Word提供的替换功能一般用于以新内容替换文档中原有的内容。()
A. 正确
B. 错误
2009年1~5月,全国钢坯月均进口量为多少万吨?()
A. 45.6
B. 46.2
C. 47.4
D. 49
In some countries bathing is expensive because ______.
A. there is not enough water
B. electricity and wood are expensive
C. there are not many baths
D. bath-houses are rare
因为内存储器的存储容量较小,所以它存取数据的速度比外存储器要慢。()
A. 正确
B. 错误