2020年高考一轮复习第一部分Unit4Astronomy：thescienceofthestars课件必修3（英语）.ppt

(3)The police car signaled to us to pull down at the side of the road. down→in back→down __________________________________________________ (4)They are pulling back those houses to make room for a new hotel. __________________________________________________ 1.in time 及时( ＝early or soon enough)；终于(＝ eventually)；迟早(＝sooner or later) in time for...……刚好赶上 in time to do sth.及时做某事 on time 准时 all the time 一直；始终 at one time 曾经；一度 at a time 每次；逐一 at no time 决不 at the same time 同时 from time to time 有时；偶尔 ahead of time 提前；提早 time and time again 一次又一次；一再 〖用法指引〗 in time 强调在要求时间之前，或刚好；而 on time 侧重准 时。 运用 单句语法填空 in at on to have (1)(2018 年天津卷·阅读理解 D)They focus on arriving at the camp ________ time. (2)Dont all speak at once! One ________ a time, please. (3)If you cant arrive there ________ time, you should inform them in advance. (4)(2017 年新课标Ⅲ卷·七选五型阅读理解)Do you want to get up in time ______________ (have) breakfast with your family, get in some exercise, or just be better prepared for your day? 2.in ones turn 轮到某人；接着 in turn 轮流；依次 by turns 轮流；交替 take turns to do sth.轮流做某事 Its ones turn to do sth.轮到某人做某事。 〖易混辨析〗 in turn, in ones turn 和 in return (for) (1)in turn 轮流；依次(A→B→C)。如： The children called out their names in turn. 孩子们依次报出 自己的名字。 (2)in ones turn 轮到某人；接替。如： When it is in my turn, I am too excited to speak.当轮到我时， 我激动得说不出话来。 (3)in return (for) 反过来，作为对……的回报 (A←→B)。 如： I invited him for the supper which was in return for his saving my daughters life.为了感谢他救了我女儿，我邀请他去我家吃晚 饭。 运用 完成句子，每空一词 (1)轮到你用电脑了。 ________ ________ ________ to use the computer. (2)他们轮流值夜班。 They were __________ _________ to be on the night shift. (3)人们使用自己的小汽车避免公共交通延误，反过来，这 造成了更多的问题。 People try to avoid public transportation delays by using their own cars, and this ________ __________ creates more problems. Its your turn taking turns in return 3.prevent...from 阻止；制止 stop/keep...from...阻止……免受……伤害 〖用法指引〗 (1)在主动语态中，stop 和 prevent 后的 from