【单选题】When was the bridge built over the fiver Granta?
【单选题】When was the bridge built over the river Granta?
【判断题】线胀系数是表征物体长度随温度变化的物理量
【简答题】____是表征物体长度随温度变化的物理量。
【单选题】Around what time did the university begin to appear?
【判断题】同时喷油正时控制即所有汽缸的喷油由ECU控制同时喷油和停油。