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It will be impossible to lose the key； and a housebreaker will have to tamper（拨弄） with the lock or with a window。 It is not very difficult to make such tampering send a signal to the computer。
The computer will be more than a fireman； policeman； and servant。 It will be an entertainer； and most of your entertainment（娱乐） will come right into your home。 It does now； of course； but by 2040 “entertainment” will mean much more。 For one thing； you will be able to take part actively； rather than just watching。
41。What does the underlined word “sensor”（in the first paragraph）mean？
A。 定位器 B。 遥控器 C。 安全装置 D。 传感器
42。Which of the following statements is NOT true？
A。 You can be taken for an intruder if you tamper with the lock or with a window。
B。 The sensor will detect fire and make an emergency call（紧急电话）。
C。 Without a computer； the sensor cannot do much。
D。 The sensor is of various functions。
43。According to the author； in 2040； new technology 。
A。 will turn everything into sensors B。 will free us from the keys we use today
C。 will make the locks out of date D。 will get rid of all crimes
44。Thanks to computers； in 2040 people 。
A。 will have no entertainment outside B。 will replace TV with computers
C。 will be controlled by computers D。 will have more fun at home
45。The best title for the passage might be 。
A。 Life at Home in the Year 2040 B。 Sensors and Computers
C。 The Development of Science and Technology D。 Lights and Heaters in the Year 2040
四、短文改错（共10小题，每小题1分，满分10分）
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
Dear Ralph；
I’m a newcomer here of a small town。 I would 46。
describe myself as shy and quietly。 Before my classmates； 47。
it seems always difficult for me to do things well as 48。
them。 I’m sure they will laugh to me and see me as 49。
a fool。 So I feel unhappy every day。 50。
Besides； I have few friends。 I don’t know that they 51。
don’t like to talk with me。 Sometimes； we talked to each other 52。
very well in class； but after class we become stranger at 53。
once。 I am trying to improve the situation since it doesn’t 54。
seem to work。 Can you tell me about what I should do？ 55。
Yours；
Xiao Wei
五、开放作文（满分25分）
请根据下面提示，写一篇短文。词数不少于50。（2004年高考北京卷）
Xiao Ming tells you that he had 100 yuan yesterday morning； which he put into the pocket of his jacket。 He spent 40 yuan yesterday afternoon。 But now when he reaches into the pocket of his jacket； he finds only 10 yuan。
He is wondering what has happened to the rest of the money。 As his friend； you suggest to him three or four different possibilities concerning the missing money。
Unit 13 The water planet重点、难点、考点精析
1。Cover a glass of water with a piece of thick paper。（WARMING UP）用一张厚纸盖在一杯水上。
cover的用法
①cover用作可数名词，意为“封面”或“盖子”。
The book needs a new cover。这本书需要装个新封面。
What’s on the front cover？封面上有什么内容？
②cover用作及物动词，意为“盖”、“铺”或“遮掩”，后跟名词或代词作宾语，其过去分词常用作表语，用于be covered with/by结构，表示“被……覆盖”。
Mother covered the table with a cloth。妈妈在桌子上铺了块台布。
The road was covered with mu D。 路上尽是泥。
2。Put one hand on the paper and turn the glass upside down。（WARMING UP）把一只手放在纸上，然后把玻璃杯翻转。
句中upside down是固定短语，常与动词turn构成动词短语。
①表示“颠倒”、“倒置”或“倒转”。
Be careful not to turn the table upside down。当心别把桌子弄翻了。
②表示“混乱”或“乱七八糟”。
They turned everything in the room upside down and ran away。他们把室内的一切弄得乱七八糟然后一跑了之。
3。Work with a partner and see if you can come up with a good； scary story like the one about the mariner。（LISTENING）你与搭档一起看是否能找到像关于这个水手那样的好的恐怖故事。
come up with属于“动词＋副词＋介词”结构，主要有两个用法：
①表示“追及”或“赶上”，相当于catch up with。
The girls are coming up with the boys。姑娘们快追上男孩们了。
He has made up his mind to come up with his classmates。他已下定决心，要赶上他的同学。
The boy ran so fast that he soon came up with his father。那个男孩跑得很快，不一会儿就赶上了他的父亲。
②表示“提出”、“提供”、“产生”或“发现（解决办法、答案等）”，等于produce。
He scratched his head and knitted his brows； but could not come up with a good plan。他搔搔头，皱皱眉，但还是想不出一个好办法。
4。Marine life is incredibly rich and varie D。 （READING）海洋中的生物极其丰富多彩。
varied的用法
varied是形容词，含义丰富，意为“各种各样的”、“多变化的”、“不相同的”、“改变了的”、“杂色的”或“斑驳的”。
Almost no one knows his varied life。几乎没有人知道他多变的经历。
Varied opinions made him hard to make a decision。各种不同的意见使得他难于做出决定。
5。What is it that makes the ocean such a great place to live？（READING）是什么使海洋成为这样一个伟大的居住地？
