雅思考试必备单词有哪些答:3.社会话题词汇:-教育:school,university,student,teacher,etc.-环境:pollution,climatechange,recycling,etc.-健康:exercise,diet,fitness,etc.-科技:computer,internet,smartphone,etc.-社交媒体:Facebook,Twitter,Instagram,etc.4.高频词汇:-人称代词:I,you,he,she,they,etc.-情态动词:can,could...