Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.
A、separate
B、divide
C、distinguish
D、appointed
Wateriscomposed_______hydrogenandoxygen.
A、of
B、with
C、for
D、about
Agriclturalchangesinthelate18thandearly19thcenturiesinEnglandweresogreatthattheywereworthyoftheterm“________”.
A、reform
B、evolution
C、revolution
D、reformation
TheNewFrontierandWaronPovertywereputforwardrespectivelyby________.
A、EisenhowerandKennedy
B、JohnsonandNixon
C、JohnsonandKennedy
D、KennedyandJohnson
ThelongestriverinCanadais________.
A、theMackenzie
B、theStLawrence
C、tehSevern
D、theYukon