The manager ________ him for a minor mistake.
A.complained
B.charged
C.accused
D.blamed

People who are out of work can receive the __________.
A.pension
B.scholarship
C.allowance
D.unemployment benefit

Garbage dumps in some areas have relatively little glass and plastic because _______.
A.people are ordered to return bottles
B.each returned bottle is paid
C.returned bottles are few
D.few bottles are made of glass or plastic

_______(17)
A.looking
B.thinking
C.considering
D.wondering

_______(18)
A.balance
B.review
C.survey
D.assess

_______(20)
A.regarded
B.valued
C.recognized
D.understood

_______(22)
A.about
B.in
C.into
D.by

The visitors from the east coast mentioned in the passage thought that Los Angeles ____________ .
A.was not accurately portrayed by Hollywood images.
B.lacked good suburban areas in which to live.
C.had an excessively large population.
D.was not really a single city.

It can be inferred from the first paragraph that ____________ .
A.water vapor is an air pollutant in localized areas
B.most air pollutants today can be seen or smelled
C.the definition of air pollution will continue to change
D.a substance becomes an air pollutant only in cities

The word "altered" in line 11 is closest in meaning to ____________ .
A.eliminated
B.caused
C.slowed
D.changed