In this passage the author implies that _________

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1All the useful energy at the surface of the earth comes fromthe activity of the sun. The sun heats a

A.gasoline
B.natural gas
C.atomic power
D.animal fat

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2Radiant energy is stored as carbon compounds by________

A. Plants
B.water
C.rock
D.creatures

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3The largest part ofthe light energy directed towards the earth is________

A.stored up by the plants
B.absorbed by the earth’s atmosphere
C.stored up by the animals in the form of body fat
D.used for electric power

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4Of the sun’s total output of radiant energy, the earthreceives________

A.one tenth
B.one millionth
C.all that comes from the surface of the sun
D.a very small portion

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5He_______working till he was seventy years old.

A.kept up
B.kept on
C.kept to
D.kept out

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6There are four departments at this college, __________ more than five hundred students.

A.with each have
B.each having
C.each of them have
D.with each is having

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7Robert looked as if he were about to________when his motives were questioned.

A.flare up
B.jump up
C.burst up
D.look up

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8It has always been the __________of our firm to encourage workers to take part in social activities.

A.plan
B.campaign
C.procedure
D.policy

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9The old gentleman never fails to help_______is in need of his help.

A.Who
B.Whoever
C.One
D.whomever

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10The government placed __________ on the numbers of foreign cars that could be imported.

A.limitations
B.restraint
C.requirements
D.restrictions

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In this passage the author implies that __________.

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