题目

下列词语中加点字的读音，全都不相同的一组是 A．国粹  憔悴  鞠躬尽瘁  猝不及防               C．湍急  蹬踹  惴惴不安  仔细揣摩 B．点缀  拾掇  啜泣不止  日夜不辍               D．狙击  诅咒  神情沮丧  耐人咀嚼 答案：C 解析: C湍 tooān；踹 chuài；惴惴 huì；揣 chuǎi；A粹、悴、瘁均读cuì；B啜、辍均读chuò；D沮、咀均读jǔ。30、Prices of daily goods ________ through a computer can be lower than store prices. A. are bought   B. bought   C. been bought  D.buying