1、课时作业(十一)Unit 4Section Grammarit的用法().阅读理解AMagical History TourJoin us for our fifth annual exploration of fascinating historic sites around Greater Portland that youve never seen or maybe didnt even know existed! The Magical History Tour is your key to unlocking fascinating historical places that ar
2、e not usually open to the public. It is a selfguided adventure guaranteed to amaze and amuse both adults and children. Equipped with a map, and at your own pace, you will be greeted by guides at each location ready to share the history of the tour stop.In the 5th year of the Magical History Tour, we
3、 will be presenting an exciting mix of both new sites and favorites from the past four years.The Magical History Tour checkin begins at 9：45 am. at Maine Historical Societys Brown Library. At this time, you will find out where the tour will take you as you receive your map and ticket into each site.
4、Follow us on social media sites for updates, chances to win tickets and some other exciting opportunities; and feel free to share your tour experiences to our social media pages using MHStour!Time：10：00 am.4：00 pm., Saturday, May 11, 2019Location：485 Congress StreetTickets：Get your tickets online, b
5、y calling us at 2077741822, or by visiting our Museum Store at 489 Congress Street. $25/Adult MHS Member; $35/Adult General Admission; $5/Juniors under age 18.Volunteering: We need volunteers for the Magical History Tour! Volunteers help for half the day of the tour and are given a free ticket to th
6、e tour to enjoy either before or after their volunteer shift!For more information, email us at events mainehistory. org or call us at 2077741822.1Whats the purpose of the Magical History Tour?ATo explore unfamiliar historic sites.BTo visit some worldfamous attractions.CTo provide children with histo
7、ry classes.DTo make some private places known to the public，2How much should a couple(one is MHS Member) and a kid pay?A$55. B$65.C$75. D$105.3What can we learn from the text?AYou can buy a ticket by emailing.BTourists will only be guided by a map.COnly new sites are available for the tour.DVoluntee
8、rs can take part in the tour for free.BFire ants tunnels got dug efficiently by only a small percentage of the group doing most of the work. Freeloaders, they just sit around while their hardworking colleagues get things done. But might freeloaders actually be necessary for society to function effic
9、iently? The answer could be yesat least when it comes to fire ants and their efforts to dig nests underground.Fire ants are highly social organisms. So, Goldman and his colleagues wanted to know how individual ants knew what to do without a central leader issuing orders. To find out, Goldmans team l
10、abeled individual fire ants with paint and then watched them dig their tunnelsonly wide enough for two workers. It turns out that just 30 percent of the ants did 70 percent of the labor. “I was surprised that we ended up with so few workers actually doing the work at any one time.”A quarter of the a
11、nts never even entered the tunnel. Others went inside, but left without digging out a single grain of dirt. These behaviors ensured the tunnels did not get clogged with insect traffic, which would make the construction process stop.And when the scientists removed the five hardestworking ants from th
