It is postulated that a cure for the disea
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It is postulated that a cure for the disease will have been found by the year 2000.
A:challenged B:assumed C:deducted D:decreed
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答案：B
本句意思：据推测，到2000年能研究出治愈该病的方法。postulate意为“假定”，与 assume(假定，设想）意思相近。challenge挑战；deduct扣除，减去；decree判决，裁定。