Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.
句子写作：Suchanattitudewouldemphasizethevalueoflife.
Itisimportantto________yourskinfromtheharmfulstrongsunlight.
翻译：我最近还在另一个地方说过：艺术的最高境界是无技巧。
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
