1、Section Integrating Skills & Cultural Corner重点单词写作词汇1.reckon v认为2.passerby n.(过)路人3.suspect n.(犯罪)嫌疑人；可疑分子4.chief adj.最重要的；首要的5.drawback n.不利因素6.debt n债务；人情债7.merely adv.仅仅；只不过8.outcome n.结果；后果9.blame n.(对错事或坏事应付的)责任10.passion n.激情，热爱拓展词汇11.flee v逃跑，逃掉fled/fled过去式/过去分词12.appeal v. 恳求；呼吁appealing adj
2、.动人心弦的13.loss n. 丢失；丧失lose vt.丢失；迷失lost adj.丢失的14.seek v. 寻找；寻求sought/sought过去式/过去分词15.gifted adj.有天赋的；有才华的gift n天赋；天才；礼物16.inspire v鼓舞，激励inspired adj.有灵感的；得到启示的inspiring adj.激励人心的；启发灵感的inspiration n灵感阅读词汇17.overnight adj.持续整夜的18.tax v.对征税，向课税19.anecdote n.趣闻，轶事20.authentic adj.(书画、文件、书籍等)原作的21.spok
3、esman n.发言人；代言人22.burglar n.窃贼，小偷23.antique adj.古时制造的，古董的24.basement n.地下室；地下层25.courtyard n.庭院，院子26.moustache n.小胡子27.parcel n.(小)包裹28.dash v.猛冲29.crossing n.十字路口；交叉口30.crossroads n.十字路口31.sideroad n.旁路，旁侧路32.circulate v流传；传播33.gang n.(犯人的)一群，一帮34.tentative adj.不确定的；试探性的35.fundamental adj.根本的；基本的36
4、.superb adj.极好的；超级的37.substitute n.代替物；代替品38.confidential adj.秘密的，机密的39.liberty n.自由；自由权40.movable adj.活动的，可移动的41.squeeze v.榨出；挤出；压出(液体)42.Bible n.圣经43.official n.官员，高级职员44.rural adj.农村的，乡村的45.profession n.职业46.calculate v.计算重点短语1.depend on依靠，依赖；取决于 (条件、情况)2.in history历史上3.leave for出发去某地4.on behalf
5、of代表5.leave sth.behind把抛在后面6.get tired of doing sth.厌倦做某事；厌烦做某事7.at liberty获得自由的8.up to到 (某个数量)9._lead to_导致，通向，通往10.take up从事，开始做 (某项工作)重点句型1.it作形式主语：It doesnt matter whether (是否都不要紧) he is doing a portrait or a landscapehes a genius.2.it作形式宾语：Printing made it possible (印刷使这一点成为了可能) to produce more
6、 copies in a few weeks than could have been produced in a lifetime written out by hand.3.so助动词/系动词/情态动词主语，意为“也同样”：But as the ideas of the Renaissance developed, so did the demand for (需求也增加了) the Greek and Latin classics, which had been largely ignored for up to 2，000 years. Read the passage The Puz
7、zle of the Mona Lisa and choose the best answer.1De Valfierno wanted everyone to hear about the news of the burglar_Ato tell the buyers the real Mona Lisa was just a copyBto make six copiesCto avoid paying PerugiaDto convince each buyer he had the authentic painting and not a copy2The six buyers did
8、nt know about the other paintings because_Athey hadnt heard the newsBthey might have guessed that their painting was a copyCde Valfierno had told them their copy was the authentic paintingDPerugia had waited so long before trying to sell the painting3The main idea of the passage is that _Athe Mona L
9、isa was stolen so that someone could make six copies and sell them to collectorsBPerugia stole the Mona Lisa on behalf of his boss, who simply made copies but didnt pay him for stealing the paintingCthe Mona Lisa was stolen, copies were made, and no one now knows if the painting which was returned i
10、s authenticDthe Mona Lisa in the Louvre Museum today is a copy and not the authentic painting4What type of text is the passage?AA description.BA narrative.CAn argument.DA story.答案：14.DCCB Read the passage Printing and judge the following statements True (T) or False (F)1Printing was one of the Chine
11、se ancient inventions( )2Printing was popular because people were dying for knowledge( )3The first paper mill in Asia was built at the end of the 12th century( )4In the late fifteenth century, Europe became one of the most important centres of the printing industry( )5With the development of the pri
12、nting press, the Renaissance may have happened( )答案：15.TTFFT depend on/upon相信，信赖；依靠；依而定；取决于(教材P22)Unlike other places in Europe, where house owners were taxed on the size of their windows, here the taxes depended on the width of the houseso they kept them narrow, but built them tall.在欧洲其他地方，房屋主人要根据窗
