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【判断题】
PCM是脉冲编码调制的英文缩写。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】组织切片常用的染色方法为（）染色。
【单选题】--Do you know if we _______ to the cinema tomorrow? --I think we'll go if we _______too much homework． [ ]
A.
go,will have
B.
will go,don't have
C.
will go,had
D.
go,don't have
【单选题】(As soon) as (we've finished) supper, (we'll all) go (to) downtown to see the Sound of Music.
A.
As soon
B.
we've finished
C.
we'll all
D.
to
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