【单选题】我国古代谁最早提出了语言的任意性原则?()
【单选题】我国古代的()最早提出了语言的任意性原则。
【单选题】在句子"I wonder if he sensed my reluctance to be seen with him during our walks. If he did, I am sorry I never told him how sorry I was, how unworthy I was, how I regretted it." 中 (regretted)it指代的是______...
A.
the reluctance to walk with him
B.
I never told him how sorry I was
【判断题】标注球面的尺寸,应在 φ 或R前加注“ S ”。标注弧长尺寸时,尺寸线用圆弧,并应在尺寸数字上方加注符号“ ⌒ ”。
【单选题】—May I speak to Johnson? —Sorry, he in. He to the cinema.
【单选题】我国古代的()最早提出了语言的任意性原则。
【多选题】内部收益率作为评价投资方案经济效果的指标,其特点包括( )