13、户的尺寸纳税；此处却不同，这里的税金是根据房屋的宽度而定因此他们就把房屋盖得很窄但却很高。depend on sb.to do sth.depend on sb.s doing sth.依靠某人做某事depend on it that. 相信；指望That/It depends. 那得看情况。 (口语) We shouldnt depend on our parents for money.我们不应该向父母要钱。 (安徽卷)The limits of a persons intelligence, generally speaking, are fixed at birth, but whet
14、her he reaches these limits will depend on his environment.一个人的智力极限，通常来说，出生时就已经定型了，但他是否能够达到这些极限则取决于他的生活环境。即学即练单句语法填空a(2018全国卷)Frozen bananas will last several weeks, depending (depend) on their ripeness and the temperature of the freezer.b(2017浙江卷6月)How much sleep you need depends (depend) a lot on
15、your age.Jim is always late, so you can not depend on him to come (come) on time.Dont worry. You can depend on/upon it that hell turn up on time. He always keeps his promises.链接写作词汇升级(普通表达)We can believe that he can deal with all the problems in his own way. (高级表达)We can depend on him to deal with a
16、ll the problems in his own way. (高级表达)We can depend on it that he can_deal with all the problems in his own way.depend on/rely on/see to等后接that从句时，要先在that前加形式宾语it，构成depend on/rely on/see to it that.结构。 leave sth. behind把抛在后面(教材P25)The burglar left the antique frame and the glass behind.盗窃犯把古时的画框和玻璃留
17、了下来。leave sb./sth.alone不要打扰某人；别碰某物leave for出发去某地leave out省略；遗漏I left my family behind when I went to work in Indonesia.我到印度尼西亚工作时，把家人留在了家里。 (朗文辞典)Youll have to put in some extra work at night if you dont want to get left behind.如果你不希望落后，就得在晚上做一些额外的工作。即学即练单句语法填空Hes in a bad mood right now. Wed better
18、 leave him aloneI met Professor Green in the street the other day and he told me he would soon leave for Britain.Busy talking with my old friend, I left my newly bought dictionary_behind_on the bus.链接写作完成句子/句式升级他们如此粗心以至于漏掉了一个重要的细节。 (普通表达)They were so careless that they left out an important detail (
19、高级表达)So careless were they that they left out an important detail(倒装句) appealv求助；呼吁；吸引；上诉n恳求；上诉；吸引力(教材P25)Were appealing to anyone who saw the suspect to contact us.我们呼吁任何看到嫌疑人的人与我们联系。(1)sth.appeal to sb.某物对某人有吸引力appeal (to sb.) for sth.恳求/呼吁 (某人)某事appeal to sb.to do sth.呼吁/请求某人做某事(2)make an appeal
20、to sb.for/to do sth.恳求/呼吁某人 (做)某事(3)appealing adj.有吸引力的；求助的；恳求的The police are appealing to the public for any information about the missing girl.警方呼吁公众提供有关这个失踪女孩的任何消息。Shes not happy with the decision and plans to appeal.她不服判决，打算上诉。即学即练单句语法填空 (江西卷)Sport has become an important form of entertainment,
21、appealing to both men and women. (2018全国卷)And, even if I werent excited enough about free credits, news about our instructor was appealing (appeal) enough to me. seekv(sought；sought)寻找；追求；征求，请求(教材P25)Were seeking a gang of criminals.我们正在寻找一帮犯罪分子。(1)seek to do sth.试图/设法做某事seek for/afterlook forsearch
22、 for寻找seek sb.for advice寻求某人的建议seek sth.from sb.向某人寻求某物(2)seek ones advice/help/assistance征求某人的建议/帮助/协助 (山东卷)A company whose profits from home markets are declining may seek opportunities abroad.一家在国内市场利润下降的公司可能会去国外谋求机会。 (天津卷)The book inspires confidence in students who wish to seek their own answer
23、s.这本书使那些想寻求自己的答案的学生产生自信心。即学即练单句语法填空 (2018北京卷)More than 750，000 have graduated from SAC, with many seeking (seek) employment in engineering, aviation, education, medicine and a wide variety of other professions. (江苏卷)Scientists have been seeking to understand_ (understand) the mystery of the “sixth s
