【单选题】If you want to send a long document with your e-mail, you may use ( A ) to attach the file.
【单选题】What was Sally anxiously looking for?
【单选题】割边后合格正矫正镜片边缘最小厚度值为以下值时,其中边厚合格的是( )。
【单选题】听力原文:(A) They are holding the file together. (B) The woman is giving out her business card. (C) The woman is putting on a jacket. (D) They are working on the computer.