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1、精品文档 精心整理精品文档 可编辑的精品文档Unit 4Space explorationReading for Writing, Assessing Your Progress &Video Time基础知识过关.单词拼写1.Doctors watched the old mans heartbeat on a(监视器).2.There was a shortage of (氧气)at the top of the mountain.3.For developing countries, growth in output has followed a similar (模式). 4.Many
2、 couples today will not have a child until they have enough financial(资源;财力)for the childs upkeep and education.选词填空run out;result in;provide for;be supposed to1.Anyone who finishes the task first win the prize. 2.Conditions are getting worse and supplies are.3.Elaine wouldnt let him her, claiming t
3、hat she was old enough to be independent. 4.Research has shown that having a preference for junk food can obesity(肥胖). .单句语法填空1.Families are limited four free tickets each to enter the amusement park.2.We make decisions based on facts and many(analysis) of these aspects.3.Dont you think the universe
4、 is very(mystery)?There are many unknown things out there.4.We meet (regular), once a month, to exchange ideas about the newly-read books.5.Debaters use quotations and scientific research data, trying to make all their(argue) more convincing. 6.So I appeal to companies to attach more importance abil
5、ity and interview college students who are competent but lack certificates.完成句子1.如果你想取得进步,弄清楚考试不及格的原因是很重要的。If you want to make progress, it is the reason why you fail the exam.2.和他争论这个问题是没有用的,因为他不会改变主意。Its no use the question, for he wont change his mind.3.那个正在洗盘子的妇女是我的姑姑。The woman is my aunt.课文语法填空
6、Countries around the globe are spending billions of dollars and lots of time on various space missions, whether to Mars 1 other planets much further away.Firstly,2 (explore) space has already made a difference in the fight against world hunger. A number of the satellites record data on land and weat
7、her patterns.As 3 result, space-based science has helped farming in its efforts to grow enough food4(feed)Earths increasing population. Secondly, space exploration has already promoted technological5(improve) that benefit us all.High-end products around the world 6(make)to a higher standard now beca
8、use of advanced technology 7 was first created to meet the requirements for space exploration.8(final), sending astronauts into space has helped people to think about the worlds problems and even to find ways to solve them. Seeing pictures of our planet as an island in a black sea made people realis
9、e that our planets resources are 9(limit). The greatest attention at present is on Mars because it is closer to Earth. In the future,humans may live on both planets. 10 closing, exploring space provides the world with many different benefits. Therefore, it should continue so as to provide new and be
10、tter solutions to peoples short-term and long-term problems. 1. 2. 3. 4. 5.6. 7. 8. 9. 10.能力提升训练.阅读理解Does it make sense for countries to invest billions of dollars in space programs when millions of people in their country are living below the poverty line? Many people ask this question and Im almos
11、t tired of answering it.Lets talk about Duchenne Muscular Dystrophy (DMD) first. This is a terrible disease in which the victims progressively lose the ability to control their body. It affects almost only boys and shows itself when the boys are around age 5.Theyre wheelchair-bound by age 12 and wil
12、l be dead before their 30th birthday. There is no cure. However, there are treatments. Theyre based on crystalline (晶状的) protein structures, whose formation is adversely (不利地)affected by the presence of Earths constant unidirectional (单一方向的) gravitational field. However, according to a study conduct
13、ed by the Japan Aerospace Exploration Agency (JAXA) on the International Space Station (ISS), crystalline protein structures form regularly in microgravity(微重力) conditions, which allows for targeted drugs designed to “double these boys lifespans (寿命)”.And you want to talk about feeding the hungry? W
14、e have space lettuces(生菜).And its structurally and nutritionally equivalent to the lettuces on earth. Space is pretty much everything there is, which means you can make a lot of lettuces in space. In fact, one of the potential growth markets in lunar colonization(月球殖民)is food trade. Food can be mass
15、-produced and sent to Earth to feed the hungry. By the way,as far as I am concerned,as for feeding the hungry, food distribution is the issue rather than the food supply.Space exploration is one of the best things that humanity has ever done.1.What do people want to know by asking the question in Pa
16、ragraph 1?A.Whether there is a cure for DMD.B.How many people live below the poverty line.C.How much money is spent on space programs.D.Whether space programs benefit people on Earth.2.What can be learned about DMD?A.It seems to spare girls.B.Its cure lies in the ISS.C.It gets serious in microgravit
17、y conditions.D.Its patients need wheelchairs in their entire life.3.What is the authors attitude to growing food in space?A.Doubtful.B.Positive.C.Disapproving.D.Uncaring.4.The text is most probably taken from a .A.website to buy and sell the newest space productsB.website to ask questions and get qu
18、ality answersC.legal documentD.science fiction book.七选五Gardening 380 Kilometers above Earth Astronauts have to go through physical, psychological, and technical training. They also go through training in how to care for plants. These “astronaut gardeners” share their work and living space with plant
19、s.Taking seeds and plants along on a trip isnt a new idea. As space trips become longer, it will be necessary to grow food in space. 1 Because of this, its not practical to send everything needed for a long journey, only to be used once and thrown away.Plants can serve many uses on a space journey.
