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【单选题】
绦虫全部营寄生生活,幼虫主要寄生的动物是:A.
脊椎动物
B.
无脊椎动物
C.
两者均可寄生
D.
两者均不可寄生
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举一反三
【单选题】____ the help ____ Mr . Wang , the little boy could see the blue sky again .( )
A.
Under ； of
B.
With ； of
C.
With ； from
D.
Without ； of
【简答题】It seems that the little boy could never forget the terrible experience in his________school.
【单选题】All of the visitors were _____ that the little boy could walk on his hands.
A.
advanced
B.
exhausted
C.
supposed
D.
amazed
【单选题】"Mrs. Wright, can you give me a little extra help typing some letters today?" "Sorry, I can't. The boss has an urgent report for me to write. She demanded that it _______ on her desk by 5 p.m. Today."
A.
was
B.
will be
C.
is
D.
be
【单选题】The little boy could ------ himself when he was three years old .
A.
put on
B.
wear
C.
wearing
D.
dress
【单选题】_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.
A.
Blaming; to admit
B.
Blamed; admit
C.
To blame; admitted
D.
To be blamed; admitting
【简答题】设函数 ,则 的间断点是____。
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