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【简答题】
电视节目之所以吸引人，其中一个重要的原因是电视栏目的丰富多彩，请结合实例简要说明电视栏目的性质、特点和构成元素。
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皮皮学刷刷变学霸
举一反三
【单选题】In the preface ______the book, the writer thanked all the people who had helped him.
A.
of
B.
for
C.
in
D.
to
【单选题】This is _______ important book. It helped me a lot in ________ old days.
A.
a; an
B.
an; the
C.
the; an
D.
/; the
【单选题】The book has helped me greatly in my daily communication, especially at work ________ a good impression is a must.
A.
which
B.
when
C.
as
D.
where
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