第4题:[单选题]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 参考答案:B 题干意为“据推测,这种疾病的治愈方法将在2000年面世。” 句中划线词为动词,意为假定;要求;视……为理所当然。B项assumed意为假定;假设;例句:It is reasonable to assume that the economy will continue to improve.认为经济会继续好转是有道理的。A项意为:向……挑战;C项意为扣除,减去;演绎;D项意为颁布法令;故选B。