【判断题】爆燃传感器或其电路发生故障时,失效保护系统使ECU将点火提前角固定在一个适当值。
【单选题】All students in the class_______ a loud laugh when the professor told them a joke.
【单选题】爆燃传感器或其电路发生故障时,失效保护系统使ECU将点火提前角( )。
【单选题】We do not hesitate to give our lives for our country,______suffer some hardships.
【判断题】爆燃传感器或其电路发生故障时,失效保护系统使ECU将点火提前角固定在一个适当值。
【单选题】____________ we go for a walk? [ ]
【单选题】单项选择。 have some cakes? [ ]