人教版 (2019)必修 第三册Unit 4 Space Exploration精品同步测试题

这是一份人教版 (2019)必修 第三册Unit 4 Space Exploration精品同步测试题，文件包含人教版2019高中英语必修第三册Unit4《SpaceExploration》ReadingandThinking分层练习原卷docx、人教版2019高中英语必修第三册Unit4《SpaceExploration》ReadingandThinking分层练习解析卷docx等2份试卷配套教学资源，其中试卷共18页， 欢迎下载使用。

一、语法填空
1．Adlescents hpe t be (depend) f their parents, but at the same time they are still eager fr parents’ lve and care.
【答案】independent
【详解】
考查形容词。句意：青少年希望独立于父母，但同时又渴望父母的爱和关怀。空处作be的表语，结合“Adlescents”和“f their parents”可知，应用depend的形容词形式independent，意为“独立的”，固定短语be independent f表示“独立于，不依赖于”，符合句意。故填independent。
2．After having a shrt rest, he carried with his wrk.
【答案】n
【详解】考查副词。句意：休息了一会儿后，他继续工作。carry n with意为“继续做，坚持干”，为固定搭配，其中n为副词。故填n。
3．With great (determine), he vercame all the difficulty he met in climbing the high muntain.
【答案】determinatin
【详解】考查名词。句意：凭着极大的决心，他克服了攀登高山时遇到的一切困难。great是形容词，修饰名词，determine的名词是determinatin，是不可数名词，意为“决心”，故填determinatin。
4．The (transmit) f the satellite cst the cuntries a lt f mney.
【答案】transmissin
【详解】考查名词。句意：卫星传送花费了这些国家很多钱。由The和f可知，空格处用名词，transmit的名词是transmissin，是不可数名词，意为“传输。传送”。故填transmissin。
5．Much t her (disappint), he was refused by the cmpany.
【答案】disappintment
【详解】考查名词。句意：使她大为失望的是，他被公司拒绝了。her后跟名词，disappint的名词是disappintment，意为“失望”，是不可数名词，故填disappintment。
6．They are talking abut (astrnaut) life in space.
【答案】astrnauts’
【详解】考查名词所有格。句意：他们正在谈论宇航员在太空中的生活。根据句意可知，此处表示“宇航员的生活”，为泛指宇航员，用名词复数形式的所有格形式。故填astrnauts’。故填astrnauts’。
7．The plice signalled t the driver (stp) his car.
【答案】t stp
【详解】考查不定式。句意：警察示意司机停车。signal (t) sb. t d sth“示意某人做某事”为固定短语。故填t stp。
8．He was the first persn (arrive) at the airprt yesterday afternn.
【答案】t arrive
【详解】考查非谓语动词。句意：他是昨天下午第一个到达机场的人。persn前有序数词the first修饰，所以其后应用不定式作后置定语。persn和arrive之间是主谓关系，所以应用不定式的主动形式。故填t arrive。
9．The captain refused t leave his sinking ship while there were thers bard.
【答案】n
【详解】考查介词。句意：还有其他人在船上的时候，船长拒绝离开正在下沉的船。n bard为固定短语，表示“在船上”，符合题意，所以空处应用介词n。故填n。
10．Frm the earliest ages, they desire (help) thers and t participate in achieving cmmn gals.
【答案】t help
【详解】考查非谓语动词。句意：从很小的时候起，他们就渴望帮助别人，并参与实现共同的目标。此处用固定短语desire t d sth.表示“渴望做某事”，空处应用help的不定式形式，作desire的宾语。故填t help。
学科素养提升
二、阅读理解
A
Orbital structures are becming increasingly imprtant fr wrldwide cmmunicatins and a new generatin f technlgies. But scientists are warning that the danger f space debris (碎片)is rapidly increasing . Space debris can include pieces f ld rckets, nn-peratinal satellites, lst tls and ther parts. These pieces f wreckage present a risk t spaceships, satellites and space statins.
In an effrt t reduce the amunt f debris rbiting the Earth, sme experts suggest creating “rbital-use fees.” A grup f ecnmists at the University f Clrad at Bulder prpsed a yearly fee, r tax, n satellite peratrs fr their use f an rbital path. The grup’s study n the subject appeared recently in the publicatin Prceedings f the Natinal Academy f Sciences.
Matthew Burgess helped write the study. He said in a statement: “Space is a cmmn resurce, but cmpanies aren’t accunting fr the cst their satellites impse n ther peratrs when they decide whether r nt t launch. S we need a plicy that lets satellite peratrs directly factr in the csts their launches impse n ther peratrs.”