24、ense” of direction. (2017江苏卷)On the Internet people can seek for/after information about their favourite stars and buy tickets at a discount as well.过去式含aught或ought的动词：动词原形中有字母a的， 其过去式和过去分词改为aught；不含字母a的则常为ought。catchcaughtcaughtbuyboughtboughtteachtaughttaughtfightfoughtfoughtbringbrought broughtth
25、inkthoughtthought blamen过失；责备v责备(教材P25)The outcome of the story is that Perugia got the blame for the crime and went to prison.故事的结局是佩鲁贾为这起犯罪承担责任并进了监狱。(1)take the blame for.为承担责任lay/put the blame on sb.把责任归咎于某人(2)blame sb./sth.for sth.因而责备某人/事blame sth.on sb.把某事怪到某人头上be to blame (for.)(因为)应受指责Bad wo
26、rkmen often blame their tools.拙匠常怪工具差。 (四川卷)Youve failed to do what you were expected to and Im afraid the teacher will blame you.期望你做的事你没做成，我害怕老师会责备你。即学即练单句语法填空 (广东卷)Once you form the habit of blaming somebody or something else for a bad situation, you are a loser. (2017全国卷)Lots of people find it h
27、ard to get up in the morning, and put the blame on the alarm clock.链接写作用blame的适当形式完成下面小片段他因这起事故受到了责备，但他把它归咎于别人。事实上，是他，而不是别人，该为此承担责任。He was blamed for the accident, but he blamed it on others. In fact, it is he, not others, that is to blame for/takes the blame for it.be to blame for sth.意为“应为某事负责或受指责
28、”， 其中不定式用主动形式表示被动含义。 up to直到；多达 (数量、程度等)；胜任；正在做，从事着；由决定的(教材P27)But as the ideas of the Renaissance developed, so did the demand for the Greek and Latin classics, which had been largely ignored for up to 2，000 years.但随着文艺复兴观念的发展，人们对希腊和拉丁经典作品的需求也增加了，而这些经典作品已经被忽视达两千年了。be up to sb. 由某人决定，由某人负责Its up to
29、sb.to do sth. 应由某人做某事 It can take up to three months to teach a new song.教会一首新歌可能要花上多达三个月的时间。 (上海卷)Its up to you what kind of life you will lead in the future.未来你将过什么样的生活由你自己来决定。链接写作完成句子一切都需要你自己弄清楚你的朋友想要什么。Its up to you to figure out what your friend wants.不论你想要做什么，真正做决定的还是你自己。Whatever you want to d
30、o, its truly up to you take up拿起；继续；占据；从事，开始做 (某项工作)；接受；养成(教材P27)Without inexpensive printing to make books available to a large section of society, the son of John Shakespeare, a government official in rural England in the mid1500s, may never have been inspired to take up writing as a profession.假如
31、没有低廉的印刷技术使得广大社会阶层有书可读， 16世纪中期英格兰乡村的政府官员约翰莎士比亚的儿子也许根本不可能受到鼓舞而将写作作为职业。一词多义写出下列句中take up的含义 (安徽卷)We tried to find a table for seven，but they were all taken up.占用 (陕西卷) Peter will take up his post as the head of the travel agency at the end of next month. 开始做，从事The teacher took up the lesson where he le
32、ft off last week.继续Are you going to take up the challenge of lasting a whole week without arguing？接受take in欺骗；理解；吸收take on呈现；雇用；承担；从事take over接管；控制take off休息； (飞机)起飞链接写作完成句子 (2016四川卷)睡前你吸收的脂肪越多，晚上你给身体增加的负担越大。The more fat you take in before bedtime, the greater burden you will put on your body at nig
33、ht. (江苏卷)在遭受大地震成为废墟后不久，这座城市呈现出新面貌。Shortly after suffering from a massive earthquake and being reduced to ruins, the city_took on a new look.(教材P27)Printing made it possible to produce more copies in a few weeks than could have been produced in a lifetime written out by hand.印刷使这一点成为了可能，在数周内印刷出来的书比一个
34、人一辈子手工抄写的书还要多。句中“made it possible to produce”为“make itadj./n. (for sb./sth.) to do sth.”结构，it是形式宾语，真正的宾语是后面的不定式短语。当不定式短语或从句等作宾语时多用it作形式宾语， 常见句型：(1)动词it形容词/名词 (for sb.) to do sth.(2)动词it形容词/名词从句(3)动词itno good/no use/no value/worth/worthwhiledoing sth.常用于上述句型的动词有make/think/consider/find/feel/believe等。
35、The fact that she was a foreigner made it difficult for her to get a job in that country.她是外国人的事实使得她在那个国家很难找到工作。即学即练单句语法填空 (2016北京卷)To make it easier_to get (get) in touch with us, youd better keep this card at hand. (陕西卷)No matter where he is, he makes it a rule to go for a walk before breakfast. 品
