1、 Unit 4 Exploring plantsPeriod One Reading bicycles became extremely popular and useful for transportation.Today，they are built，used， and enjoyed all over the world.5This passage was most likely written in order to _Acompare bicycles used for different purposesB describe the problems early bicycle m
2、akers experiencedC persuade readers to use bicycles for transportationDtell readers about the early history of the bicycle答案 D解析 推理判断题。通观全文，第一辆自行车是于 1818 年在德国被发明的1839 年 Kirkpatrick Macmillan 发明了一辆更好的自行车1861 年法国人 Pierre Michaux 和他的兄弟 Ernest 发明了一辆改进了脚踏板机械装置的自行车两年后 James Starley 做出了一些革新，彻底改变了自行车的设计1874
3、 年真正的现代自行车出现了1893 年安全脚踏车被进一步改进今天，自行车在全世界被制造，运用和喜爱。这讲的是自行车的发展史。6Which of the following bicycle types was invented by James Starley? 答案 B解析 细节理解题。第四段“He made the front wheel many times larger than the back wheel，” James Starley 制造的前车轮比后车轮大好几倍。和图片 B 相符。7Which of the following statements is true accordi
4、ng to the passage?ATwo hundred years ago，bicycles did not exist.B The first bicycle could be ridden at a very quick pace.C The Michaux brothers called their bicycle a “bone shaker”DMacmillans machine had wheels with rubber tires.答案 A解析 推理判断题。 “The first bicycle was invented in Germany in 1818。 ”第一辆自
5、行车是在 1818 年被发明的，而 200 年前是 1813 年，所以那时自行车还不存在。故选 A。8The information about bicycles in this passage is arranged according to _Aimportance BtimeC place Dinterest答案 B解析 细节理解题。A.“重要性” ； B “时间” ； C “地点” ；D “兴趣” 。 本文讲的是自行车的发展史，是逐段按时间排列出这些信息的。.短文改错 Dear Johnny，Thank you for speaking to our class last Thursd
6、ay.Weve all learned a lot about how you make your weather forecasts.After your left，we made a list what we had learned.Then we set up the small weather station outside your classroom.From tomorrow on，one student in the class will be the weather forecaster every day.He or she record data in our weath
7、er book.In a few month，we will start drawing graphs and charts what show our weather patterns here in Nebraska.Which you can see，your visit has been given us a lot of ideas.Thank you so much for opening our eyes to this interested subject.Yours，Jack答案 Dear Johnny，Thank you for speaking to our class
8、last Thursday.Weve all learned a lot about how you make your weather forecasts.After your,you left，we made a list ,of what we had learned.Then we set up small weather theastation outside your,our classroom.From tomorrow on，one student in the class will be the weather forecaster every day.He or she ,
9、will) record data in our weather book.In a few month,months，we will start drawing graphs and charts show our weather patterns here in whatthat/whichNebraska. you can see，your visit has given us a lot of WhichAsideas.Thank you so much for opening our eyes to this interested,interesting subject.Yours，
10、Jack. 阅读下面材料，在空白处填入适当的内容(不多于 3 个单词) 或括号内单词的正确形式。The Chinese knot(中国结) can be seen all over the world.Its long history dates back to ancient times 1._ people first used knots for fastening，wrapping， hunting and fishing.The knot 2._(develop)into an art from during the Tang and Song dynasties and later
11、 popularized in the Ming and Qing Dynasty.One major characteristic of decorative knot work is 3._ all the knots are tied using one thread，and when 4._(finish)，the knot looks identical from both the front and back.They can come in a 5._(various) of colours such as：gold ，green ，blue or black.However，t
12、he most commonly used colour is red.This is because it symbolizes good 6._(lucky) and prosperity.Crafting the Chinese knot is 7._ threestep process，which involves tying，tightening and adding.There are many different shapes of Chinese knots, 8._(offer) blessings of happiness， love and good luck. In C
