Unit 5 （I）
二. 单元 重点词汇
1. flight n. 飞行；逃走；飞越；飞机的航程；班机；追逐
The enemy are in the flight. 敌人正在逃跑。
The flight was quite smooth. We had a very pleasant journey.
飞行很顺利。我们的旅途十分愉快。
They made a successful flight across the ocean. 他们成功飞越大洋。
2. puzzle n.难题；谜；（使）迷惑；（使）为难；迷惑不解
puzzle常用作及物动词，表示“使人对……感到疑惑不解”；puzzling常表示事情的性质与特征，“使迷惑的，使莫名其妙的”；puzzled意为“感到莫名其妙的”。
The murder case continued to puzzle the police. 警方依然对凶杀案感到疑惑不解。
I felt puzzled and upset. What on earth did he want with me?
我感到不解和不安。他究竟要我干什么?
With a school record like yours I'm puzzled why you didn't try for a university scholarship.
以你这样的成绩，我很纳闷你为何没有努力争取大学奖学金。
His face wore a puzzled expression. 他的脸上露出一副疑惑的表情。
I find this affair very puzzling. 我觉得这事莫名其妙。
3. average n平均；平均水平；平均数。adj. 一般的；通常的；vt.平均为；均分；使平衡；达到平均水平
The average of 3 and l0 and 5 is 6.
3，10和5的平均值为6。
He is about average in his lessons. 他的功课在班上属于中等水平。
He smokes twenty cigarettes a day on an average. 他平均每天吸20支烟。
On an／the average there are twenty boys in every class.
每班平均有20个男生。
The average age of the boys in this class is 16.
这个班男生的平均年龄为16岁。
The cost of my lunches averaged one dollar a day.
我的午饭平均每天花费1美元。
4. aware adj.知道的；明白的；意识到的
①与of引起的短语连用表示“意识到、察觉到”。如：
She was aware of the fact，but she could not face it yet. 她意识到这一事实，但是还不能正视它。
②跟that从句。如：
Everyone was aware that they were in danger. 大家都意识到他们处境危险。
③与连接副词how连用。如：
I was too sleepy to be aware how cold it was. 我太困了，察觉不到天有多冷。
5. base n. 底部；基础；根据地；基地；本部；基数；（运动）出发点vt. 以……作基础；基于……常与介词on连用。如：
I base my hope on the news we had yesterday. 我把希望建立在昨天所听到的信息上。
Thisnovel is based on the historical facts. 这本小说以历史事实为依据。
Marx went to England and made London the base of his revolutionary work.
马克思来到英国，把伦敦作为他从事革命工作的根据地。
6. character n. （事物的（特性；性质；特征（的总和）；（人的）品质；字符；性格；特征；人物
vt. 写；刻；印；使具有特征
What does her handwriting tell you about her character?
通过她写的字，你看出了她什么性格?
I don't like the character of the desert landscape.我不喜欢沙漠风光。
Mickey Mouse and Donald are both main characters of a Disney cartoon TV series. 米老鼠和唐?老鸭都是一部迪斯尼动画片的主要角色。
7. power n. 能力；力量；动力；权力
power可指能力、权力、体力、智力、操纵力、控制力、影响力、风力、水动力、核动力、电力等等。
I'll do everything in my power to help you. 我将尽我所能帮助你。
His power is failing. That is to say he is becoming weak.
他的体力在下降，或者说他正在变得虚弱。
This government came into power at the last election.
这届政府在最后的选举中上台执政。
The United States and Russia are world powers in international affairs.
在国际事务中，美国和俄罗斯是世界大国。
8. regular adj. 有规则的；有秩序的；经常的；合格的；定期的
regular breathing均匀的呼吸，a regular heart beat正常的心跳，regular teeth整齐的牙齿
a regular customer老主顾、常客，a regular offender惯犯，a regular soldier正规士兵
9. scene n. 现场，场面；情景，景色；发生地点；（戏剧）一场；布景，道具布置
We came to the scene of the accident at once. 我们立刻赶到事故现场。
It reminded us of the miserable scene of the big earthquake.
这使我们想起了那场大地震的悲惨一幕。
We will go abroad for a change of scene. 我们将出国旅行换换风景。
Such are the lines of the Act 1，Scene 2 of Hamlet. 这是《哈姆雷特》第二场第一幕中的台词。
10. host n. 主人，东道主；旅馆老板；（广播，电视的）节目主持人
vt .（作……主人或东道主），主办，主持；以主人身份招待
We are proud to get the chance to host the 2008 Olympic Games. 我们为有机会做2008奥运会的东道主感到自豪。
Yesterday we were hosts to a few friends. 昨天我们招待了几位朋友。
We attended a dinner party hosted by the president of the company.我们参加了由公司总裁举行的聚餐会。
重要句型：
1. Know its root and you will understand its origin.(P. 57)了解了它的词根你就明白了它的词源。
祈使句+ and／or…句型相当于一个包含有条件状语的复合句。and前面的肯定祈使句相当于一个肯定的条件句，or前面的肯定祈使句相当于一个否定的条件句，or前面的否定祈使句相当于一个肯定的条件句；前面的祈使句有时可以是一个短语；or有时可用otherwise代替。如：
Work hard, and you will be admitted to a key university.
=If you work hard，you will be admitted to a key university.
努力吧，你会进入重点大学。
A bit more efforts，and the problems could be settled.
=If you make a bit more efforts，the problems could be settled.
再加把劲，问题就解决了。
Come on time, or you won't see her.
