假设演示文稿已准备就绪，但是不知道用来进行演示的计算机是否安装了PowerPoint。使用“打包至CD”比较安全。()
1、正确正确
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Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.
WhichofthefollowingisnottrueaboutCanada'smanufacturingtoday?
Wecannotleavethistoughjobtoaperson________.
OxfordAdvancedLearnersDictionary’,3rdEdition(1980),isamongthebest-knownBritish______dictionaries.
ThethemeofThanksgivinghasalwaysbeen________.