Akhil Ra was the lead writer f the study. He said mst prpsed answers t the prblem have been based n using technlgy t clear away the debris. Sme suggestins, fr example, call fr nets r ther devices that capture the space wreckage. But, Burgess said that remving debris nly means that peratrs will launch mre satellites. He said an internatinal treaty calling fr a yearly fee r tax wuld push cmpanies t be mre mindful abut launching mre bjects int space.
Christpher Newman is a prfessr f space law at Nrth Umbria University in Britain. He tld the Thmsn Reuters Fundatin that carrying ut a space tax culd be tricky. Newman nted that such a cst culd be seen as a restrictin n the free use f space. That freedm is guaranteed in the Outer Space Treaty f 1967. The United Natins dcument has been signed by mre than 100 natins. Newman added that the effrt t place a fee n the use f space culd easily be slwed by the many details invlved.
11．What wrries the scientists?
A．the high cst f cleaning spaceB．the increasing risk f space debris
C．the safety f cmmunicatin systemD．the practical effects f new technlgies
12．What was the ecnmists’ suggestins?
A．Strengthening cntrl ver space statins.
B．Allwing cmpanies t use space fr free.
C．Charging satellites peratrs’ rbit-use fees.
D．Using advanced devices t catch space debris.
13．What is Burgess’s attitude twards clearing away the debris?
A．Supprtive.B．Neutral.C．IndifferentD．Negative.
14．What did Newman think f the ecnmists’ idea?
A．It wuld lead t an argument.B．It was well wrth cnsidering.
C．It was hard t put int practice.D．It wuld eventually be rejected.
【答案】11．B 12．C 13．D 14．C
【导语】本文为一篇说明文，科学家担心太空碎片的风险日益增加，一些经济学家提出“向卫星运营商收取轨道使用费”的建议，文章引用几个人的观点说明了该建议是否可行。
11．细节理解题。根据文章第一段“But scientists are warning that the danger f space debris is rapidly increasing.(但科学家警告说，太空碎片的危险正在迅速增加)”可知，科学家担心太空碎片的风险日益增加。故选B项。
12．细节理解题。根据文章第二段“In an effrt t reduce the amunt f debris rbiting the Earth, sme experts suggest creating “rbital-use fees.” A grup f ecnmists at the University f Clrad at Bulder prpsed a yearly fee, r tax, n satellite peratrs fr their use f an rbital path.(为了减少环绕地球运行的碎片数量，一些专家建议征收“轨道使用费”。科罗拉多大学博尔德分校的一组经济学家提议，向卫星运营商收取使用轨道的年费或税费)”可知，经济学家建议向卫星运营商收取轨道使用费。故选C项。
13．推理判断题。根据文章第四段“But, Burgess said that remving debris nly means that peratrs will launch mre satellites. He said an internatinal treaty calling fr a yearly fee r tax wuld push cmpanies t be mre mindful abut launching mre bjects int space.(但是，伯吉斯说，清除碎片只意味着运营商将发射更多的卫星。他说，一项要求征收年费或年税的国际条约将促使企业更加注意向太空发射更多物体)”可推知，Burgess不觉得清除太空碎片有更多的好处，相反，他支持收年费或者年税，因此，他对清除碎片持否定态度。故选D项。
14．推理判断题。根据文章最后一段“He tld the Thmsn Reuters Fundatin that carrying ut a space tax culd be tricky. Newman nted that such a cst culd be seen as a restrictin n the free use f space. That freedm is guaranteed in the Outer Space Treaty f 1967. The United Natins dcument has been signed by mre than 100 natins. Newman added that the effrt t place a fee n the use f space culd easily be slwed by the many details invlved.(他告诉汤森路透基金会，征收太空税可能会很棘手。纽曼指出，这样的成本可以被视为对空间自由使用的限制。1967年的《外层空间条约》保障了这种自由。联合国的这份文件已经有100多个国家签署。纽曼补充说，对空间使用收费的努力很容易因涉及的许多细节而减慢)”可推知，Newman认为经济学家的建议“向卫星运营商收取轨道使用费”很难实施。故选C项。
B
Exciting new research suggests there culd be living things in the cluds abve Venus, whse rbit brings it clser t the Earth than any ther planets. A study f Venus’ atmsphere shws a type f gas is in its atmsphere. The gas, n the Earth, is nly prduced by very small creatures. If such creatures are fund n Venus, it might be the first evidence f life existing smewhere else in the universe.