=If you don't come on time，you won't see her.
准时来，要不你见不到她。
Don’t have the machine running all the time, otherwise it will be out of order.
=If you have the machine running all the time ,it will be out of order.
别让机器转个不停，要不它会坏掉的。
2. As with any good detective arriving on the crime scene, the first thing to do when meeting a new and difficult word is to assess the situation, to look at everything that is known and see if it helps us to understand its meaning. (P. 57)
如同任何一个来到犯罪现场的出色侦探，在遇到一个生僻词时首先要做的就是依据语境来判断哪些是已知，并且琢磨是否可以借助已知来推测生僻词的意思。
as with表示“正如……一样”，是as it is the same with 的省略形式。如：
As with drawing a picture, you should be patient and careful in doing that job.
正如同画画一样，在做工作时应该既要有耐心，又要认真。
As with other mental disorders, the most important part of treatment is to first identify the problem.
正如其他心理失调一样，治疗的最重要方面就是首先确定问题所在。
3. You usually find old and wise people sitting in the Senate.(P. 58)
你通常发现上了年纪的智者是参议院的议员。
find…doing…表示“发现……在做……”，doing…作宾语补足语。能用于这一句型中的谓语动词除了find外还有feel，see，hear，notice，watch，keep，get，have等。如：
Jefferson also found his memory failing.
杰斐逊也发现他的记忆力不行了。
Don’t you feel the wind coming from the southeast?
难道你没感觉出这是东南风吗?
The lack of money keeps him working day and night.
缺钱使他夜以继日地工作。
How can I get the car starting? 我如何才能让这辆车启动呢?
流行英语
1. He is a walking encyclopedia. 他是一本活百科全书。
walking修饰物，表示具有一定能力和素质的人。译为：活的，能行走的。如：
He lives like a walking skeleton. 他活得就像行尸走肉。
Our English teacher is a walking dictionary.我们的英语老师是一本活字典。
2. He is all wrapped up in “me”. 他被完全包裹在自我之中。
be wrapped in… 表示完全处于某种境况之中，常含有因此而不顾及其他之意。如：
She is wrapped up in her studies. 她埋头苦读。
He sat by the fire place wrapped up in his thoughts. 他坐在壁炉旁沉思。
3. If a person is egocentric, his thoughts might go something like this: I think only about me , I am an egocentric person. 如果一个人是以自我为中心的，他的思想多少会是这样的：我只考虑自己，我以自己为中心。
something like this 在这个短语something表示：或多或少，有点儿……。如：
She looks something like her mother. 她长得有点像她的妈妈。
I became something impatient.我开始有些不耐心了。
4. One thing is for sure，there would be thousands of new words for him to learn. 有一点可以肯定，他需要学数以千计的词汇。
One thing is for sure. 有一点可以肯定。如：
Students may learn English in different ways. But one thing is for sure，all of them need to build a large vocabulary.学生可以以多种方式学习英语，但有一点是肯定的，不论哪一种方法都必须掌握大量词汇。
either，neither，both，all, each，every，none等不定代词的用法
1. all和both的用法
all和both相对应。all表示三者或三者以上；both表示两者。
all可以用作代词、形容词或副词，用作代词时可用作单数，也可作复数。
all表示“每件事物，一切(everything)”，作主语时，谓语动词用单数形式。如：
All that glitters is not gold. 闪光的不都是金子。
All’s well that ends well.结局好，一切好。
all在表示“所有的人”，并作主语时，谓语动词用复数形式。如：
All are present. Let’ s begin. 大家都到齐了，咱们开始吧!
All are welcome.欢迎大家。
形容词的all表示三者或三者以上“都，全部”，后接不可数名词或可数名词复数形式。如：
All roads lead to Rome.条条大道通罗马。
All the oil has run out.所有的油全都用光了。
both与all一样，可用作代词、形容词或副词，但both只用于两个人或两件事物，只用在复数名词前，而且必须后接复数形式的动词，意思是“两者都”。
Both her children go to the same school.
她的两个孩子在同一个学校读书。
The twins are both good at singing pop songs.
这对双胞胎流行歌曲唱得都很好。
2. none和neither的用法
none和neither相对应。前者“表示三者或三者以上的人或事都不”；而后者表示“两者都不”。
none意思是“都不，一个也没有”，可以用来代替人或物，在句中可以作主语、宾语，可以和of搭配；作主语时，谓语动词可以用单数或复数；用于回答以 “How many” “How much”开头的特殊疑问句。
None have／has arrived. 还没有人到来。（作主语，指人）
None has been found. 什么也没有找到。（作主语，指物）
I wanted some more orange juice，but there was none (of the orange juice) left.
我想再喝点橘汁，可是一点儿没有了。
None of us is perfect; we all make mistakes.
人无完人；我们都会犯错误。
—How many students have finished reading the book?多少同学看完了这本书?
—None. 一个也没有。
neither用于表示“两者都不”，可代替人或物，在句中可以作主语、宾语及定语，可以和of搭配；作主语时，谓语动词常用单数也可用复数。如：
Neither book is satisfactory. 两本书都令人不满意。
He took neither side in the quarrel.在争吵中他不参加任何一方。
Which of the books did you like ? Neither (of them)!
They were both dull.你喜欢哪本书?都不喜欢!两本都很枯燥。
Neither of the two boys has passed the geography examination.
两个男孩子没有一个地理考试及格。
Neither of my parents is / are a doctor.我的父母都不是医生。