exist

　　prevent

　　puzzle

　　block

　　crash

　　cheer float

　　exhaust

　　watch Ⅳ.单元重点动词 ◆活学活用 用上述动词的适当形式填空。 1._____________very fast，rabbits soon became the largest family of all the animals in this woods. 2._____________ at the _____________ result，he stood there，not knowing what to do. 3.There is no need _____________ yourself clearing up—we，ll do it ourselves. 4.Does life _____________ on other planets? 5.Many roads _____________after today，s heavy snow，so you，d better not go out. 6.It was reported that a plane _____________ soon after it took off，causing 10 deaths. 答案：1.Multiplying 2.Puzzled；puzzling3.to exhaust 4.exist

　　5.are blocked

　　6.crashed Ⅴ.重点句型 1.It was not immediately obvious that water was to be fundamental to the development of life.(P26) 水会对于生命的发展起关键作用，这一点在当时并不明显。 It is/was obvious that...“很明显……” 剖析：It

　　is

　　adj.that...在本句中，it 是形式主语，that引导的从句作真正的主语。it做形式主语时，后面的真正主语可以由不定式，动名词或从句充当。如： It is easier to break down friendship than to build up friendship. 破坏友谊比建立友谊要容易。

【2017届高考英语一轮复习课件： Unit4（新人教版必修3）】相关文章：

★ 2017高考四川省广安市英语阅读理解一轮系列训练：1（含解析）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修4 unit3《A taste of English humour》

★ 2015-2016高考英语二轮复习常见的七大误区

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (62)

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（10）及答案

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修5 Unit 2 The United Kingdom

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (64)

★ 2017届新课标高考一轮复习英语人教版 浙江专版课件：part1 必修3 unit4(1)

★ 2017高考四川省广安市英语阅读理解一轮系列训练：30（含解析）

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（4）及答案