Scientists fund the gas in thick cluds abut 35 miles abve Venus’ equatr. On the Earth, the gas is prduced by special frms f life that live in airless envirnments such as swamps (沼泽). It can als be made in factries but neither explanatin helps scientists t understand what the gas is ding n Venus.
T get t the bttm f the mystery, the scientists have nw made their data public in the hpe that thers may be able t find a clue that they have missed. Prfessr Greaves explained that the gas might be prduced by sme nn-living natural prcess that we haven’t yet discvered, but fr nw, the idea f life n Venus has t be cnsidered. She added, “In my whle career, I have been interested in the search fr life elsewhere in the universe, s I’m just blwn away that this is even pssible. We are sincerely encuraging ther peple t tell us what we might have missed. This is hw science wrks.” If scientists n the Earth are unable t find an explanatin, then a future missin t Venus might be needed t prve whether r nt life exists there. The US space agency NASA is already planning an explratin that they wuld flat n a balln thrugh the cluds f Venus, and this culd be launched smetime in the 2030s.
15．What can we knw abut Venus accrding t Paragraph 1?
A．The thickness f its cluds.
B．The existence f a kind f gas.
C．The distance frm it t the Earth.
D．The exact temperature f its atmsphere.
16．Why have the scientists made their data public?
A．T seek thers’ help t find the truth.
B．T change the wrng cnclusin befre.
C．T prve the existence f life n Venus.
D．T annunce their successful experience.
17．What des the underlined phrase “blwn away” in Paragraph 3 prbably mean?
A．Impressed.B．Upset.C．Grateful.D．Dubtful.
18．Where des the text prbably cme frm?
A．A travel brchure.B．A medical reprt.
C．A science magazine.D．A museum handbk.
【答案】15．B 16．A 17．A 18．C
【导语】本文是一篇说明文。文章主要介绍了一项新研究发现，金星上空的云层中存在一种气体，表明这里可能存在生物，目前对该发现尚无确切的解释，因此科学家们公开了数据，希望其他人能够参与解开谜团。
15．细节理解题。根据第一段中“A study f Venus’ atmsphere shws a type f gas is in its atmsphere. (一项对金星大气的研究表明，金星大气中存在一种气体)”可知，金星大气中有一种气体的存在。故选B项。
16．细节理解题。根据第三段中“T get t the bttm f the mystery, the scientists have nw made their data public in the hpe that thers may be able t find a clue that they have missed. (为了弄清这个谜团的真相，科学家们现在公开了他们的数据，希望其他人能够找到他们错过的线索)”可知，科学家们公开他们的数据是为了寻求其他人的帮助来发现真相。故选A项。
17．词句猜测题。根据画线短语的上文“In my whle career, I have been interested in the search fr life elsewhere in the universe (在我的整个职业生涯中，我一直对寻找宇宙中其他地方的生命很感兴趣)”和下文“this is even pssible (这甚至是可能的)”可知，此处Greaves教授在描述自己对该发现的感受，她对寻找宇宙中的生命很感兴趣，而该针对金星的研究表明生命的存在是可能的。由此可知，她会对这种可能有深刻印象，画线短语意思应该是“强烈地留下深刻印象”，与impressed意思一致。故选A项。
18．推理判断题。通读全文，尤其是第一段中“Exciting new research suggests there culd be living things in the cluds abve Venus (令人兴奋的新研究表明，金星上空的云层中可能存在生物)”可知，文章主要围绕一项新研究的发现展开，该研究发现金星上空的云层中存在一种气体，表明这里可能存在生物，目前对该发现尚无确切的解释，因此科学家们公开了数据，希望其他人能够参与解开谜团。因此，文章主要和太空科学探索相关，应该出自科学杂志。故选C项。
Benefits f Space Explratin
On April 12, 1961, the Russian astrnaut Yuri Gagarin became the first human t jurney t uter space. 19 Why shuld we spend s much time and mney t explre dangerus envirnments? Well, the answer is simple. The benefits f space, including medical, technlgical and ecnmic benefits, are mre than the dangers f it.
● Medical benefits.
20 Analyzing the effects f zer-gravity n bld circulatin led t many discveries n hw t prevent sme types f heart failure. And the experiments and measurements f bne strength and bne lss in astrnauts have helped dctrs better understand bne diseases.
