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1、Unit4 Space Exploration Section C Discovering Useful一、句型转换1.The salesman persuaded me to buy the red dress at last.The salesman me the red dress at last.2.He didnt take part in the activity because of his injured foot.He didnt take part in the activity his injured foot.3.The time is running out so w
2、e must take action.With the time ,we must take action.4.Luckily,the company provides us with facilities for teaching.Luckily,the company provides facilities for teaching .5.There is no doubt that the experiment is right.the experiment is right.二、阅读理解Specialists(专家) say it is not easy to get used to
3、life in a new culture.“Culture shock” is what these specialists use when talking about the feelings that people have in a new environment.The specialists say that there are three stages of culture shock.In the first stage,the newcomers like their new environment.Then,when the fresh experience dies,t
4、hey begin to hate the city,the country,the people,and everything else.In the last stage,the newcomers begin to get used to their surroundings and,as a result,enjoy their life more.There are some evident factors(因素) in culture shock.The weather may be unpleasant.The customs may be different.The publi
5、c service systemsthe telephones,post office,or transportationmay be difficult to work out.The simplest things seem to be big problems.The language may be difficult.Who feels culture shock?Everyone does in this way or that.But culture shock surprises most people.Very often the people having the worst
6、 culture shock are those who never had any difficulties in their own country.Coming to a new country,these people find they do not have the same positions they have back home.They find themselves without any identify.They have to build a new self-image.Culture shock gives rise to a feeling of helple
7、ssness.This feeling may be homesickness.When homesick,people feel like staying inside all the time.They want to protect themselves from the strange environment,and create an escape inside their room for a sense of security(安全).This escape does solve the problem of culture shock for the short time,bu
8、t it does nothing to make the person familiar with the culture.Getting to know the new environment and gaining experience are the long-term solutions to the problem of culture shock.1.When people move to a new country,they .A.will get used to their new surroundings with difficultyB.have well prepare
9、d for the new surroundingsC.will get used to the culture of the country quicklyD.will never be familiar with culture of the country2.According to the passage,factors that give rise to culture shock include all of the following EXCEPT .A.language communicationB.weather conditions and customsC.public
10、service systemsD.homesickness3.According to the passage,the more successful you are at home,.A.the fewer difficulties you may have abroadB.the more difficulties you may have abroadC.the more money you will earn abroadD.the less homesick you may feel abroad4.The writer tells us that the best way to o
11、vercome culture shock is to .A.protect ourselves from unfamiliar environmentB.develop a strange sense of self-protectionC.get familiar with new cultureD.return to our own country三、七选五阅读理解Every new person added to the planet needs food,water,clothes,and so on.1.Those things require extra natural reso
12、urces,including land and water.But Earths riches are limited.Less than 1 percent of Earths water can be used for drinking and washing.One out of every thirteen people around the world does not always have enough clean water.2.Too many people are using too much water,especially in the already dry are
13、as of the southwestern United States.Food shortages(不足)are even more common.Worldwide,one out of every seven people does not get enough to eat.3.Over time,the soil loses its nutrients(营养) and the farmland becomes useless for growing food.As the world becomes more crowded(拥挤的),more land is needed to
14、make way for growing cities.4.Thats a problem because trees help take in a gas called carbon dioxide.Humans produce carbon dioxide by burning coal and oil.Fewer trees mean more carbon dioxide in the atmosphere.The buildup of carbon dioxide traps heat and pollution above Earth.5,although every person
15、 uses the planets resources.The richest billion people,Americansespecially,use the most resources.They also produce the most waste.A.Forests are cleared awayB.Some people use a lot more than othersC.Water shortages have hit many parts of the worldD.Water pollution is a serious problem in some areasE
16、.More trees should be planted to handle air pollutionF.Huge needs for food force farmers to overuse their landG.More people mean more cars,roads,schools,hospitals,and stores四、语法填空We used to believe there were nine planets, 1._ now there are eight (Pluto is not a planet). Now we may have to change ho
17、w many continents there are. We 2._ (teach) there are sevenAsia, Africa, North and South America, Antarctica, Europe, and Australia. Geologists (地质学家) now say there is an 3._ (eight) continentZealandia. This is a big, 4._ (most) underwater landmass (大陆) in the Pacific Ocean. Six percent of it is 5._
18、 water and is New Zealand and New Caledonia. The rest 6._ (be) under the ocean. It is five million square kilometres, 7._ scientists say is big enough to be a continent.Geologists argue that the land does not have to be above water to be a continent. They say Zealandia is a continent because of four
19、 8._ (point): It is a lot higher than the area around it, it has special geology (地质状况), it is easy to see its shape, and it is 9._ (thick) than the ocean floor. It may take time for scientists 10._ (agree) there are eight continents.五、书面表达最近，你班同学就“太空是否值得探索”这一话题展开了一场讨论。请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况，并谈
20、谈自己的看法。30%的同学认为太空不值得探索。理由：1.离我们及我们的日常生活太遥远。2.浪费金钱。70%的同学认为太空值得探索。理由：1.已使用卫星进行通讯传播、天气预报。2.有望解决人口问题。注意：1词数80左右；2可适当增加细节，以使行文连贯。_一、句型转换1.argued;into buying2.as a result of 3.running out4.for us5.Beyond argument二、阅读理解1.A2.D3.B4.C三、七选五阅读理解1.G2.C3.F4.A5.B四、语法填空1but根据上文的nine与下文的eight可知，前后句之间为转折关系。故填but。2ar
21、e taught因为句子的主语We与动词teach之间为被动关系，故用被动语态，且该句描述的是客观事实，所以用一般现在时。因此该空填are taught。3eighth此处表示第八个洲。故填序数词eighth。4mostly此处用副词修饰形容词underwater。故填mostly。5above根据下文的under the ocean可知，此处应用above。6is此处指的是Zealandia的其余部分，是一个整体，谓语动词用单数形式。故填is。7which分析句子可知，设空处引导非限制性定语从句，先行词为It，指代Zealandia，关系词在从句中作主语。故填which。8points基数词
22、four后接可数名词的复数形式。9thicker根据下文的than可知，此处应用形容词比较级。10to agreeIt takes some time for sb.to do sth.意为“做某事花费某人多少时间”，故该空填to agree。五、书面表达Recently our class had a heated discussion on whether space is worth exploring. Students hold different ideas about it.30% of us think space exploration is not worthwhile,
23、holding the belief that space exploration is too far away from us and our daily life and is a waste of money.However, 70% think space is worth exploring because we have benefited a lot from it, such as using satellites for communication and weather forecast. Whats more, with further space research, we may solve the population problem by moving to other planets one day.As far as I am concerned, it is worthwhile to explore the space. Not only can it promote the development of society but also enrich our life.第11页（共11页）