Unit3课文重点讲解
1. impression  印记；印象；感想；后接 of sb./ of sth./ on sb./ that 从句；
知识拓展：impress v.给……留下深刻的印象；使铭记；使感动；常用结构有：impress sth. on/upon sb ./ impress sb. with sth .给……留下深刻的印象；使铭记；
做一做:
1）___________________________was favorable.他给我的第一印象不错。  
 His first impression on me / My first impression of him
2．I still cannot believe that I am taking up my prize that was won last year. 我仍然无法相信我是在接受去年获得的这个奖励。
take up 有这几个含义：
1）to start to do sth. 开始做（某项工作）；开始从事（工作）；
I have taken up teaching since I graduated from university.
我大学毕业后就从事教学工作。
2）to accept sth. that is offered or available 接受（建议或能得到的东西）。
She took up his offer of a drink. 他请她喝一杯，她接受了。
另外还表示“占用空间和时间”
This table takes up too much room. 这张桌子太占地方了。
The work took up all his time. 那工作花费了他所有的时间。
做一做：
Helen always helps her mother even though going to school ______ most of her day. (广东)
A. takes up          B. makes up       
C. saves up         D. puts up
A
3.I have to remind myself constantly that I am really in AD 3008. 我不得不一直不断地提醒自己已到了公元3008年。
1)remind v.提醒；使想起；常用结构有: remind sb. to do sth.提醒某人做某事；remind sb.＋(that)/wh-从句 提醒某人……；使某人想起……； remind sb. about/of sth. 使某人想起或意识到……；提醒某人某事
He reminded the children to wash their hands. 他提醒孩子们去洗手。                                     
This song reminds me of my childhood. 这首歌曲使我想起了我的孩提时代。                                 
The doctor reminds me that I should see her again in two months. 医生提醒我两个月后应该再去看她。
做一做
①1You _________me ______your father when you say that. 你说这样的话使我想起了你的父亲。
remind  of  
②Remind me ________ __________Alan before I go out.
提醒我在出去之前给艾伦打电话。
to phone
知识拓展：reminder n.提醒物；引起回忆的事物
2)constantly adv.始终；  一直；重复不断地
Fashion is constantly changing.时尚总是日新月异。
知识拓展：constant adj.连续发生的；不断的；重复的；
4. Worried about the journey, I was unsettled for the first few days. 因为担心旅程，开始的头几天我很不安。  
此处 Worried about the journey的作用相当于一个原因状语从句As I was worried about the journey,在句中作状语
5. This is similar to the “jet lag” you get from flying, but it seems you keep getting flashbacks from your previous time period. 这种病有些像乘喷气式飞机高速飞行时所引起的时差反应那样，所不同的是，它意味着你的脑海里不停地从以前的时间段一直往回闪去。
1）be similar to  与……相似
be the same as  与……相同
be different from  与……不同
2）you get是定语从句，修饰the “jet lag”, 省略了关系代词which/that(作get的宾语)；when flying是省略句，省略了主语you和谓语动词的一部分were；instead位于句首或句末，作状语，引出与上文不同的内容。
3) previous adj.先前的；以往的；（时间上）稍前的
 No previous experience is necessary for this job.
这一工作无需相关的经验。
I couldn't believe it when I heard the news. I had only seen him the previous day.
听到这个消息时，我不敢相信；我就在前一天还见到过他。
知识拓展：previously adv. 先前的；早先
The building had previously been used as a hotel.
这座楼房早先曾用作旅馆。
6. Well-known for their expertise, his parents’ company, named “Future Tours” ,transported me safely into the future in a time capsule. 他父母的“Future  Tours”公司技能精湛，用时间太空舱安全地把我运送到未来。
1) Well-known for their expertise表原因，相当于一个原因状语从句，表示他父母的“Future  Tours”公司能够把我运送到未来的原因
2) named “Future Tours”是过去分词作定语，相当于定语从句that was named “Future Tours”
7. Hit by the lack of fresh air, … 缺乏新鲜空气我感觉受不了。
1) lack 用作名词表示：“缺乏；短缺”；用作动词表示：“缺乏；短缺；没有；不足”。
a lack of food /money/skills  缺乏食物/金钱/技能
做一做:
①The trip was cancelled through_________________.
因为缺乏兴趣这次旅行被取消了。
 lack of interest.
②He ___________________. 他缺乏信心。
lacks confidence.
知识拓展：lacking adj. 缺乏；没有；匮乏；不足      
2）surroundings n. [pl.] 环境；surround  v. 围绕；环绕；surrounding adj.周围的；附近的
Everyone likes to work in pleasant surroundings.
人人都喜欢在愉快的环境中工作。
8. Soon I was back on my feet again and following him to collect a hovering carriage driven by computer. 很快我又重新振作起来，跟随他领取了一部由电脑控制的气垫车.