本句是强调句型。英语中强调的方法很多，大致可以分为四类：
①It is/was＋被强调部分＋that/who/whom ＋其余部分。这种句型可用来强调谓语动词以外的任何句子成分。
A。 强调主语
It was she who had been wrong。错的是她。
Was it you that broke the window？ 是你打破窗户的吗？
But here It’s my word that counts。但是在这里是我的话算数。
B。 强调宾语或介宾
It was the President that Jean shot yesterday。Jean昨天枪击的是总统。
It was to me that she gave the money。她那钱是给我的。
C。 强调状语
It was on Monday night that all this happened。 这一切是发生在星期一晚上。
It was in Beijing that he lived ten years ago。他十年前是住在北京的。
It was because he was ill that he didn’t go to school。
他是因病而没来上学的。
It was in a different way that they played the game。他们比赛的方式是不同的。
It was not until 11 o’clock last night that my father returned。 我父亲昨夜直到11点才回来。
②用倒装句或其他改变句子结构的方法。
For fours years the couple worked in the shed； weighing； calculating； or measuring。
整整4年，这对夫妇在这个工棚里秤啊，算啊，量啊。（状语前置）
Away went his hat with the wind。 他的帽子被风刮走了。（倒装）
③使用一些加重语气的词语。
Arthur is my friend indeed。 亚瑟确实是我的朋友。
The little boy is exactly like his father。 那个小男孩长得确实像他父亲。
What on earth did you do with my car？你把我的车到底弄到哪里去了？
④用动词do的各种形式来强调动词。
Do be quiet。 务必保持安静。
I did go to the store but I didn’t see him。 我确实去了那个店，但我没看见他。
Edgar does like football。 埃德加确实喜欢足球。
6。The chemical structure of water makes it an excellent medium for life。（READING）水的化学结构使它成为生命的最佳媒介。
（1）句中it是人称代词，指代water，而不是代指the chemical structure of water。
—Where is the cat？ 猫在哪里？
—It is in the garden。在花园里。
Where is my book？ I cannot find it。我的书在什么地方？我找不着。
（2）medium的用法
①medium是可数名词，复数形式为mediums或media＇mi：d＇，意为“媒体”或“媒介”。
Newspapers and magazines are important media for advertising。报纸和杂志为广告的重要媒体。
②medium也可以用作形容词，意为“中间的”或“中等的”。
The boy is of medium height for his age。这男孩的身高在他这个年龄中算中等。
7。The water molecule is made up of two hydrogen atoms and one oxygen atom。（READING）水分子是由两个氢原子和一个氧原子组成。
be made up of的用法
be made up of意为“由……组成”或“由……构成”。
Our class is made up of 50 students。 我们班级由50名学生组成。
The medical team is made up of 5 doctors and 8 nurses。 医疗队由五位医生和八位护士构成。
8。The chemical structure of water also makes it different from almost all other substances on earth。（READING）水的化学结构也使它与几乎所有地球上其它的物质不同。
make作使役动词的用法
①表示“使……”或“让……”时，可跟含不带to的不定式、含动词…ing形式或过去分词的复合宾语。
What makes you think so？ 是什么使你这么想呢？
He made himself heard across the room。他使整个房间都能听到他的声音。
9。The nutrients in whatever falls into the ocean will quickly become available to other living creatures。（READING）任何物质进入海洋它的营养很快就被其它生物利用。
available的用法
①available是形容词，意为“可用的”、“可得到的”、“可达到的”等，一般指事物。
The numbers of the machine parts are not available。这些机器零件的号码找不到了。
The book you ordered is not available。你订购的那本书没有货。
All available means have been trie D。 所有的办法都用尽了。
10。When dissolved gases and solids mix with pure water； the result is sea water； or salt water。（READING）当气体与固体的混合物与纯净的水混合后，结果生成海水或咸水。
mix的用法
mix意为“混合”、“搀和”或“搅合”，可用作及物动词或不及物动词。用作及物动词时，后跟名词、代词或双宾语。
You can’t mix oil with water。你不能把油和水混在一起。
Oil and water will not mix。油和水不相溶。
11。Even though the pure water is what gives sea water its main properties； the salinity of sea water affects both its weight and freezing point。（READING）尽管纯净水是构成海水的主要物质，但是它的重量和冰点都受到海水的高含盐量的影响。
even though意为“即使”，也可以说even if，引导让步状语从句，既可用陈述语气，也可用虚拟语气。
She won’t leave the TV set； even though her husband is waiting for his supper。 即使她丈夫在等着吃晚饭，她也不愿离开电视机。
Even if the doctor had operated on him at once； he could not have been save D。 即使医生及时给他做了手术，他也不可能获救。
12。Marine organisms take advantage of the density of water。（READING）海洋生物利用水的密度。
advantage的用法
①advantage表示“优点”时，是可数名词，不可受much修饰；表示“利益”或“有利条件”，有时可用作不可数名词。
It has more advantages than disadvantages。此事利多弊少。
He thinks of nothing but his own advantage。除了自己的利益他什么也不考虑。
②表示“比……有利”时，advantage要与over短语搭配。
She has an advantage over me。她处于比我有利的地位。
13。Water can absorb and release a lot of heat without big changes in its temperature； thus creating a stable environment。（READING）水可以吸收和释放大量的热量而不会引起温度的巨大变化，从而形成稳定的环境。
without的用法
①without是介词，意为“无”、“没有”、“不”、“在……外面”等，后跟名词、代词或动词…ing，表示位置、状况、条件、假设、纯粹的否定等。
She is a girl without selfish ideas。她是位毫无私心的姑娘。
He went out without saying goodbye。他不辞而别。
For three days he worked without taking any rest。他不停息地一连干了三天。
②without是否定介词，与cannot，never，no，not等否定词语搭配，往往表示肯定意义。
He cannot take his meal without wine。他每餐必饮酒。
They never meet without quarrelling。他们一见面就吵架。
No one can read the story without being moved to tears。谁读这故事都要感动得流