题型:名词解释 He _____ articles for our wall-newspaper these three years, and he _____ about forty articles.A.has been writing; has writtenB.has been writing; wroteC.is writing; has been writingD.has written; has written 查看答案
题型:名词解释 建立计算机及其网络设备的物理环境,必须要满足《建筑与建筑群综合布线系统工程设计规范》的要求,计算机机房的室温应保持在()A.10℃至25℃之间B.15℃至30℃之间C.8℃至20℃之间D.10℃至28℃之间 查看答案