第9题: [填空题]If one wants to experience the lucid dreaming routinely, he or she should have ______. 参考答案:special training or temperament 答案解析:参见第4个小标题What Dreams Can Do for You下的第3段的1、2行:Although everyone has the potential to dream lucidly, i
第23题: [单项选择]平均无故障时间的英文缩写是( )。 A. MTBF B. MTTR C. MFLOPS D. MIPS 参考答案:A 答案解析:[解析] MTBF是Mean Time Between Failures的缩写,指多长时间系统发生一次故障,即平均无故障时间。MTTR是Mean Time To Repair的缩写,指修复一次故障所需