题目

Every year, ____ graduates take pan in TOEFL for further education abroad. A. too much    B. several scores    C. many a   D. scores of 答案：D 解析:    四个选项中只有scores of能修饰复数名词。many a修饰单数名词。车间计划30天生产900个零件，实际前15天生产了435个，照这个进度计算，能否按计划完成任务?