● 21
The space race has led t technlgical advancements in the shrtest perid f time, such a vacuum-sealed (真空密封的) fd, fireprf materials and mdern vacuum cleaners. Tday, we still use them in ur daily lives. Yet, we even dn’t knw that sme NASA engineers riginally develped them fr the Apll prgram that tk humankind t the mn. 22 Wh knws what kind f new technlgies culd be develped that will make ur lives easier in the future?
● Creatin f STEM jbs.
Space explratin is ne f the industries that require the largest percentage f STEM (Science, Technlgy, Engineering, and Mathematics) jbs. A lt f thse jbs are psitins fr engineers, data analysts, dctrs, bilgists and s n. Althugh these psitins require highly qualified peple t fill them, they are sme f the highest-paid jbs in the market. 23
A．Space turism industry.
B．Develpment f new technlgies.
C．Is explring space a waste f time and mney?
D．As yu can see, it is imprtant fr us t keep pushing the limits f space explratin.
E．S the grwing space industry creates high-paid jbs.
F．The medical benefits f space explratin reach every area f the human bdy.
G．The age f space explratin started that day.
【答案】19．G 20．F 21．B 22．D 23．E
【导语】本文是一篇说明文。文章主要介绍了太空探索带来的医疗、科技以及经济方面的益处。
19．前文“On April 12, 1961, the Russian astrnaut Yuri Gagarin became the first human t jurney t uter space. (1961年4月12日，俄罗斯宇航员尤里·加加林成为第一个前往外太空的人类)”描述人类首次前往外太空的事件，因此G项“The age f space explratin started that day. (太空探索的时代从那一天开始)”符合语境，指出这一事件的重要意义，承接前文，其中的that day指代前文的April 12, 1961。故选G。
20．空处位于段首，需呼应段落标题，引出段落内容。根据标题“Medical benefits. (医疗益处)”可知，本段主要介绍太空探索带来的医疗益处，后文“Analyzing the effects f zer-gravity n bld circulatin led t many discveries n hw t prevent sme types f heart failure. And the experiments and measurements f bne strength and bne lss in astrnauts have helped dctrs better understand bne diseases. (通过分析零重力对血液循环的影响，人们发现了许多预防某些类型心力衰竭的方法。对宇航员骨骼强度和骨质流失的实验和测量帮助医生更好地了解骨骼疾病)”具体介绍了太空探索对医疗发展的帮助，因此F项“The medical benefits f space explratin reach every area f the human bdy. (太空探索带来的医疗益处可以触及人体的每一个部位)”符合语境，说明这种益处非常多，契合后文内容，其中的medical benefits在标题中有同词复现。故选F。
21．空处是段落标题，需统领段落内容，且需和其他段落标题一样使用名词短语的形式。根据第一段中“The benefits f space, including medical, technlgical and ecnmic benefits, are mre than the dangers f it. (太空探索带来的益处，包括医疗、技术和经济益处，大于其危险)”可推知，空处的益处与技术相关，后文“The space race has led t technlgical advancements in the shrtest perid f time, such a vacuum-sealed (真空密封的) fd, fireprf materials and mdern vacuum cleaners. Tday, we still use them in ur daily lives. (太空竞赛在最短的时间内带来了技术进步，真空密封食品、防火材料和现代真空吸尘器。今天，我们仍然在日常生活中使用它们)”也主要介绍太空探索对科技发展的帮助，因此B项“Develpment f new technlgies. (开发新技术)”符合语境，契合段落内容，其中的technlgies呼应第一段和后文的technlgical。故选B。
22．前文“Tday, we still use them in ur daily lives. Yet, we even dn’t knw that sme NASA engineers riginally develped them fr the Apll prgram that tk humankind t the mn. (今天，我们仍然在日常生活中使用它们。然而，我们甚至不知道一些美国宇航局的工程师最初是为阿波罗计划开发的，该计划将人类带到了月球)”说明太空探索带来的技术发展对人们的生活有帮助，后文“Wh knws what kind f new technlgies culd be develped that will make ur lives easier in the future? (谁知道未来会开发出什么样的新技术，让我们的生活更轻松呢)”以问题的形式期待未来太空探索带来的新技术，因此D项“As yu can see, it is imprtant fr us t keep pushing the limits f space explratin. (正如你所看到的，对我们来说不断挑战太空探索的极限是很重要的)”符合语境，指出太空探索的重要性，对前文进行了总结，过渡到后文的问题。故选D。
23．前文“Althugh these psitins require highly qualified peple t fill them, they are sme f the highest-paid jbs in the market. (虽然这些职位需要高素质的人才来填补，但它们是市场上收入最高的工作之一)”说明太空探索需要的人才收入很高，因此E项“S the grwing space industry creates high-paid jbs. (因此，不断发展的航天工业创造了高薪工作)”符合语境，总结航天工业带来高薪工作，承接前文，其中的high-paid和前文的highest-paid呼应。故选E。
三、语法填空
Since earliest times, peple have dreamed f explring the universe, but befre the mid-20th century, it was cnsidered 24 impssible dream. Hwever, with the effrts f scientists, rckets that culd escape Earth’s gravity 25 (make). In 1961, the USSR sent the first persn int space. Then, American astrnaut Neil Armstrng tk the first step n the mn, 26 was cnsidered a giant leap fr mankind.
