【单选题】( )的作用是检测三元催化转换器的催化效率
【简答题】三元催化转换器后安装氧传感器的作用是 [填空(1)] 。A. 检测经过三元催化转换器转换后的排气成分,监测三元催化转换器的转换效率。
【简答题】---The weather report said that there is rain today. ---But I don’t think the football match will be put off_____. A. although B. even so C. even though D. as though
【判断题】g = lambda x: 3不是一个合法的赋值表达式。
【判断题】g = lambda x: 3 不是一个合法的赋值表达式。
【判断题】It is said that there is plenty of oil off our coast.