【简答题】重大生产安全事故应当启动应急预案,经研究酌情报告。( )
【判断题】Chomsky’s notion of performance is connected with “doing things with words.”
【简答题】汽油机燃料供给系统分为化油器式燃料供给系统和______俩大类。
【单选题】The poor girl was ___ with hunger and cold in the heavy rain.
【简答题】汽油机燃料供给系统分为_______式燃料供给系统和_______式燃料供给系统两大类。