Scientists tried 27 (ensure) the safety f the astrnauts, but disasters still happened, which made everyne sad and 28 (disappint). Hwever, the man’s desire t explre the universe never died. This is 29 peple believe in the imprtance f carrying n space 30 (explre) despite the huge risks.
China has made great prgress in space prgramme in recent years. In 2003, Yang Liwei successfully rbited Earth in the Shenzhu 5 spacecraft. Mre 31 (recent), China has sent Chang’e 4 t explre the surface f the far side f the mn t make measurements and 32 (bservatin).
The future f space explratin remains bright. Despite the difficulties, scientists hpe future discveries will nt nly enable us t understand hw the universe 33 (begin) , but als help us survive well int the future.
【答案】24．an 25．were made 26．which 27．t ensure 28．disappinted 29．because 30．explratin/explratins 31．recently 32．bservatins 33．began
【导语】这是一篇说明文。文章介绍了太空探索的历程，太空探索的前景依然光明，尽管困难重重，科学家们希望未来的发现不仅能让我们了解宇宙是如何开始的，还能帮助我们更好地生存到未来。同时介绍了中国在太空探索上取得的成就。
24．考查冠词。句意：从最早的时候起，人类就梦想着探索宇宙，但在20世纪中叶之前，这被看作是一个不可能实现的梦想。dream“梦想”为可数名词，此处表示泛指，应用不定冠词，impssible的开头发音为元音音素，所以应用冠词an。故填an。
25．考查动词时态和语态。句意：然而，在科学家的努力下，制能够逃脱地球引力的火箭被造出了。此处是主句的谓语部分，根据句中culd escape可知，句子使用一般过去时，make和rckets之间是动宾关系，应用被动语态，主语rckets是复数，be动词使用were。故填were made。
26．考查定语从句。句意：然后，美国宇航员尼尔·阿姆斯特朗踏上月球第一步，这被认为是人类的巨大飞跃。分析句子可知，空处引导非限制性定语从句，修饰前边的整个句子，关系词在从句中作主语，应用关系代词which引导从句。故填which。
27．考查非谓语动词。句意：科学家们努力确保宇航员的安全，但灾难仍然会发生，这使每个人都感到悲伤和失望。分析句子结构可知，此处用作动词tried的宾语，表示“努力做”，需用不定式。故填t ensure。
28．考查形容词。句意：科学家们努力确保宇航员的安全，但灾难仍然会发生，这使每个人都感到悲伤和失望。根据上文“made everyne sad”可知，此处应用形容词disappinted表示“失望的”，作宾语补足语。故填disappinted。
29．考查表语从句。句意：这是因为尽管有巨大的风险，但人们相信进行太空探索的重要性。分析句子结构可知，此处是表语从句引导词，结合语意，表示“因为”，应用because。故填because。
30．考查名词。句意：这是因为尽管有巨大的风险，但人们相信进行太空探索的重要性。分析句子结构可知，此处用作介词n的宾语，应使用名词，需用explratin，是可数名词，需用复数形式表示泛指，也可以作不可数名词指一个整体概念。故填explratin/explratins。
31．考查副词。句意：最近，中国已派出嫦娥四号探测月球背面进行测量和观测。分析句子结构可知，此处是句子的时间状语，表示“最近”，需用副词recently。故填recently。
32．考查名词。句意：最近，中国已派出嫦娥四号探测月球背面进行测量和观测。分析句子结构可知，此处用作动词make的宾语，应使用名词bservatin，表示“表示具体的一次观察或观测”是可数名词，应使用复数形式。故填bservatins。
33．考查动词时态。句意：尽管困难重重，科学家们希望未来的发现不仅能让我们了解宇宙是如何开始的，还能帮助我们更好地生存到未来。分析句子结构可知，此处是宾语从句的谓语部分，表示宇宙开始，是发生在过去的事情，故此处用一般过去时，动词使用过去式形式。故填began。
四、书面表达
34．阅读下面材料，根据其内容和所给开头语续写两段，使之构成一篇完整的短文。
It was time fr the annual Ptat-Salad Cntest in Russet Park. After trying fr the third time, Alexis shk her head sadly. There was n way she wuld win the Glden Ptat again because Grandpa wasn’t here this year.
