【判断题】The standard form. of British English can be can be represented by the BBC broadcast. ()
【单选题】Standard English is based on the speech of the upper class of ________England, adopted as a broadcasting standard in the British media.
【单选题】把(a-1) - 1 a-1 中的(a-1)因子移入根号内得( )
【单选题】The young man was by his grandma in London,so he can speak standard British English.
【单选题】内扩散效率因子 η <<1 ,表明 _ ___
【简答题】请阅读“当你是世间唯一的病人”,写一篇约200字的读后感。
【简答题】A. American B. British C. standard D. enough
【判断题】燃油压力调节器保持油路内的压力与进气歧管压差保持恒定,以确保电脑控制喷油量不受油压的影响。