20、They can provide more fresh things. 2 Also, plants can help to make air quality better because they produce oxygen. They can improve the quality of the air inside the spacecraftthe only air the astronauts can breathe.3 Due to the lack of gravity in space, the oxygen that the plants produce stays aro
21、und the plants. This can actually kill them, so fans are needed to circulate the air. Without gravity, roots dont “know” how to grow down, leaves dont “know” how to grow up, and water doesnt easily travel up the roots to the leaves. 4 Besides, soil is too heavy to send to space, and special liquid g
22、els (胶滞体) are used to help plants grow.Scientists are also working on the plants themselves. They are trying to make plants grow more rapidly and grow with less water and light in space, and they are looking for ways to make plants more resistant to disease. 5 Imagine that deserts may one day provid
23、e lots of fresh food for local people, saving transportation costs. Similarly, plants that are resistant to disease could provide an important food supply. With the worlds population now at more than seven billion (十亿) people, our astronaut gardeners may help discover ways to feed those billions.A.E
24、very plant grown in space must have several uses.B.However, there are challenges with growing plants in space.C.Such methods may result in improvements back here on Earth.D.The cost of taking anything into space is about $22,000 per kilogram.E.Specialized containers are being developed to help the p
25、lants grow correctly.F.Astronauts will welcome the addition of fruit and vegetables to their diet of dry foods.G.Currently all oxygen is taken aboard in tanks and then caught again so it can be reused.1. 2. 3. 4. 5.读后续写(2021河北唐山高三一模)阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。Its quite impressive to see Ca
26、nada geese flying into the clouds. They live to be around 25 years old and are very loyal. They never forget their first home.No one knows this more than my family.In 2000, when I was seven, my parents and I came back from a T-ball game one late spring afternoon. To our surprise, two adult geese and
27、 a baby goose were in our driveway(私人车道).The adults were shocked by us and flew away, but their baby was too young to fly and couldnt follow.We are no strangers to the ways of wildlife, so we knew to avoid contact with the baby, hoping he could join his parents.Hours passed, and night fell. The tiny
28、 little thing was wandering around our yard, unaware of what could happen.It was clear that the baby needed protection, warmth, and food to make it to the morning, so we brought him onto our back porch and set up a wire fence to enclose and protect him.We all pretty much slept with one eye open till
29、 morning. And then another morning. And another. Each day, we tried eagerly to get the baby back to his parents, who kept coming to our yard. He wouldnt go to them.The baby goose had clearly decided we were his new family and we gave him a namePeeper, because he would follow us around the yard makin
30、g a peep(唧唧叫), nonstop.Days turned into weeks, and weeks turned into months, until almost a year passed.Peeper slept on our back porch in typical goose fashion. Every day, my dad would clear his droppings with water and throw him up into the air, so he could fly in a loop around the house, coming ba
