选择题:Helen had to shout ____________ above the sound of

题目内容:
Helen had to shout ____________ above the sound of the music.(本题2.0分)
A、 making herself hear
B、 to make herself hear
C、 making herself heard
D、 to make herself heard
参考答案:

CPU中控制器的功能是( )。A、进行逻辑运算B、进行算术运算C、分析指令并发出相应的控制信号D、只

CPU中控制器的功能是( )。A、进行逻辑运算B、进行算术运算C、分析指令并发出相应的控制信号D、只控制CPU的工作

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