Unit 2 Robots

unit 2 robots
一．重点单词
1.complaint n.  不可数名词“抱怨”；可数名词“抱怨的行动或话，投诉”
the road-works caused much complaint among local residents.
i have a number of complaints about the hotel room you have give me.
 complain:  v：complain to / about
he never complains about the pain .
she left early, complaining of a headache.
2.post ：vt.‘邮寄’：. post something for sb.
this card was posted from london a week ago.
        n.“ 邮件，邮报”
when does the first post go out?
mr white reads washington post every day.
3.iron : v. 熨烫，烫平， n. 熨斗
he was ironing his shirt when i arrived.
an iron is used for smoothing clothes.
4.sweep vt. sweep-swept-swept  sweep the floor :  clean the window
5.everyday / daily  /every day
every day  adj. 表示“日常的，每天的，普通的”，不强调每天发生的事;
daily作形容词表示“每日的”