SOLAR ENERGY DOESN’T CAUSE POLLUTION, BUT IT IS NOT CHEAP.A. EXPEN...
30. Solar energy doesn’t cause pollution, but it is not cheap.
A. Expensive
B. effective
C. commercial
D. possible
Read the following passage and mark the letter A, B, C or D to indicate the correct word
that best fits each of the numbered blanks.
It is estimated that about three billion people use the Internet computer network
around the world. Most people use the Internet to (31)_________information or for
entertainment. A new study, however, shows us that almost 10% of Internet users are using
it so often that it is seriously harming their lives. The study (32)_________that these people
may find it difficult to stop using the Internet because they have become addicted. Someone
who is addicted finds it extremely difficult to stop (33)_________activity. According to a
psychologist in the field, 30% of Internet users claim that they use the Internet to escape
from (34)_________or emotions. The study also shows that having a chat or discussion
with strangers on the Internet is one of the most (35)_________activities.