职业与理想主题词汇 — 英语词汇题
题目
根据英文释义写出本单元所学的职业词汇，注意拼写完整：1. a person whose job is to fly planes ______；2. a person who designs machines, roads or buildings ______；3. a person who does research to discover new things about the world ______；4. a person who takes care of people's teeth ______。