12、e tunnel, others immediately jumped in to compensate(补偿)with no reduction in the groups productivity. It seems that it doesnt matter which ants are working or freeloading at a given time, as long as there is some division of labor to keep the tunnels flowing smoothly. The findings are in the journal
13、 Science.The study could provide suggestions for the robotics. Imagine groups of robots sent to search for survivors from the ruins. Or nanobots(纳米机器人) coursing through our bodies to diagnose illness and deliver targeted medical treatment. Such robots will need to avoid getting jammed up in tight sp
14、aces. It might be necessary to program them so some just sit back and watch their colleagues work.4How do fire ants get the work done when digging tunnels?AThey all work under the order of their leaders.BOnly the strong ants do the majority of the work.CThey all cooperate together and spare no effor
15、t to do the work.DSome work efficiently while others just sit around and do nothing.5What does the underlined word “clogged” in Paragraph 3 probably mean?ACovered. BCrowded.CDestroyed. DSpotted.6When the hardestworking ants were taken away by the scientists，_.Athe rest of them didnt know what to doB
16、the leaders had to do the work by themselvesCother ants took their place and continued to do the workDother ants were in panic and escaped from the tunnels immediately7According to the passage, the research findings can be applied to _.Arobot technologyBsocial communicationCunderground constructionD
17、scientific observations.完形填空On a weekday evening, Jane was at home as usual. As her _1_ swung between what she was going to do with her life and their dinner plans for the evening, she was unexpectedly _2_ by an urgent call from her sister, “Get over here! Turn on NBC and check these guys out. They
18、are just like you. ” One facebook message and a phone interview later, Jane _3_ herself on a bus with 8 strangers in the middle of the sweltering (令人发昏的) desert heat of Utah, picking up trash and _4_ awareness (意识) about zerowaste and climate change.With a deep _5_ of the environment and a desire to
19、 make a _6_， Jane, Davey, and a group of self _7_ “environmental pickup artists” went on a coast to coast road side trash pickup. As they walked, sometimes only _8_ 0. 9 mile in an entire day, they _9_ and steadily made their way across the United States for three years, picking up a total of 201,67
20、8 pounds of trash.Jane and Davey _10_ with us wonderful stories of hope and inspiration that fueled their _11_ to continue their journey. After spending weeks silently _12_ how she would have enough _13_ to fly home for their twoweek spring break, Jane found a blank unidentified envelope _14_ with $
21、810 cash in the desert.Just enough to get her home and back. After their bus _15_ outside of Denver, they unexpectedly got _16_ and arrived in Yosemite National Park three weeks later, just in time for the “Yosemite Facelift” where _17_ from all over the state came together with a _18_ of cleaning u
22、p trash all over the park.Being at the right place at the right time became almost normal, and they realized that much of what they _19_ was more than just a coincidence. Together, their team learned to simply _20_themselves to their task, and surrender to the journey.1A.hands BthoughtsCbalance Dpos
23、ition2A.blamed BfrightenedCmoved Dinterrupted3A.found BcheeredCdropped Dtaught4A.abandoning BraisingCshaking Dhiding5A.pride BtrustClove Dfear6A.plan BpromiseCmistake Ddifference7A.described BcorrectedCrepeated Ddiscovered8A.driving BcoveringCriding Dfixing9A.slowly BsecretlyChelplessly Dfrequently1
