1、UNIT 4 Period Two题组A基础练(建议用时：15分钟)单句语法填空1We are determined _ (get) the work done before New Years Day.2His new book _ (launch) last month with an initial print run of 7,000 copies.3It is wellknown that the moon _ (orbit) around the earth.4In any event, we should carry on _ (do) our research.5He felt
2、 _ (disappoint) at the result but he tried to put on a brave face.6She is tired of the busy city life and desires _ (go) back to the countryside.7When all passengers were _ board, the train pulled out of the station.8We came to this small town in the hope _ living a simple life.9My teacher always st
3、resses the importance of thinking _ (independent)10One should learn from past mistakes so as _ (avoid) falling into the same old trap again.【答案】1to get2was launched3orbits4doing5disappointed6to go7on8of9independently10to avoid完成句子1Even though she passed away, her daughter, Lorraine, _ _ her dream.尽管
4、她已经不在了，她的女儿，洛克正在继续她的梦想。【答案】carried on2He didnt get the job._ _ _ he was late for the interview.他没有得到那份工作，那是因为他面试迟到了。【答案】That was because3“We spent the last two nights _ _ getting drunk with the crew，” he explains.“最后两个夜晚，我们和甲板上的船员们喝得酩酊大醉，”他解释说。【答案】on board4They moved to Beijing _ _ _ _getting better
5、 treatment.他们之后搬到了北京，希望能让他在那里得到更好的治疗。【答案】in the hope of5We arrived early at the theatre _ _ _ occupy the front seats.我们早早来到剧院，以便捷足先登占到前排座位。【答案】so as to微写作人们一直梦想着探索太空(explore space)，然而一些人认为到太空旅行(travelling into space)是不可能的。经过多次的实验之后， 苏联(the USSR)在1957年成功地发射了第一颗卫星(launch the first satellite)。尤里加加林(Yur
6、i Gagarin)在1961年成为第一个登上太空的人(the first person to go into space)。因此(as a result)，人类探索太空的梦想得以实现。_【答案】One possible version：People have always dreamed of exploring space.However, some people thought travelling into space was impossible.After many experiments, the USSR succeeded in launching the first sat
7、ellite in 1957In 1961, Yuri Gagarin became the first person to go into space.As a result, humans realise their dream to go into space.题组B提升练(建议用时：25分钟)阅读理解Have you ever dreamed of visiting a planet in the Milky Way(银河系)? While the trip sounds exciting, it would take years and years to reach your des
8、tination.So in the future, bedtime for astronauts may be more than a few hours of regular shut eyes.They would have to sleep for years.European researchers are now conducting hibernation(冬眠) experiments.The study may help them understand whether humans could ever sleep through the years it would tak
9、e for a spaceflight to distant planets.“If there was an effective technology, it could make deep space travel a reality，” said Mark Ayre of the European Space Agency last month.What seems like a science fiction is not completely unlikely.Researchers have been able to use chemicals to put living cell
10、s into a sleeplike state where they dont age.They have now moved on to the small, nonhibernating mammals(哺乳动物) like rats.A major challenge is the fact that cells can be very simple systems, whereas body organs are far more complex.“Its like moving from a simple Apple computer to a supercomputer，” sa
11、id Marco Biggiogera, a hibernation researcher at Italys University of Pavia.Just like bears and frogs, the hibernation of human beings would cause a persons metabolism(新陈代谢) to lower so they would need less energy.Medical research, however, is just half of a spaceflight hibernation system.There is a