36、句填词1Rice is the chief (主要的) crop in most southern provinces of China.2This wounded soldier was unconscious because of his loss (失去) of blood.3They are seeking (寻找) the most balanced diet which will do good to their health.4The few hours I spent in the library had brought back my old passion (激情) for
37、 reading.5Since the early age of the computers favorite, I chose the IT profession (职业)6Good leaders must be able to motivate and inspire (鼓舞) their teams.7I never blame (责备) failuresthere are too many complicated situations in life.8The beggar sat outside the building asking passersby (过路人) for mon
38、ey.9While watching out for the tall man in a black hat, he found another suspect (嫌疑人)10A knowledge of economics is fundamental (根本的) to any understanding of this problem. 单句改错1The boy was tiring of this game, and he began to watch TV.tiringtired2You will end up in the debt if you keep on spending m
39、oney like that.去掉the3The discovery of new evidence led to the thief be caught.bebeing4I have made it clear whether tomorrows meeting will be put off till the day after tomorrow because of the bad weather.whetherthat5Im very glad to put on a performance here on the behalf of our school.去掉the 课文语篇改错Le
40、onardo was born in a small town in Tuscany, in the centre of Italy. At the school his teachers were astonishing by his talent. But Leonardo thought his progresses was disappointing because he hasnt learnt enough. So instead relaxing evenings spent with friends, Leonardo preferred studying Latin by h
41、im.He was good at something: he was a strong athlete and he had a fine singing voice. But he was especially interested in painting. When he was 14 he went to work for a wellknown artist Verrocchio and soon became a great artist than his master. His first known drawing, showing a valley in Tuscany, i
42、s astonishing. It shows a complete new approach to perspective. The scene looks real.答案：Leonardo was born in a small town in Tuscany, in the centre of Italy. At school his teachers were by his talent. But Leonardo thought his was disappointing because he learnt enough. So instead relaxing evenings s
43、pent with friends, Leonardo preferred studying Latin by .He was good at ： he was a strong athlete and he had a fine singing voice. But he was especially interested in painting. When he was 14 he went to work for wellknown artist Verrocchio and soon became a artist than his master. His first known dr
44、awing, showing a valley in Tuscany, is astonishing. It shows a new approach to perspective. The scene looks real. 单句语法填空1His speech was so inspiring (inspire) that his students were inspired to work (work) harder than ever before.2Suspected (suspect) of carrying drugs, the traveler was stopped by th
45、e customs officer.3In the early 1920s, thousands of people went to Australia to seek (seek) their fortune.4You may depend on it that they will look after your daughter when you are away for the meeting.5(2019天津耀华中学高二月考)Its up to the travel companies to warn (warn) customers of any possible dangers.6
46、I have made it clear that I have nothing to do with the accident.7Tom, rather than his teammates, was to blame (blame) for the failure of the volleyball match yesterday.8Make sure that you wont leave behind your wallet before leaving home.9After retirement, Mr.Smith took up painting, which he had al
