题目

The teacher made a request that all the homework ________ before class. A . should hand in B . must be handed in C . be handed in D . were handed in 答案：C罗斯福新政的结果是（ ）A.消灭了经济危机的根源B.改变了美国社会的性质C.化解了资本主义社会的根本矛盾D.使美国经济摆脱了危机并逐渐复苏