12、 challenge of designing a suitable protective shelter.Such a shelter would provide the proper environment for hibernation, such as the proper temperature.It would also have to monitor life functions and serve the physiological needs of the hibernator.According to Ayre, the sixperson Human Outer Plan
13、ets Exploration Mission(使命)to Jupiters moon(木星的卫星)Callisto, could be an opportunity to use human hibernation.The mission aims to send six persons on a five year flight to Callisto, where they will spend 30 days, in 2045()1What does the underlined word “them” in the second paragraph refer to?AAstrona
14、uts.BEuropean researchers.CHibernation experiments.DSix persons.()2According to the article, the hibernation research _.Ahas made some progressBis always a science fictionChas already finished successfullyDis just an idea()3In a hibernating state, a person needs _.Aless sleepBmore foodCmore movement
15、Dless energy()4What is the best title of the article?AWelcome to our space travelBHibernation study for space travelCTo hibernate, to live longerDWelcome to the Milky way【语篇解读】本文是一篇说明文，介绍了星际探索固然重要，可是怎样打发漫漫旅途呢？别急，人类“冬眠”技术让你一觉睡到目的地。1B词义猜测题。根据画线词前句 “European researchers are now conducting hibernation(冬
16、眠) experiments.”可知，画线词them指代上句中的“European researchers”。2A推理判断题。根据第三段中 “Researchers have been able to use chemicals to put living cells into a sleeplike state where they dont age.They have now moved on to the small, nonhibernating mammals(哺乳动物) like rats.”可知，研究人员已经能够使用化学物质让活的细胞处于一种类似睡眠的状态，这说明实验研究已经取得
17、了一些进展，故选A项。3D细节理解题。根据第四段中 “Just like bears and frogs, the hibernation of human beings would cause a persons metabolism(新陈代谢)to lower so they would need less energy.”可知，冬眠会降低新陈代谢，这样的话人体所需的能量就会减少，故选D项。4B标题推测题。根据第一段中 “So in the future, bedtime for astronauts may be more than a few hours of regular shut
18、 eyes.They would have to sleep for years.”及第二段中 “European researchers are now conducting hibernation(冬眠)experiments.”可知，本文主要介绍了太空旅行中的冬眠研究，故选B项。七选五How to grow organic tomatoes in a containerAnyone who has seen tomatoes growing in a garden knows that they tend to be huge plants._1_ So the first thing
19、to do when considering growing tomatoes in a pot is to find a suitable variety.After you find the perfect plant, it is time to plant it.In general, plastic or fiberglass pots are best for growing tomatoes.They dont dry out quickly.While tomatoes love heat, they dont like being dry._2_ Besides, tomat
20、oes need to grow in a reasonably large pot.A pot must be 8 inches deep.Thats the absolute minimum.A 12or 16inch pot is even better.Any good quality organic potting soil works for tomatoes.Dont use soil dug directly from the garden._3_ Compostbased soil, whether purchased or mixed from your special r
21、ecipe, is nice.When planting the tomato, put some soil in the bottom of the pot and set the plant in.After you have the plant set at the proper level, fill in around it with soil.The soil should go up to about an inch below the rim of the pot to allow room for watering._4_ The best way to tell when
22、to water is to stick your finger into the soilif the first two inches are dry, its time to water.The trickiest thing about growing tomatoes in a pot is that they are heavy feeders.Every time you water, you wash nutrients out of the soil.So fertilize(施肥)regularly.Once a month is good.But every other
