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【判断题】
烧结黏土砖有红砖和青砖之分,若烧结时窑内为氧化气氛,则烧出的为青砖;若烧结时,窑内为还原气氛,则烧出的为红砖。A.
正确
B.
错误
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举一反三
【单选题】Which of the following is NOT correct according to the conversation?
A.
The dancers are not only confined to native American Indians.
B.
It's hard to tell the origin of the music, dances and some costumes.
C.
Even within the same tribe no universal style. or complete agreement exists.
D.
The won-us-award dance was originally used to retell battles.
【简答题】Mr．Grey has two sons，——are famous dancers．
【单选题】The singer and ________ has arrived already.
A.
dancer
B.
a dancer
C.
the dancer
D.
dancers
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