31、ck again once the porch was clean.注意:读写词数应为150左右。Paragraph 1:One evening, my uncle came, and my dad wanted to show him Peepers loop. Paragraph 2:It came as a shock 20 years later when an aging adult goose made his way back to my yard. 参考答案与解析基础知识过关.1.monitor2.oxygen3.pattern4.resources.1.is supposed
32、 to2.running vide for4.result in.1.to考查固定搭配。句意:每户限发四张免费票进入这个游乐园。limit.to.把限量在。故填to。2.analyses考查名词单复数。句意:我们根据事实和对这些方面的许多分析作出决定。由设空处前面的many可知此处应用复数名词analyses。3.mysterious考查形容词。句意:你不觉得宇宙是非常神秘的吗?那里有很多未知的事物。设空处作表语,应用形容词mysterious。4.regularly考查副词。句意:我们定期开会,每月一次,就新读的书交换看法。设空处修饰动词meet,应用副词。故填regular
33、ly。5.arguments考查名词及其单复数。句意:辩论者使用引文和科学研究数据,试图使他们所有的论点更有说服力。设空处作make的宾语,且根据空前面的all their可知所填词应该是复数名词,故填arguments。6.to考查介词。句意:因此,我呼吁公司更加重视能力,面试有能力但缺少证书的大学生。attach importance to.重视。故填to。.1.important to figure out2.arguing with him about3.washing the dishes.1.or考查连词。whether.or.无论还是。2.exploring考查动名词。分析该句结
34、构可知此处为动名词短语作主语,设空处应用动名词形式。3.a考查固定搭配。as a result结果是。4.to feed考查动词不定式。此处应该用不定式作目的状语,表示grow enough food的目的。5.improvements考查名词及其复数形式。所填词作及物动词promoted的宾语,因此应该是名词,再根据其后的定语从句中的谓语动词benefit可知,该名词应该用复数形式。6.are made考查动词的时态、语态和主谓一致。主语products与make之间是被动关系,因此应该用被动语态,再结合全文时态可知,此处应该用一般现在时,且主语为复数形式,故填are made。7.that
35、/which考查定语从句。设空处引导定语从句,先行词为advanced technology,关系词在从句中作主语,因此应该填that或which。8.Finally考查副词。此处应用副词修饰整个句子。故填Finally。9.limited考查形容词。此处指我们地球的资源是有限的。故填形容词limited。10.In考查介词。in closing最后。故填In。能力提升训练.语篇解读本文是一篇议论文。文章就“当数以百万计的人生活在贫困线以下时,国家在太空计划上投资数十亿美元是否有意义”这个问题给出了解释,肯定了太空探索的意义。1.D细节理解题。根据第一段中的“Does it make sens
36、e.when millions of people in their country are living below the poverty line?(当数以百万计的人生活在贫困线以下时,国家在太空计划上投资数十亿美元是否有意义?)”可知,人们问这个问题是想知道太空计划是否有益于地球上的人们。故选D。2.A推理判断题。根据第二段中的“It affects almost only boys (它几乎只影响男孩)”可知女孩似乎不会得这种病。故选A。由第二段中的However,according to a study conducted by the Japan Aerospace Explor
37、ation Agency (JAXA) on the International Space Station (ISS).which allows for targeted drugs 可知晶体蛋白的形成是关键,而非ISS,排除B项;还是由第二段中的crystalline protein structures form regularly in microgravity(微重力) conditions, which allows for targeted drugs可知在微重力条件下,这种病并不会变得严重,排除C项;由第二段中的“Theyre wheelchair-bound by age 1
38、2”可知,D项错误。3.B推理判断题。根据第三段中的“And you want to talk about feeding the hungry.which means you can make a lot of lettuces in space.(你想谈谈喂养饥饿的人吗?我们有太空生菜,它的结构和营养相当于地球上的生菜。太空里几乎什么都有,这意味着你可以在太空制造很多生菜。)”可知作者对在太空中种植食物的态度是赞同的,故选B。4.B推理判断题。根据第一段可知许多人提出一个问题,作者几乎厌倦了回答;第二段就杜氏肌肉营养不良症做出解释,第三段就为饥饿者提供食物做出解释,第四段是一个简短的总结,
39、同时也是作者对于第一段提到的问题给出的一个答案。所以该篇文章是摘自一个问问题和给出优质答案的网站。故选B。.语篇解读本文是一篇说明文。文章主要介绍了宇航员在太空种植植物的原因和好处以及种植方法。1.D根据空后“Because of this, its not practical to send everything needed for a long journey, only to be used once and thrown away.”可知,把长途旅行所需要的东西都送出去,只用一次就扔掉是不现实的。此处应介绍空后一句的原因,故D项“将任何物体带入太空的成本约为每公斤22,000美元。”
40、符合语境。2.F根据空前一句可知植物可以为宇航员提供新鲜的东西。根据空后一句可知,植物可以帮助改善空气质量,因为它们可以产生氧气。据此可知,空处应是介绍在太空种植植物的好处,且承接上文,即宇航员将欢迎在他们的干粮中加入水果和蔬菜,故选F。3.B上文介绍了太空种植的好处,即为宇航员提供新鲜的果蔬、改善太空站的空气质量等,结合下文可知,在太空种植果蔬有一定的困难,据此可知,空处承上启下,与上文形成转折关系,故B项“然而,在太空种植植物也有挑战。”符合语境。4.E根据上文可知,在失重的情况下,植物的根和叶不知道如何生长,水分也不容易从根部传到叶子上;而空后一句介绍了解决土壤问题的办法;据此可推知,空处应是介绍解决上述问
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