13、hinese， “knot” 9._(mean) reunion，friendliness，warmth，love，etc. Up to now，the art of the Chinese knot 10._(use) in necklaces，buttons and even hangings for cars or mobile phones.答案 1.when 2.was developed 3.that 4.finished5variety 6.luck 7.a 8.offering 9.means 10. has been used.书面表达 某英文杂志面向中学生征稿，内容是描述自
14、己喜欢的植物，假定你是李华，请以 Bamboo 为标题，根据汉语提示写一篇关于竹子的英语短文。内容要点：1外形：笔直、细长，内中空，顶端有分枝；2属于草本植物，种类：500 多种，有的高达 10 米多高；有的只有几寸高；3用途：建房子；桥梁，做桌子、椅子、造纸，竹笋可食用。要求：1.可适当增加细节，以使行文连贯；2.词数：100 左右。_【参考范文】BambooAlmost everyone has seen bamboos.Bamboo grows up straight and thinly，with branches at the top.It has long leaves.It lo
15、oks like a tree，but it is really a kind of grass.There are more than five hundred kinds of bamboo.Some grow over ten metres high，and some are only a few inches high.Bamboo grows best in places where it is warm and rains often.The long stem of bamboo is hollow，which makes it light and strong.People u
16、se it to build houses and bridges over rivers.It can be used to make tables，chairs ，baskets and many other things.Bamboo is also made into paper.The tender young shoots of bamboo are tasty.People like to eat them.Do you like bamboo?Period Two Using Language the _10_was just as Id expected.But _11_I
17、could leave the room，I was stopped by my grandfather.“Hold on just a minute.” I heard him say， “Let the boy climb the stonewalls，He has to_12_to do things for himself.”“Scoot(快走) ， ” he said to me， “and come and see me when you get back.” For the next two and a half hours I climbed those old walls a
18、nd had the _13_of my life.Later I met with my grandfather to tell him about my_14_ .Ill never forget what he said.“Fred， ” he said， smiling， “you made this day a _15_ day just by being yourself.Always_16_，theres only one person in this whole world like you，and I like you exactly as you are.”Many yea
19、rs have passed since then，and today I _17_the television program Mister Rogers Neighborhood，seen by millions of_18_throughout America.There have been changes over the years， but one thing_19_the same; my_20_to children at the end of almost every visit， “Theres only one person in this world like you，
20、and people can like you exactly as you are.”【语篇解读】 本篇讲述了作者 8 岁那年，第一次去爷爷的农场；他知道父母都不同意，依然希望能爬农场周边的石墙，正如作者意料之中的结果大人们都说不可以，但是爷爷说“让孩子去爬石墙吧，他必须学会自己去做事。 ”后来作者爬了这些古老的石墙，开心极了。作者把自己的历险告诉了爷爷，爷爷笑着说， “你让这个日子非常特别，只是因为你做了一回自己。永远记住，整个世界只有一个你，我喜欢真实的你。 ”作者长大了，作为主持人，也给了孩子们以自己的启示。1A.Crowded BSurroundedC Covered DBlocke
21、d答案 B解析 农场四周都围上了石墙，延绵数十里。Surrounded“被环绕，被围绕” 。2A.sorrow Bpity Cfun Dpuzzle答案 C解析 provide fun for a city kid 农场给我这个来自城市的男孩带来了无尽的乐趣。3A.inspired Bbanned Cexpected Dallowed答案 D解析 记得我 8 岁那年，我第一次去农场，就非常希望被允许爬农场周边的石墙。4A.approve Bquestion Ccomplain Drefuse答案 A解析 父母是绝对不会同意的我去爬墙。5A.weak Bsteady Clow Dstrong答案
22、 D解析 我渴望爬这些墙的愿望很强烈。6A.courage Bstrength Cright Denergy答案 A解析 终于在一个春天的下午，我鼓足勇气，走进客厅。大人们午餐后都会聚集在这里。7A.paused BgatheredC settled Drefreshed答案 B解析 大人们午餐后都会聚集在这里。8A.worriedly BcheerfullyC desperately Dconfidently答案 A解析 “我可以爬那些石墙， ”我不安地说问。9A.enjoy Bhurt Cforget Dburden答案 B解析 屋内的女士们立即喊道， “天啊，不可以！” “你会伤着自己的
23、！”10A.question BrewardC response Dsupport答案 C解析 我并不十分失望，这是我意料之中的结果。11A.since Bwhen Cbefore Dafter答案 C解析 但就在我还没来得及离开客厅时，爷爷声音让我停了下来。12A.agree Bhope Cpromise Dlearn答案 D解析 让孩子去爬石墙吧，他必须学会自己去做事。13A.time Blove Cregret Dfailure答案 A解析 接下来的两个半小时里，我爬这些古老的石墙，度过了人生中的这一刻。14A.dream BadventureC accident Djourney答案
24、B解析 后来，我把自己的历险告诉了爷爷。15A.special Bdifficult Cterrible Dhopeless答案 A解析 你让这个日子非常特别，只是因为你做了一回自己。16A.pray BignoreC value Dremember答案 D解析 “永远记住，整个世界只有一个你，我喜欢真实的你。 ”17A.watch Breform Ccriticize Dhost答案 D解析 主持(host)电视节目 Mister Rogers Neighborhood.18A.adults Bwomen Cchildren Dpeasants答案 C解析 在 my_20_ to child
