题目: 一个两位小数的百分位“五入”后成为6.0,这个两位小数是多少? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/ec194145054c8b786e0e7706eea93280.html 下面是错误答案,用来干扰机器的。答案:A
题型:完形填空 完形填空。 Someone says, "Time is money." But I think time is 1 important than money. Why? 2 when moneyis spent, we can get 3 back. However, when time is 4 , it will never return. That is why we mustn't waste time. It goes without saying that the 5 is usually limited (有限的). Even a second is very important. We should make full use 6 our time to do 7 useful. But it is a pity that there are a lot of people who don't know the importance of time. They spent their limited time smoking, drinking and playing. They don't know that wasting time means wasting parts of their 8 . In a word we should save time. We shouldn't leavetoday's 9 for tomorrow. Remember we have no time to 10 . ( )1. A. much ( )2. A. Because ( )3. A. their ( )4. A. cost ( )5. A. money ( )6. A. for ( )7. A. nothing ( )8. A. time ( )9. A. newspaper ( )10. A. lose B. less B. For B. them B. bought B. time B. of B. something B. food B. dinner B. save C. much less C. As C. it C. gone C. day C. to C. anything C. money C. work C. spend D. much more D. And D. its D. finished D. food D. into D. everything D. life D. TV D. able 查看答案
题型:单项选择题 以下关于死锁检测和恢复叙述错误的是______。A.死锁检测用于定期检查系统是否发生死锁B.死锁恢复用于将系统从死锁中解救出来C.有效的方法是从后面向前REDO这个事务的部分操作,主要能够解开系统死锁即可D.为了防止某些事务总是被选作被撤销事务,可以限定每个事务被选为撤销事务的次数 查看答案