Consonants can be classified into two types. One type is voiced consonant and the other is unvoiced.
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The airstream is blocked completely for a time when making stop consonants, but the airstream is only partially blocked when making fricatives.
A. 对
B. 错
振兴中华的口号提出者是( )
A. 孙中山
B. 梁启超
C. 周恩来
孙中山是伟大的民主革命先行者。他一生最突出的历史功绩是领导了( )
A. 洋务运动
B. 新文化运动
C. 辛亥革命
( )一声炮响给中国送来了马克思主义。
A. 第一次世界大战
B. 巴黎公社革命
C. 十月革命