Unit 1 language points(II) 同步课件【新教材】人教版（2019）英语高二上册选择性必修第二册

Talkingabout scientific experiences Talking about scientific experiences 人教（2020）选择性必修二 Unit 1 01. 1. cast: v. (cast/cast) 投射， 向......投以（视线，笑容）; 投票 扮演...角色 cast/ throw a shadow over/ on 给......投上阴影---- light ? cast doubt on/upon 使怀疑，造谣中伤 cast down 使沮丧/使失望 cast aside 扔，抛，废弃 1). The moon cast a white light into the room. 2).Academic fraud in credit record might cast a shadow on their lives as well as academic careers. 3). She was often cast as “the other woman”. 4). She cast a sweet smile in his direction. 5). He cast aside all his old friends when he became rich. 2. shadow: n. 影子， 阴影，背光处（U） in the shadow 在阴暗处 in /under the shadow of 在......阴影下 a shadow of 少许 1). Obesity is a shadow ___________(hang) over your future health. 2). The first picture was the outline of a man's shadow cast________ the sun upon a wall. 3).I turned, o