【多选题】水泥稳定碎石基层出现强度不足的质量问题时,可以采取的措施有( )。
【单选题】The teacher was angry ____ I was late for class.
【单选题】商品名称:纸尿裤(婴儿用),应归入( )。
【单选题】— Why are you unhappy, Ben? — I was late for class again. I'm afraid Miss Li will be me. [ ]
【判断题】在电路参数相同的情况下,半波整流电路输出电压的平均值是桥式整流电路输出电压的一半。
【单选题】I was late for class yesterday __________ there was something wrong with my bike.