A.requestB.demandC.challengeD.requirement
A. request
B. demand
C. challenge
D. requirement
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A.tinyB.potentialC.fundamentalD.substantial
A. tiny
B. potential
C. fundamental
D. substantial
【40】
A. that
B. this
C. those
D. which
【34】
A. instinct
B. disguised
C. distinguished
D. distinct
【37】
A. few
B. many
C. more
D. fewer