【单选题】()是衡量军队指挥自动化的一个重要指标。
【简答题】We provided the sufferers ________ food and clothes. =We provided food and clothes _________the sufferers.
【单选题】This is our first lesson, so I don't know all your names.
【单选题】平面汇交力系的独立平衡方程数目一般有 个。
【简答题】句型转换:Women often talk about food and clothes. → Food and clothes _____ often _____ about by women.
【单选题】She often provides food and clothes the homeless children.
【单选题】First, I don't know whether to take math or computer science.
B.
首先我不知道我是应该选择数学还是计算机科学?
【单选题】.除去苯中混有的少量噻吩,可选用的是试剂是