【名师整理推荐】2015高考英语人教版一轮讲义：必修4 Unit 1-5（10份，四川）

四川省2015高考英语人教版一轮讲义：必修4 Unit 1（2） Only after her mother came to help her for the first few months was she allowed to begin her project. 她母亲头几个月来帮她的忙，这才使她得以开始自己的计划。 [来源:学科网ZXXK] (1)only在句首修饰作状语的副词或介词短语时，句子要倒装。 (2)only在句首修饰状语从句时，主句要用倒装语序，从句 不用倒装语序。 (3)only在句首修饰句子的主语时，不用倒装语序。 ①Only when I left my parents for Italy did_I_realize how much I loved him.只有当我离开父母去意大利时我才意识到我是多么的爱他们。 ②Only then did I realize how much time I wasted in playing computer games. 只有那时我才意识到我浪费了那么多的时间玩电脑游戏。 含有否定意义的副词或连词，如never，not，not only，little，seldom，hardly，not until，neither，nor，no sooner等放在句首时，句子要用部分倒装形式，即把助动词、情态动词或连系动词置于主语之前。需要注意的是，在no sooner...than...和hardly...when...引导的句子中，倒装部分常用过去完成时。 ③Hardly had_the_bell_rung_when the students rushed out of the classroom.铃一响学生们就冲出了教室。 ④Never will I forget the days when we stayed together in the countryside.我永远也不会忘记我们在农村一起呆过的日子。 She is leading a busy life but she says：“Once I stop，it all comes crowding in and I remember the chimps in laboratories.It’s terrible.It affects me when I watch the wild chimps...” 她的生活是忙忙碌碌的，然而，正如她所说的：“我一旦停下来，所有的一切都会涌上心头。我就会想起实验室的黑猩猩，太可怕了。每当我看着野生黑猩猩时，这个念头总是萦绕着我。” once此处用做连词。意为“一旦……就”，用于连接时间状语从句，类似于as soon as。 ①You will be successful in the interview once_you_have_confidence.在面试时你一旦有了自信心，一定会成功。 ②Once you get into a bad habit of smoking，you will find it hard to get rid of it. 一旦你养成了吸烟的坏习惯，你会发现很难去掉。 ③Remember that you won’t be able to change the contract once you’ve signed.请记住一旦你签了合同就不能更改了。 Suddenly it hit me how difficult it was for a woman to get medical training at that time. 我突然想起在那个年代，一个女子去学医是多么地难。 句中使用了“It hit(s) me＋从句”结构，意思是我突然想到……，it在句中作形式主语。类似的结构还有： It occurs to sb.that...(某人)突然想到…… It strikes/hits sb.that...(某人)突然想到…… It happens that...碰巧…… ①(2012·全国卷Ⅱ完形填空)Then it hit me—I had been giving all of my attention to what was going wrong with my life rather than what was right！我突然意识到我一直都在关注生活中错误的而不是正确的事情。 ②After hospital life for a week it_struck_me_that nothing is more important than health. 住院一个星期后我突然了解到没有比健康更重要的东西了。 ③It_occurr