当数据通过电话线系统向远方传递时，必须通过______来实现计算机局域网环境与电话线系统的连接。
计算机病毒传播是指病毒从一个程序或数据文件侵入另一个程序或数据文件的过程。( )
A. 对
B. 错
产生下列问题的原因是 混合不均匀或不溶性成分迁移( )
A. 黏冲
B. 片重差异超限
C. 裂片
D. 崩解度不合格
E. 均匀度不合格
Questions 11～13 are based on the following talk. You now have 15 seconds to read Questions 11～13. The screens of televisions of the future will become
A. [A] extremely large
B. as large as walls in home
C. as large as the screens of movies
D. as large as you wish
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