【单选题】He spoke very fast and very _____ people understood what he said. [ ]
【单选题】在分光光度计的检测系统中,用光电管代替硒光电池,可以提高测量的()
【单选题】If someone sends a message the size of one gigabyte, ______.
C.
it takes little time for a computer to read
D.
it is the size of a short note
【单选题】The little girl slept very well in one of the little beds.
【多选题】在Window7中,可以完成窗口切换的方法是( )
【单选题】Never before _____ so highly successful in his attempts to change the weather slightly on a very small scale. [ ]