题目

The drunken husband knocked against the table and sent the bowls _____ in all directions before he was sent _____ by his wife.  A. flying; to sleep     B. flying; sleeping    C. to fly; to sleeping        D. to fly; to sleep   答案：Asend sb./sth. doing意为“使 ……快速移动”;send sb. to sleep意为“使某人入睡”,其中to 为介词,sleep为名词。噬菌体侵染细菌的实验证明了：A．蛋白质是遗传物B．DNA是遗传物质C．DNA是主要的遗传物质D．蛋白质和DNA是遗传物质