【判断题】第一类危险源是事故发生的根本,不存在第一类危险源就不会发生事故,因此,要预防事故必须消除第一类危险源。
【单选题】某刊封面上有Vol .15,请问Vol.是指该本期刊的?
【简答题】预应力混凝土施工时,后张法孔道留设有 ____ 、 ____ 、预埋金属波纹管法、充气拔管法等。
【单选题】某刊封面上有Vol.15,请问Vol.是指本期刊的( )
【简答题】阅读理解。 Do as the Romans Do The customs in different countries are rather different. If I have dinner with a Chinese host, he always puts more food onto my plates as soon as I have emptied it. That ofte...
【简答题】根据汉语写出正确的单词。 1.Tom doesn't like _________ (水果). 2.The rabbits like to have _________ (胡萝卜). 3. I don't like _________ (蔬菜). 4. She has two _________ (汉堡包)for lunch. 5. Lucy likes to eat _________ (冰淇淋...
【单选题】旅行社设立分社的,应当持旅行社业务经营许可证副本向______办理设立登记。
【判断题】第一类危险源是事故发生的根本,不存在第一类危险源就不会发生事故,因此,预防事故就要消除第一类危险源。
【单选题】Aimlessness has hardly been typical of the postwar Japan whose productivity and social harmony are the envy of the United States and Europe. But increasingly the Japanese are seeing a decline of the t...
A.
under aimless development
【单选题】旅游社设立分社的,应当持旅游社业务经营许可证副本向分社所在地的工商行政管理部门办理设立登记,并自设立登记之日起( )内向分社所在地的旅游行政管理部门备案。