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【单选题】
下列关于计算机病毒的描述中，正确的是（ ）。A.
计算机病毒只感染后缀为.exe或.com的文件
B.
计算机病毒是通过电力网传播的
C.
计算机病毒通过读写软盘、光盘或因特网传播
D.
计算机病毒是由于软盘表面不清洁而引起的
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反馈参考答案：
举一反三
【单选题】Susan hasn't her mind to study abroad.
A.
made up
B.
make up
C.
mading up
D.
makes up
【单选题】Lily want to know ___. A, if Susan has received her present B. when she will go back got England C if Susan can meet her at the airport D. when Susan can go to Disneyland with her
A.
B.
C.
D.
D
【简答题】教师资格考试论述题：在教学中如何贯彻启发性原则？
【简答题】Does Susan like her vocational school?
【简答题】在教学中如何贯彻启发性原则？（广东省）
【简答题】在教学中如何贯彻启发性原则？
【简答题】Susan called her. She said that she had lost her money and would invite Lily next time. It was Susan calling ______ that she had no money and would invite Lily next time.
【简答题】在Excel 2003中,正确引用工作表sheet2中B6单元格的方式是( )。
【简答题】渐开线具有哪些重要的性质?渐开线齿轮传动具有哪些优点?
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