2019高考英語一輪復習Unit 22
XX高考英語一輪教學案大綱版
unit 22
理解:要點詮釋
單詞
1.prevent
講: v. 妨礙；阻礙；防止；預防
例：we should do our best to prevent accidents.
我們應該盡力防止事故發生。
however,some psychologists warn that too much study can prevent a child from developing normally.
然而心理學家警告說學生負擔太重會阻止孩子正常發育。
her sudden arrival prevented him(from)going out.
她突然來到使他不能外出。
鏈接•提示
prevent sb. (from)doing=stop sb. (from)doing=keep sb. from doing 阻止某人做某事
在主動語態中，使用stop或prevent時，可省略from，用keep時不可省略from，因為keep...doing的意思為“某人一直做”；在被動語態中都不可省略from。
練：—what _______ you to come to the party?
—an unexpected accident _______ me going.
a.prevented;forbad b.protected;forbad
c.forbad;prevented d.stopped;kept
提示:該題考查動詞搭配及意義的辨析。forbid sb. to do禁止某人做某事；prevent sb. (from)doing防止、妨礙某人做某事；stop sb. (from)doing讓某人停止做某事；keep sb. from doing不讓某人做某事；protect sb. from+n.保護某人躲開某物。
答案:c
2.divide
講: v. 分；劃分；分開；隔開
例：how should we divide our work?
我們怎樣分工？
the red sea divides africa from asia.
紅海把非洲和亞洲分開。
let’s divide ourselves into several groups.
咱們分成幾個小組。
鏈接•提示
(1)divide...into...把……分成……
(2)divide sth.between/among sb.(在……之間)分配；分享；分擔
(3)divide by用……除(盡)；因……分裂
(4)divide and rule分而治之
練：(1)he _______ his time between reading and writing.
a.divides b.joins c.separates d.devotes
提示:從句意和結構看，應該使用divide，divide sth.between a and b把(時間、精力等)分別用于……。
答案:a
(2)he divided the tools _______ the children,who were _______ three groups.
a.between;separated from b.among;divided into