25、ren at the end of most every visit 句中提到了面对的对象是孩子 children。19A.remains Bfeels Clooks Ddoes答案 A解析 有一件事依然相同，没有改变。20A.memory BmessageC pressure Dchoice答案 B解析 因为是作者把当年爷爷说给他的话有告诉了他的小朋友观众，是一种信息的传递 message。.阅读理解 Imagine putting a seed in a freezer，waiting 30，000 years，and then taking the seed out and planti
26、ng it.Do you think a flower would grow?Amazingly，scientists have just managed to do something very similar.They found the fruit of an ancient plant that had been frozen underground in Siberiaa region covering central and eastern Russiafor about 31，800 years.Using pieces of the fruit，the scientists g
27、rew plants in a lab.The new blooms have delicate white petals.They are also the oldest flowering plants that researchers have ever revived from a deep freeze.“This is like regenerating a dinosaur from tissues of an ancient egg， ” said University of California，Los Angeles biologist Jane ShenMiller.Th
28、e plant has a long history.Back when mammoths and woolly rhinoceroses walked the land，an Arctic ground squirrel buried seeds and fruits in an underground chamber near the Kolyma River in northeastern Siberia.The ground became permafrost，a layer of soil that stays frozen for a long time.Recently，Russ
29、ian scientists dug out the old squirrel hole and found the plant remains 38 meters below the surface.Back at the lab，the team fed nutrients to tissue from three of the fruits to grow shoots.Then the scientists transferred the shoots to pots filled with soil.The plants produced seeds that could be us
30、ed to grow even more of them.Its important for scientists to know that plant tissues can still be revived after being frozen for a long time.Thats because many researchers are trying to preserve the seeds of modern plants by freezing them and then storing them in giant lockers at various spots aroun
31、d the globe.One such endeavor，an underground facility in Norway，is called the Svalbard Global Seed Vault.It stores hundreds of thousands of frozen seeds.If a plant ever goes extinct，scientists could bring it back by taking its seeds from the Svalbard or other storage lockers.“No one knows how long t
32、hey are able to live for，but freezing is basically the format for many plant conservation attempts nowadays.” ShenMiller said.Its a good thing that at least some plants are tough enough to survive the experience.1How did the fruit originally get underground?AIt was placed there by an animal.B It was
33、 trapped there during the iceage.C It was planted there by ancient farmers.DIt was buried there after the earthquake.答案 A解析 细节理解题。根据 Back when mammoths and woolly rhinoceroses walked the land，an Arctic ground squirrel buried seeds and fruits in an underground chamber near the Kolyma River in northea
34、stern Siberia.可知最初的时候是有动物放在地下的，故选 A。2Which of the following was NOT used to recreate the ancient plant?AModern nutrients. BParts of its fruit.C Its frozen seeds. DPlant pots with soil.答案 C解析 细节理解题。根据 Russian scientists dug out the old squirrel hole and found the plant remains 38 meters below the sur
35、face.Back at the lab，the team fed nutrients to tissue from three of the fruits to grow shoots.Then the scientists transferred the shoots to pots filled with soil.从果实的一部分取组织，然后给这些组织一定的营养，然后把嫩芽放在有土壤的盆里就能再重新栽培出古代的植物，这里没有提到冻了的种子，故选 C。3Why are scientists interested in this discovery?AIt helps them learn
36、how plant life has changed in the past 30，000 years.B It can help guide future efforts to protect endangered plantlife.C It can provide directions for where to look for other ancient plants.DIt proves that all plant life can survive for thousands of years when frozen.答案 B解析 细节理解题。根据 Thats because ma