47、ways loved but had not had time for.10His wonderful performances appeal to all ages and social groups in China. 阅读理解Leonardo da Vinci, the son of a local lawyer, was born on 15 April 1452 near the Tuscan town of Vinci. He was apprenticed (做学徒) to the sculptor and painter Andrea del Verrocchio in Flo
48、rence and in 1478 became an independent master. In about 1483, he moved to Milan to work for the ruling (统治的) Sforza family as an engineer, sculptor, painter and architect.Leonardo was in Milan until the city was invaded by the French in 1499 and the Sforza family was forced to flee. He may have vis
49、ited Venice before returning to Florence. During his time in Florence, he painted several portraits, but the only one that survives is the famous portraitthe Mona Lisa (15031506). In 1506, Leonardo returned to Milan, staying there until 1513.This was followed by three years living in Rome. In 1517,
50、at the invitation of the French King Francis ， Leonardo moved to the Chateau of Cloux, near Amboise in France, where he died on 2 May，1519.The fame of Leonardos surviving paintings means that he has been regarded primarily as an artist, but the thousands of surviving pages of his notebooks show the
51、most brilliant mind. He wrote and drew on subjects including geology, anatomy (解剖学), which he studied in order to paint the human form more exactly. He “invented” the bicycle, airplane, helicopter, and parachute some 500 years ahead of their time.If all these works had been published in an understan
52、dable form, Leonardos place as a pioneering scientist would have been beyond debate. Yet his true genius was not as a scientist or an artist, but as a combination of the two: an artistengineer. His painting was scientific, based on a deep understanding of the workings of the human body and the physi
53、cs of light and shade. His science was expressed through art, and his drawings and diagrams showed what he meant, and how he understood the world worked.【解题导语】本文介绍了达芬奇的生平以及其在绘画、科学等方面的成就。1Leonardos career reached its peak probably during his stay in _AMilan BVenice CFlorence DRomeC解析：推理判断题。根据文章第二段最后一
54、句可知，达芬奇在Florence期间创作了很多绘画，其中留下来的只有蒙娜丽莎，由此推断，这个时期是他事业的巅峰。2Why did Leonardo study anatomy?AHe wanted to be a doctor.BHe had strong interest in it.CHe wanted to invent other objects.DHe wanted to paint the human form exactly.D解析：细节理解题。根据文章倒数第二段倒数第二句可知，达芬奇研究解剖学的目的是为了更加精确地描绘人体。3What does the last paragra
55、ph intend to tell us?ALeonardo had a special way of painting.BLeonardo was both an artist and a scientist.CLeonardo was an artist instead of a scientist.DLeonardo was more of a scientist than an artist.B解析：段落大意题。综合文章最后一段，本段主要强调达芬奇是画家和科学家的融合，既是画家也是科学家。 完形填空Grady threw down his backpack and slammed th
56、e car door shut.“This is going to be a really 1 week，”he said unhappily to no one 2 He looked around the campground. Hundreds of bluegreen fir trees, some as tall as church towers， 3 the mountainside, giving it the appearance of a lush green carpet. The sun would be setting soon. Then, Grady thought
57、, maybe the 4 wouldnt feel so bad. Even up here in the 5 ，the hot stickiness of July clung to him.Grady hated camping，but it was something his family 6 every summer. His father liked cooking over an open fire，telling stories about how to 7 things like bear attacks and swarms of bees. His mother and
58、younger brother Jared liked to hike and take 8 of animals. Jared had a collection of bug pictures that hed 9 to the walls in his half of their room. Grady thought they were just scary and considered them proof that Jared was a 10 kid.They set up camptwo 11 ，one for his parents and one for himself an
