【单选题】构建生态文明制度体系建立以()为基础、以用途管制为手段的国土空间开发保护制度。
【简答题】The lights were still on. They______ (forget) to turn them off when they left the classroom.
【单选题】●在计算机程序设计语言中,可以直接被计算机识别并执行的是 (18) 。 (18)
【单选题】若向量 不能由向量组 线性表示,则λ= ( )
【单选题】We don’t permit _____in the classroom; that is to say, students aren’t permitted _____in the classroom. [ ]
【单选题】The teacher told the class to ______ with their exercises while he was out of the classroom.
【单选题】在孔、轴配合制的选择中,如遇冷拉钢材直接作轴,或结构上遇到“一轴多孔”的情况时,应选用( )。
【单选题】轴配合制的选择中,如遇冷拉钢材直接作轴,或结构上遇到“一轴多孔”的情况时,应选用( )。