24、0A.heard BreadCwrote Dshared11A.problems BcostsCefforts Dchoices12A.depending on Breplying toCworrying about Dmeeting with13A.time BmoneyCfood Droom14A.filled BsuppliedCdecorated Dequipped15A.set off Bheld onCheaded for Dbroke down16A.rest BpracticeChelp Dunderstanding17A.volunteers BmembersCtourist
25、s Dreporters18A.question BpurposeCdecision Dlesson19A.introduced BexpectedCexamined Dexperienced20A.turn BlimitCdevote Dcompare 课时作业(十一).阅读理解A【语篇解读】本文是一则旅游广告，目的是吸引更多人关注Magical History Tour，让人们在Greater Portland地区开始探索历史之旅。1答案与解析：A推理判断题。根据本文第一句话可知，这是探索历史遗迹的旅行，而第一句话中的“Greater Portland that youve never s
26、een or maybe didnt even know existed”说明这是一个鲜为人知的地方，与A项中的“explore unfamiliar historic sites”吻合。2答案与解析：B细节理解题。在Tickets部分提到，普通成人的票价是35美元，MHS成员的成人票价是25美元，18岁以下的青少年是5美元。题干里的“a couple (one is MHS Member) and a kid”是指一对夫妇和一个孩子，夫妇中有一个人是MHS成员，所以票价为“2535565”，故选择B项。3答案与解析：D细节理解题。根据Volunteering部分第二句话中的“Voluntee
27、rs.are given a free ticket to the tour”可知，志愿者可以获得一张免费旅游票，与D项表述吻合。由第一段中的“be greeted by guides at each location”可知B项错误。根据Tickets部分的“Get your tickets online.at 489 Congress Street”可知，可以网上订票，可以打电话订票，也可以在博物馆商店购票，但是并未提及是否能通过电子邮箱订票。根据第二段中的“presenting an exciting mix of both new sites and favorites from the
28、 past four years”可知，并不是只有新景点可以选择，还有一些老景点以供参观。B【语篇解读】本文是一篇说明文。研究发现，火蚁群体的生产力高，在挖洞穴通道过程中，只有极少部分的火蚁参加完成大部分的工作，而其他火蚁不作为。这一发现可以应用于机器人技术。4答案与解析：D细节理解题。根据第一段中的“Fire ants tunnels got dug efficiently by only a small percentage of the group doing most of the work. Freeloaders, they just sit around while their
29、hardworking colleagues get things done”可知，火蚁的大部分挖洞穴通道工作都是由一小部分蚁群来完成的，且挖掘效率很高；其他的火蚁却什么都不做，故D项正确。5答案与解析：B词义猜测题。根据第三段第三句中的“which would make the construction process stop”可知，这样的情况可能会使工作停止；结合画线词后的“with insect traffic”可知，使工作停止的情况可能是交通阻塞，故B项正确。6答案与解析：C细节理解题。根据第四段第一句“And when the scientists removed the five
30、 hardestworking ants from the tunnel, others immediately jumped in to compensate(补偿)with no reduction in the groups productivity. ”可知，当科学家们把五只工作最勤奋的蚂蚁移开时，其他蚂蚁就会立刻来补上，组织的生产力没有减少，故C项正确。7答案与解析：A细节理解题。根据尾段的内容尤其是第一句“The study could provide suggestions for the robotics.”可知，这一研究成果可以应用于机器人技术，故A项正确。.完形填空【语篇解
31、读】本文讲了Jane和同伴志愿捡垃圾的活动，告诉我们要热爱环境1答案与解析：B当她的“想法”在打算生活和晚餐计划间摇摆不定时，可知选B。thought“想法”。2答案与解析：D意外地被妹妹紧急的电话声“打断”了，可知选D。blame“责备”；frighten“惊吓”；move“移动”；interrupt“打断”。3答案与解析：A简“发现”自己和8位陌生人坐在一辆公交车上，可知选A。find“发现”。4答案与解析：B捡拾垃圾并且“提升”人们对于零污染和环境变化的环保意识，可知选B。raise“提高，提升”。5答案与解析：C带着对环境的“热爱”和对环境有所改变的渴望，可知选C。love“热爱”。6
32、答案与解析：Dmake a difference固定短语表示“有影响，起重要作用”。7答案与解析：A他们把自己描述为“环保的捡拾艺术家”，可知选A。describe“描述”；correct“改正”；repeat“重复”；discover“发现”。8答案与解析：B他们一天要“走完”的路程只有0.9英里，可知选B。drive“驾驶”；cover“走完(一段路)”；ride“骑行”；fix“修理，固定”。9答案与解析：Aslowly and steadily表示“平稳缓慢地”，可知选A。slowly“缓慢地”；secretly“秘密地”；helplessly“无助地”；frequently“经常地”
33、。10答案与解析：Dsharewith表示“和分享”，可知选D。hear“听说”；read“阅读”；write“写下”；share“分享”。11答案与解析：C他们和我们分享他们精彩的故事：是推动他们“努力”的希望和灵感让他们一路前行，可知选C。12答案与解析：C她为如何飞回家过为期两周的春假担心了几周后。worry about“担心”。13答案与解析：B根据下文“with $810 cash in the desert. Just enough to get her home and back.”，可知选B。14答案与解析：A钱自然是“装在”信封里。15答案与解析：D根据下文“three we
34、eks later，just in time for”，及时赶上，可以推知是他们的车子坏了。16答案与解析：C意想不到的是他们得到帮助并且于三周后到达约塞米蒂国家公园。17答案与解析：A来自本国各地的志愿者，可知选A。volunteer“志愿者”；member“成员”；tourist“游客”；reporter“记者”。18答案与解析：B清扫干净整个公园的垃圾，当然是志愿者们的共同目标。19答案与解析：D在恰当的时候，恰当的地点，一切都变得正常，他们意识到他们所经历的不仅仅是巧合。introduce“介绍”；expect“期望，期待”；examine“检查”。experience“经历”，符合语境。20答案与解析：Cdevote themselves to 表示“致力于”。