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【单选题】
调制解调器( MODEM )的主要功能是A.
模拟信号的放大
B.
数字信号的放大
C.
数字信号的编码
D.
模拟信号与数字信号之间的相互转换
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】When you travel in Xinghua, our local guide will show you around Zheng Banqiao Memorial Hall(纪念馆).
A.
a
B.
an
C.
/
D.
the
【单选题】Every year, we ______ a school trip to Zhou Enlai Memorial Hall.
A.
come on
B.
get on
C.
work on
D.
go on
【单选题】When was the Bao Gong ’ s Memorial Hall first built ?
A.
In Northern Song Dynasty
B.
In Southern Song Dynasty
C.
In Ming Dynasty
D.
In Qing Dynasty
【单选题】This memorial hall ______late in the 1930s in memory of this famous writer.
A.
built
B.
was being built
C.
would be built
D.
was built
【简答题】建设( )是中华民族永续发展的千年大计。
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