[单项选择]依据事故( )不同,事故可分为责任事故和非责任事故。 A. 造成事故的责任 B. 事故造成的后果 C. 监管的行业 D. 企业职工伤亡事故分类
参考答案:A
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A. Three men were injured during a fire. B. One man died during a fire accident. C. A fire started inside a spaceship. D. A spaceship was launched. 参考答案:C 答案解析:[听力原文] 11-13 Although it is impossible to eliminate all risks from such a complex and experi
第32题: [单项选择]He speaks as if ______ a native speaker of English. A. were B. was C. has been D. had been 参考答案:A 答案解析:as if 后面的从句用虚拟语气形式,表示与事实相反。该句用过去式,表示与现在事实相反。be的过去时用were。如果用过去完成时或过去将来时,则分别表示与过去或将来事实相反。