _____ to this arrangement, the parents can take

more drastic (9) _____. Dealing with a child’s use of the Internet is not much different from (10) _____ any other sort of bargain

about behavior.