题目

厂家检测甲、乙、丙、丁四个足球的质量，超过标准质量的克数记为正数，不足标准质量的克数记为负数，结果如图所示，其中最接近标准质量的足球是． 答案：【1】丁 The teacher suggested         English from time to time every day.        A. having read       B. us to read   C. our reading D. being read