【单选题】____ we went those days when we were in the countryside, we were warmly welcomed.
【判断题】当一组混凝土试块中的两个试块测试强度均与中值的偏差大于l5%时,该组混凝土强度不合格。( )
【单选题】We didn’t know you were in trouble at that time, ________we would have given you a hand.
【单选题】We got lost in the forest and decided to remain _____ we were and waited for rescue.
【判断题】当一组混凝土试块中的两个试块测试强度均与中值的偏差大于15%时,该组混凝土强度不合格。( )
【判断题】课程有许多类型,相同类型的课程具有不同的教育价值。每种课程类型在学校课程结构中都拥有不可或缺的地位,对学生都具有特定的教育价值,必须处理好各种课程类型之间的关系。
【判断题】当一组混凝土试块中的两个试块测试强度均与中值的偏差大于15%时,该组混凝土强度不合格。( )
【单选题】________ we were out of the traffic jam we were able to resume our normal speed.
【单选题】We are going for a picnic tomorrow. I'll call Wendy to make sure ________. [ ]
【判断题】当一组混凝土试块中的两个试块测试强度均与中值的偏差大于10%。