题目

---Do you often _____ your sister? ---Yes, she often writes to me.A. hear B. hear of C. hear from D. hear about 答案：【答案】C【解析】本题主要考查词语辨析hear of听说；hear from收到某人的来信；根据答语应选C。某家电商场近来一个月卖出不同功率的空调总数见下表：功率（匹）  1 1.52 3 销量（台）  80 7890 25 那么这一个月卖出空调的众数是    匹空调．