未分类题As used in the second sentence of the third paragraph, the word 'unique' means ______.A.specialB.attractiveC.financialD.peculiar Text 2
单项选择题按照NB T 47014,焊条J507(E5015)属于焊条的分类代号是( )。 A、FeT-1-1 B、FeT-1-2 C、FeT-1-3 D、FeT-1-4
单项选择题A. B. C. D.
未分类题What does the underlined word 'they' (Line 3, ParA.3) refer to?A.Rare books.B.Library users.C.Book owners.D.Library conditions.
判断题应急处置基本操作-CRH380B型动车组停放制动切除:切除本车空气制动,如果车辆控制面板供电故障或BCU供电故障,或是列车蓄电池关闭,则需要下车将截断塞门B15置于“关断”位置。 正确 错误