23、week, applying the fertilizer at halfstrength is better._5_AThats why clay pots are popular.BIt is too heavy for container gardens.CInstead, use whatever soil you can get.DAnd dry soil can reduce fruit production.EThis provides constant nutrients for the tomato plants.FThey require peoples much work
24、 to stay manageable.GTomatoes dont like being dry, so water them regularly.【语篇解读】本文是一篇说明文，主要介绍了如何在容器中种植有机西红柿。1F根据上文 “Anyone who has seen tomatoes growing in a garden knows that they tend to be huge plants.”可知，任何看过在花园里生长的西红柿的人都知道它们往往是巨大的植物。根据下文 “So the first thing to do when considering growing tomat
25、oes in a pot is to find a suitable variety.”可知，考虑在花盆里种西红柿时，首先要做的是找到一个合适的品种。故F项(它们需要人们的大量工作来保持可控)符合文意。2D根据上文 “While tomatoes love heat, they dont like being dry.”可知，虽然西红柿喜欢热，但它们不喜欢干。故D项(干旱的土壤会减少水果的产量)符合文意。3B根据上文 “Dont use soil dug directly from the garden.”可知，不要直接从花园里挖土。故B项(对于盆栽类园艺来说太重了)符合文意。4G根据下文 “
26、The best way to tell when to water is to stick your finger into the soilif the first two inches are dry, its time to water.”可知，判断什么时候浇水最好的方法是把你的手指伸进土里如果前面两英寸是干的，就该浇水了。故G项(西红柿不喜欢干，所以要经常浇水)符合文意。5E根据上文 “But every other week, applying the fertilizer at halfstrength is better.”可知，每隔一周，以半强度施肥效果更好。E项(这为番茄植
27、株提供了恒定的营养)符合文意。语法填空Two new satellites of the BeiDou Navigation(导航) Satellite System (BDS) 1_(send) into space on a Long March3B carrier rocket from the Xichang Satellite Launch Center in Sichuan Province, China at 2：07 am.on November 19, 2018The satellites entered a Medium Earth orbit 2_(safe) more
28、than three hours later and will work with 17 other BDS3 satellites already in space. They are also the 42nd and 43rd 3_(member) of the BDS satellite family.China launched these satellites with 4_ aim of providing navigation services for countries and regions which participate in the Belt and Road In
29、itiative(倡议) by the end of 2018“This is a key step for BDS developing 5_ a Chinese experimental system to a regional and then a 6_(globe) navigation system，” said Yang Changfeng, chief designer of the BeiDou system.The positioning 7_(accurate) of the BDS3 system has been improved to 25 meters to 5 m
30、eters, said Yang.8_(name) after the Chinese term for the Plough, the BeiDou system has been serving China for 18 years 9_another six BDS3 satellites will be put into the Medium Earth orbits from 2019 to 2020The system is expected 10_(provide) firstclass services around the globe by the end of 2020【语
31、篇解读】本文介绍了北斗导航系统的信息以及两颗卫星发射升空，让北斗导航系统更加完善。1were sent考查语态。句意：两颗北斗卫星导航系统的卫星在2018年由长征三号火箭送入太空。分析句子可知，本句缺乏谓语，send与主语为动宾关系，陈述过去事情，故用一般过去时，故填were sent。2safely考查副词。句意：这两颗卫星成功进入中地球轨道超过三小时，之后将与其他17颗卫星协同工作。修饰动词用副词，故填safely。3members考查名词。句意：他们也是北斗导航系统的第42和43颗卫星。根据 “the 42nd and 43rd”可知，本空应填名词复数members。4the考查冠词。句
32、意：中国发射这些卫星是为加入“一带一路”的国家和地区提供导航服务。with the aim of意为“目的是”，故本空应填定冠词the。5from考查介词。句意：这对于北斗导航系统从一个实验项目发展成为一个区域性，再到全球性的导航系统是关键的一步。分析句子可知，本句为结构from to，故填from。6global考查形容词。句意：同上题。本空修饰名词system，故应填形容词global。7accuracy考查名词。句意：北斗导航3系统的位置精确性提高到了25米至5米。分析句子可知，本句缺乏主语，故填名词accuracy。8Named考查非谓语动词。句意：以中国的北斗命名，北斗导航系统已经服
33、务中国有18年了，另外三颗卫星将会2019年至2020年进入中地球轨道。分析句子可知，“name after the Chinese term for the Plough”为状语，且name与其逻辑主语 “the BeiDou system”为逻辑上的动宾关系，故本空应填过去分词Named。9where考查定语从句。句意：同上题。分析句子可知， “another six BDS3 satellites will be put into the Medium Earth orbits from 2019 to 2020”为限制性定语从句修饰先行词 “the BeiDou system”，从句前的先行词应为China，故填关系副词where。10to provide考查非谓语动词。句意：这个系统预计2020年底为全球提供一流的导航服务。be expected to do sth意为“预计做某事”，故本空应填不定式to provide作宾语。