It can be inferred from the passage that anteaters ________ .




A.are usually harmless.
B.are rarely dormant.
C.can be exceptionally intelligent.
D.can be extraordinary persistent.

What explains the anteaters' distinguishing walk?




A.The length of their nails.
B.The size of their bones.
C.The length of their legs.
D.The sides of their feet.

A.extinguish
B.fortunate
C.technical
D.resident

To get the correct answer, add this column of figures and then divide ___ twelve.




A.of
B.with
C.by
D.from

In the high season, tourists ___ through the old town.




A.swarm
B.swelter
C.swim
D.swell

She applied for training as a pilot, but they turned her ___ because of her poor eyesight.




A.down
B.up
C.over
D.back

She had to hand in her notice ___ advance when she decided to leave the job.




A.with
B.from
C.in
D.to

The advantage of harnessing the power of the tides and of sunlight to generate electricity is that they ___.




A.do not pollute the environment
B.are more reliable
C.are more adaptable
D.do not require attention

The main forms of power used to generate electricity in Australia are ___.




A.atomic power and water
B.water and coal
C.sunlight and wind power
D.wind and gas

With which of the following statements would the author most probably agree?




A.Noise is not a serious problem today.
B.Noise is America’s number one problem.
C.Noise is an unavoidable problem in an industrial society.
D.Noise is complex problem.