单项选择题
您的浏览器不支持 audio 元素。
A.Two square meters.
B.Two square millimeters.
C.Less than two square millimeters.
D.Twice the size of two square millimeters.
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单项选择题
C
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单项选择题
A.A piece of news.B.A radio program.C.A story.D.An announcement.
A.A piece of news.
B.A radio program.
C.A story.
D.An announcement.
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