Unit 3 Inventors and inventions. 单元教学目标技能目标Skill GoalsTalk about inventors and inventions Learn about the stages used in scientific researchLearn to use the past participle as the attribute Write an entry for an encyclopedia about some inventions Write a letter asking for a job. 目标语言功 能 句 式Make a telephone callHold the line, please.Hang on, please. Just a moment, please.Im sorry, but this phone is out of order. I cant get through. Sorry. H