37、ny researchers are trying to preserve the seeds of modern plants by freezing them and then storing them in giant lockers at various spots around the globe.If a plant ever goes extinct，scientists could bring it back by taking its seeds from the Svalbard or other storage lockers.有了这个重要的发现有助于帮助我们未来去保护濒
38、临灭绝的植物，故选 B。4The underlined word “they” in the final paragraph refers to _Aplants BseedsC scientists Dstorage lockers答案 B解析 词义猜测题。根据 If a plant ever goes extinct，scientists could bring it back by taking its seeds from the Svalbard or other storage lockers.及 able to live for 应该指的是种子能够活多长，故选 B。.根据短文内容
39、，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Long ago， people believed that in the future we would work less，have more free time and get more relaxed._1_Today we work harder，work longer hours and have more stresses than ten years ago.We walk faster，talk faster and sleep less than previous generations.And alth
40、ough we use machines that save us time，we have less free time than our parents and grandparents._2_An American journalist James Gleick in a new book，says that people are suffering from“hurry sickness”were trying to do more things in less time.As a result，our lives are stressful.He says that if we do
41、nt slow down，we wont live as long as our parents._3_Newspaper articles today are shorter and the headlines are bigger.Most people dont have enough time to read the articles，so they only read the headlines.On TV and the radio，newsreaders speak more quickly than ten years ago.In the USA， there is a bo
42、ok called One Minute Bedtime Stories for children.These are shorter versions(版本) of traditional stories，specially written for“busy parents” who want to save time！Some answer phones now have “quick playback”buttons so that we can replay peoples messages fasterwe cant waste time listening to people sp
43、eaking at the normal speed！_4_ Ten years ago when people went to art galleries they spent seconds looking at each picture.Today they spend just three seconds！Nowadays，many people prefer faster and dynamic sports like basketball._5_Our cars are faster but the traffic is worse，so we drive more slowly.
44、We spend more time sitting in our cars，feeling stressed.Experts predict that in ten years the average speed on the road in cities will be only 17 km/h.APeople didnt feel stressed ten years ago.B But unluckily，this has not happened yet.C Even when we relax we do everything more quickly.DBut what is t
45、his doing to our health?EFor most people，faster doesnt mean better.FThe only thing that is slower than before is the way we drive.GNow everything is faster than before，which brings us more convenience.答案 1.B 2.D 3.E 4.C 5.F单元检测本试卷分第 卷 (选择题) 和第卷(非选择题)两部分(满分：150 分，时间：120 分钟)第卷第一部分 听力(共两节，满分 30 分)( 略)第
46、二部分 阅读理解(共两节，满分 40 分)第一节 (共 15 小题；每小题 2 分，满分 30 分)阅读下列短文，从每题所给的四个选项(A、B 、C 和 D)中，选出最佳选项。ASuccess is often measured by the ability to overcome difficulties.But，it is often the belief of others that gives us the courage to try.JK.Rowling，author of the Harry Potter book series，began writing at age 6.In
47、 her biography，she remembers with great fondness when her good friend，Sean，whom she met in secondary school，became the first person to encourage her and help build the confidence that one day she would be a very good writer.“He was the first person with whom I really discussed my serious ambition to be a writer.He was also the only person who thought I was bound to be a success at it，which meant much more to me than I ever told him at the time.”Despite
