People who can ’t _______ between colors are said to be color -blind.
C
distinguish:区别,辨别。distinguish多与between、from搭配.
Thevehiclewastravelingatspeeds________90milesperhour.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask,theycanbereprogrammedbyacomputertodoanotherone.
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.