1）back on one's feet 经受打击后重新站起来，再次恢复了健康
2）driven by computer在句中作定语,相当于 which was driven by computer；
过去分词短语作定语通常放在被修饰的词后面，相当于一个定语从句：
The suggestion made by the foreign expert was adopted by the manager.
外国专家所提出的建议被经理采纳了。
9. These hovering carriages float above the ground and by bending or pressing down in your seat.
1）by+ doing 用某种方式或手段, 如, They put out the fire by pouring water on it. 他们泼水扑灭了火；
2）bend 弯曲；使弯曲；弯腰；弯身；常用搭配有: bend one's mind/efforts to sth. 致力于某事；bend sb. to sth. 迫使；说服 bend the truth 歪曲事实
 It's hard to bend an iron bar.   把铁棒弄弯很不容易。
①She __________and kissed her daughter.
 她低下头吻了她的女儿。
 bent her head
②The road_______ sharply_______. 路向右急转弯。
 bent …to the right.
3) press v. 压；按；推；挤；坚持；敦促 n. 报章杂志，新闻工作者，新闻界
做一做:
①She ______  ____hard ____the gas pedal.
她用力踩下油门踏板。
pressed down…on
②_____ _____was/were not allowed to attend the trial(审判).庭审谢绝新闻采访。
The press
4）by后接动名词，常作状语，修饰谓语或某个动作，表示其行为的方式或手段。
做一做:
He made his boss pleased_________________________.
他改进了工作老板很高兴
by improving his work
10．However,  I lost sight of Wang Ping when we …王平不见了。
lose sight of 看不见, 忘记, 失去  其反义词组catch sight of sth/sb 看见某人/物
另外, at first sight 一见就；乍看起来 ； at (the) sight of 一看见就……; out of sight 看不见 ： Out of sight, out of mind. 眼不见,心不念。be in sight 看得见，在眼前 ；
做一做:
1）We___________________ several precious animals. 我们失去了很多的珍惜动物
have lost sight of
2）乍看起来，这个问题好像容易。________________________________
At first sight, the problem seems easy.
3）小岛仍然可以看的见。______________________________.
The small island is still in sight
4）一看见老师男孩就跑掉。 _________________________________.
At the sight of the teacher, the boy ran away.
11．He was swept up into the centre of them .他被卷入到这群车队当中去了，
sweep up打扫，横扫；涌向；快速地抱起
She was left to sweep up after the party.
聚会结束后她被留下来打扫。
做一做:
1) He __________________into his arms.
他一把将孩子抱进怀里。
 swept up the baby
2)In pushing to the train, the children ___________the crowds of people.
A. sweeping up into     B. swept up into
C. were swept up      D. were swept up into    
 D
12. Just at that moment I had a “time lag” flashback and saw the area again as it had been in the year AD 2008.就在那一时刻，我得了时间滞后症，在我脑海里，这个地方又闪回到公元2008年。
as it had been in the year AD 2008 是方式状语从句,修饰主句I saw the area again ;
as it had been 是由as it be变来的， as it be表示 “按照原状, 照旧, 像…”
The situation is as it was before.形势还是原来那样.
13. Then Wang Ping flashed a switch on a computer screen, and a table and chairs rose from under the floor as if by magic. 王平闪了一下电脑屏幕上的开关，于是一张桌子和几把椅子就像魔术般地从地面升了起来。

1）本句有两个句子并列，前两者之间用逗号隔开最后两者之间用and连接；

2) 此处as if 引导的是一个省略的方式状语从句，其完整句子是as if a table and chairs rose from under the floor by magic
4）switch 用作名词表示“开关；转换”。用作动词表示“转换，改变”。
She made the switch from full-time to part-time work when her first child was born.
第一个孩子出生后，她就由全日工作改为非全日工作.
Press these two keys to switch between documents on screen.
按这两个键就可以在屏幕上的文件之间切换。
I can't work next week, will you switch with me?
下个周末我不能上班，咱俩换个班好不好？
14. Exhausted, I slid into bed and fell fast asleep. 由于太累了，我倒在床上马上就睡着了.
exhausted表原因，相当于一个原因状语从句As I was exhausted；fell fast asleep 酣睡。fast或sound常与fall asleep 搭配表示睡的程度深.
做一做:
1) ___, the children ______ ______at once.
由于太累了，孩子们马上就睡着了。
Exhausted ,  fell asleep
2) 太激动了，这位老人一句话也说不出来。_______________________________________________________.
Too excited, the old man couldn’t say a word
15. speed (sth.) up 加速；加快
Cars speed up once they reach the highway.
 汽车一到高速公路就加速。
They have speeded up production.
他们加快了生产速度。