下列叙述中正确的是______。A．软件交付使用后还需要进行维护 B．软件一旦交 发布时间：2018-07-12 10:39 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列叙述中正确的是______。A．软件交付使用后还需要进行维护 B．软件一旦交付使用就不需要再进行维护C．软件交付使用后其生命周期就结束 D．软件维护是指修复程序中被破坏的指令
题型：单项选择题 用方框内单词的适当形式填空sleep ; look ; have ; skate ; notice ; hungry ; golden ; be1. The children _____ all at school yesterday.2. My brother enjoys _____ in winter.3. The Greens _____ a big dinner at a restaurant yesterday.4. Tom was tired and was soon _____.5. You must _____ after the twins because they are too young.6. I _____ a beautiful flower in the garden yesterday.7. I was very _____ because I didn't have breakfast this morning.8. My father bought a _____ watch for my mother as a birthday present. 查看答案