问题
单项选择题
全塑市话电缆按导线材料可分为（）两种。
A、全色谱和普通色谱
B、铜导线和铝导线
C、填充型和非填充型
D、传输数字信号和传输模拟信号
答案
参考答案：B
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全塑市话电缆按导线材料可分为（）两种。
A、全色谱和普通色谱
B、铜导线和铝导线
C、填充型和非填充型
D、传输数字信号和传输模拟信号
参考答案：B
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It may include(包括)stories, pictures, diaries and ideas from visitors. We can communicate(交流) better with others. Anyone can have his or her own blog. (2)__________ So do many other Chinese, including teenagers and college students. People who have blogs are called bloggers(写博客的人). The bloggers write about their everyday lives, worries and even opinions on the sociely. (3)__________ (4)__________ Anyone can read the blogs at any time. Recent studies show that students often give out their names, ages and where they live in their blogs. (5)__________ Many students do not know about privacy(隐私)and are surprised to learn that adults can easily read their personal daily records(记录). |