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 well-known that the moon (orbit) around the earth.4In any event, we should carry on (do) our research.5He felt (disa
2、ppoint) 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 stresses the imp
3、ortance of thinking (independent)10One should learn from past mistakes so as (avoid) falling into the same old trap again.【答案】1.to get2.was launched3.orbits4.doing5disappointed6.to go7.on8.of9.independently10to avoid.完成句子1Even though she passed away, her daughter, Lorraine, her dream.尽管她已经不在了，她的女儿，洛
4、林正在继续她的梦想。2He 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。3“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。4They moved to Beijing getting better 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。5We arrived early at the theatre occup
5、y 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】1.carried on2.That was because3on board4.in the hope of5.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(Yuri Gagarin)在1961年成为第一个登上太空的人(the first per
6、son to go into space)。因此(as a result)，人类探索太空的梦想得以实现。 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 satellite in 1957.In 1961, Yuri Gagarin became t
7、he 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 destination.So in the future, bedtime for astr
8、onauts 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 take for a spaceflight to distant planets.“If
9、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 cells into a sleep-like state where they dont a
10、ge.They have now moved on to the small, non-hibernating 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，” said Marco Biggiogera, a hibernation resear
11、cher 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 space-flight hibernation system.There is a challenge of designing a suitable prote
12、ctive 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 six-person Human Outer Planets Exploration Mission(使命)to Jupiters
13、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.()1.What does the underlined word “them” in the second paragraph refer to?AAstronauts.BEuropean researchers.CHibernatio
14、n experiments.DSix persons.()2.According to the article, the hibernation research .Ahas made some progressBis always a science fictionChas already finished successfullyDis just an idea()3.In a hibernating state, a person needs .Aless sleepBmore foodCmore movementDless energy()4.What is the best titl
15、e 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(冬眠) experiments.”可知，画线词them指代上句中的“Eur
16、opean 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 sleep-like state where they dont age.They have now moved on to the small, non-hibernating 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了一些进展，故选A项。3D细节理解题。根据第四段中 “Just li
17、ke 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 eyes.They would have to sleep for
18、 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Traveling is a very enjoyable experience as it provides an opportunity to see new things. 1 The following article discusses the advantages of traveling.Traveling gives you the opportunity
19、 to disconnect from your regular life.People all have crazy schedules，work and a family to take care of，and traveling alone or with some friends can give you distance and perhaps even make you realize how important these people are to you. 2 Another great benefit is the relaxation you get. 3 When yo
20、u come back you feel energetic and you are happy to be back to your daily routine. 4 They will create a bond that nothing can erase no matter what happens to the friendship/relationship.You can create photo albums and when you feel nostalgic (对往事怀恋的) you can experience the trips again by looking at
21、your pictures.Its never been this cheap to travel.With increasing oil prices the cheap travel era might be coming to an end. 5 With the Internet and all the new technology，you can plan your trip exactly the way you want it.You can choose your budget，the duration of the trip and what you want to do.A
22、Its nice to enjoy a stressfree time.BAs the saying goes，you never know what you have until you lose it.CWhen traveling with friends or family it creates memories of a lifetime.DDiscovering different values and ways to get by in life is really interesting.EGoing on a trip means that you are most like
23、ly going to spend time outside.FHowever，there are still many budget airlines fighting for your dollar right now.GThere are many benefits other than enjoying yourself that can be realized when you travel.【语篇解读】本文为一篇说明文，介绍了旅行的好处。1G根据上下文，文章开头谈到旅行能为你提供欣赏新事物的机会，是一种愉快的经历。空后接下来谈论旅行的好处，故此处承上启下，谈论旅行除了让你玩得开心之
24、外还有其他好处。2B根据上文，谈到旅行使人有机会脱离常规的生活，独自或与朋友一起旅行可以给你距离感甚至意识到这些人对你有多重要，故此处提到正如名言所说的那样，人总是在失去时才懂得珍惜，回应上句的内容。3A根据上文，旅行的另一个益处是你能得到放松，故此处进一步谈你能享受没有压力的时光是非常好的，即放松自我。4C根据下文，此处作为主题句，意为：与朋友或家人旅行时可以留下终生难忘的美好回忆。5F根据上下文，上文谈到旅行成本越来越高，下文谈你可以通过网络或高科技选择自己旅行的支出预算，故此处谈的是有很多适合你的经济状况的航班等。.语法填空Two new satellites of the BeiDou
25、 Navigation(导航) Satellite System (BDS) 1. (send) into space on a Long March-3B carrier rocket from the Xichang Satellite Launch Center in Sichuan Province, China at 2：07 am.on November 19, 2018.The satellites entered a Medium Earth orbit 2. (safe) more than three hours later and will work with 17 ot
26、her BDS-3 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 Initiative(倡议) by the end of 2018.“This is a ke
27、y 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 BDS-3 system has been improved to 2.5 meters to 5 meters, said Yang.8 (name) after the Chin
28、ese term for the Plough, the BeiDou system has been serving China for 18 years 9. another six BDS-3 satellites will be put into the Medium Earth orbits from 2019 to 2020.The system is expected 10. (provide) first-class services around the globe by the end of 2020.【语篇解读】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
29、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。w
30、ith 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2.5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务中国有18年了，另外三颗卫星将会2019年至2020年进入中地
31、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 BDS-3 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。