Memries f hw Grandpa taught her t make ptat rse in her mind. She sighed and missed Grandpa s much.
Alexis cut the ptates and mixed the biled ptates, sme sauces and a little salt and peppers in a bwl. But it didn’t taste right. Alexis tried a bite f the salad mixture, wndering what was missing. Seeing her frwn, Mm suggested, “What abut smething spicy? Yur Grandpa lved spicy things.”
“Yu’re right! Maybe he put a jalapen pepper in it,” Alexis said, cutting up a bright green jalapen and adding it t the bwl.
It was clser, but it still didn’t taste right. Alexis was drping her head, disappinted. “Shuld we lk in a ckbk?”
“Grandpa was never ne t fllw a recipe,” Dad entered the kitchen and said.
It was true. Peple lved Grandpa’s ptat salad because it was ne f a kind. Alexis remembered psing with Grandpa fr a pht while they were making the salad.
Pht! That gave her an idea. Alexis hurried t the bkcase and fund an ld pht album. She immediately flipped it pen, expecting t find clues in the phts there. Lts f phts shwed Grandpa and Grandma cking tgether. Dad laughed, “He and Grandma lved t tease each ther but he always called her Hney.”
“D yu think he put hney in the ptat salad?” Mum asked.
“It is wrth a try,” said Alexis. She stirred sme hney int the bwl.
But it still wasn’t quite right. Alexis’ heart sank, n the verge f giving up. Dad kept flipping the album. At the end f the album was the picture f Grandpa and Alexis making the salad tgether.
注意：
1. 续写词数应为 150 左右；
2. 请按如下格式在答题卡的相应位置作答。
It lked like Grandpa was crying in the pht.
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With hesitatin, the family tasted the ptat salad with nins in it.
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【答案】范文
It lked like Grandpa was crying in the pht. Crying! Yes, the secret was abut crying! Grandpa nce said with wet eyes that the ptat salad definitely brught tears t his eyes. It seemed that Alexis fund ut the final secret ingredient. Full f hpe in her eyes, she quickly rushed t the cabinet and grabbed an nin. Then, delighted and expected, she cut the nin with tears in her eyes. Finally, adding the nins int the salad and mixed it, Alexis’s palms getting sweaty. Heart raising, she held the salad t her family and waited fr their try.
With hesitatin, the family tasted the ptat salad with nins in it. Ndding their heads at the same time, smile flickered acrss everyne’s face. They eventually figured ut Grandpa’s recipe. Finally, Alexis cmpleted the salad and tk part in the cntest. As the result that Alexis’s ptat salad wn was annunced, Alexis was thinking abut Grandpa, her tears welling up uncntrllably. She hugged the Glden Ptat t her chest and wre a shining smile, saying “Just because f the nins.” It’s nt nly a recipe fr delicius fd but als a recipe fr a happy family.
【导语】本文以人物为线索展开，讲述了Alexis参加一年一度的土豆沙拉大赛，却始终无法做出爷爷的味道。她从照片中得到线索，发现了爷爷制作土豆沙拉的秘诀，最终完成了沙拉并获胜。
【详解】1.段落续写：
①由第一段首句内容“照片里爷爷好像在哭。”可知，第一段可描写Alexis发现了爷爷菜谱的秘密，并让家人品尝重新做好的沙拉。
②由第二段首句内容“一家人犹豫了一下，尝了尝土豆沙拉里的洋葱。”可知，第二段可描写制作成功，赢得比赛和Alexis感悟。
2.续写线索：发现线索——完成沙拉——家人品尝——比赛获胜——Alexis感到快乐——Alexis感悟
3.词汇激活
行为类
发现：find ut/discver
急忙：rush t/hurry t
充满：be full f /be filled with
情绪类
美味的：delicius/tasty
快乐的：happy/jyful
【点睛】[高分句型1] Finally, adding the nins int the salad and mixed it, Alexis’s palms getting sweaty. (运用了现在分词作状语)
[高分句型2] As the result that Alexis’s ptat salad wn was annunced, Alexis was thinking abut Grandpa, her tears welling up uncntrllably. (运用了that引导同位语从句)