单项选择题
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A.The woman has trouble getting along with the professor.
B.The woman regrets having taken up much of the professor’’s time.
C.The woman knows the professor has been busy.
D.The woman knows the professor has run into trouble.
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单项选择题
A.Some birds do not build nests at all.B.All nests are sewed with grasses.C.Most of nests are made of mud.D.The tailor bird uses a needle to sew its nest.
A.Some birds do not build nests at all.
B.All nests are sewed with grasses.
C.Most of nests are made of mud.
D.The tailor bird uses a needle to sew its nest.
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单项选择题
... Old is suddenly in (Line 1, Para. 1 ) most probably means “ ________”.
A.America has suddenly become a nation of old people
B.gerontology has suddenly become popular
C.more elderly professors are found on American campuses
D.American colleges have realized the need of enrolling older students
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