59、d Jared. While everyone else started 12 dinner，Grady，looking for some place to cool down，set off for the nearby stream，which was deep enough to 13 in.As he 14 the stream，something caught his eye. There was a (n) 15 black bear cubno more than two feet tall with a lovely face. It was playing 16 at the
60、 waters edge， 17 its surroundings. Grady moved closer to get a 18 look.Then Grady heard a sound behind him.He 19 his father saying that bear cubs would never be 20 Then he turned around and saw the cubs mother moving swiftly towards him.【解题导语】本文是一篇记叙文，主要讲述的是Grady和家人一起露营，由于天气太热，Grady独自一人去找小溪乘凉，却遇到了黑熊
61、的故事。1A.long BinterestingCpeaceful DriskyA解析：根据空后的“unhappily”可知，此处应用long表示这一周会很漫长。long“漫长的”；interesting“有趣的”；peaceful“和平的，平静的”；risky“危险的，冒险的”。2A.in advance Bin briefCin particular Din silenceC解析：他不高兴地自言自语道：“这将是很漫长的一周。”Grady并没有特别地对某个人说，因此，C项符合语境。in silence“安静地，无声地”。3A.blocked BcoveredCreflected Dscarr
62、edB解析：数以百计的蓝绿色冷杉树，有些像教堂塔一样高，覆盖着山坡，使山坡呈现出一个郁郁葱葱的像绿色地毯的外观。从下文的“carpet”可知，数以百计的冷杉树覆盖着山坡。block“阻止，阻塞”；cover“覆盖”；reflect“反射，映出”；scar“结疤，给留下伤痕”。4A.dust BcampgroundCheat DsunC解析：根据上文中的“The sun would be setting soon.”及下文中的“the hot stickiness of July clung to him”可知，Grady认为太阳下山后就不会那么热了。故C项heat“高温”符合语境。dust“尘
63、土”；campground“野营地”。5A.mountain BriverCsky DtowerA解析：即使在山上，7月的炎热依旧如影随形。根据上文中的“mountainside”可知，作者的野营地在山上。故选A项。6A.believed in Binsisted onCcame across Dlived throughB解析：Grady讨厌野营，但是这是他家人每年夏天坚持的事情。根据空前的转折词but可知，Grady的家人和他的想法相反。believe in“相信”；insist on“坚持”；come across“偶遇”；live through“经历过”。故选B项。7A.encour
64、age BexploreCrecognize DsurviveD解析：他的父亲喜欢在户外的火上做饭，讲关于如何在类似熊和蜜蜂的攻击下生存下来的故事。根据空后的“bear attacks and swarms of bees”可知，这些故事是关于如何在类似熊和蜜蜂攻击下生存的。survive“幸存，生还”符合语境。encourage“鼓励”；explore“探索”；recognize“认识，认出”。8A.care BcontrolCpictures DexamplesC解析：根据后一句中的“Jared had a collection of bug pictures”可知，本空指给动物拍照。ta
65、ke pictures of“拍的照片”，为固定搭配。9A.guided BpinnedCtaken DthrownB解析：根据空后的“to the walls”可知，这些照片是被钉在墙上的。guide“指导，引导”；pin“ (用钉等)钉住”；take“携带”；throw“扔”。10A.sensitive BsmartCtough DstrangeD解析：根据语境可知，Grady认为这些 (虫子的照片)非常吓人，并且把它们当作证明Jared是一个奇怪的孩子的证据。sensitive“敏感的”；smart“聪明的”；tough“坚强的”；strange“奇怪的”。11A.beds Brooms
66、Ctents DplatesC解析：根据空前的“camp”可知，此处是搭起两个帐篷。bed“床”；room“房间”；tent“帐篷”；plate“盘子”。故选C项。12A.altering BhuntingCordering DpreparingD解析：根据空后的“dinner”及常识可知，此处表示准备晚餐。alter“改变”；hunt“打猎”；order“点菜”；prepare“准备”。13A.dig BswimChide DsinkB解析：当其他人都在开始准备晚餐的时候，Grady想要寻找清凉的地方，于是动身去附近的小溪。这条小溪足够深，可以在里面游泳。根据本句中的“looking for
67、 some place to cool down”可知，Grady想在小溪里游泳凉快一下。dig“挖”；swim“游泳”；hide“躲藏”；sink“沉没”。14A.crossed BimaginedCleft DnearedD解析：根据上文中的“set off for the nearby stream”可知，Grady朝小溪走去，因此此处表示离小溪越来越近。near“靠近 (某地方)”符合语境。15A.adorable BaggressiveCinjured DlargeA解析：根据空后的“no more than two feet tall with a lovely face”可知，小
68、黑熊很可爱。adorable“可爱的”；aggressive“侵略性的，好斗的”；injured“受伤的”。故选A项。16A.cautiously BjoyfullyCforcefully DnervouslyB解析：小黑熊在水边快乐地玩耍，忽视了它周围的环境。cautiously“小心地，谨慎地”；joyfully“高兴地”；forcefully“强有力地”；nervously“紧张地”。故选B项。17A.attacking BdestroyingChating DignoringD解析：参见上题解析。attack“攻击，进攻”；destroy“破坏”；hate“讨厌”；ignore“忽视，
69、不顾”。18A.better BbrighterCfixed DlastingA解析：Grady走近了一点，想看得更清楚一些。get a better look“看得更清楚”。19A.found BlearnedCremembered DmisunderstoodC解析：这时Grady听到后面传来一阵声音，Grady记起父亲说过熊的幼仔不会单独出行的。find“发现”；learn“学会，了解到”；remember“记得”；misunderstand“误解”。20A.alone BawakeCcute DscaredA解析：根据空后的“Then he turned around and saw the cubs mother moving swiftly towards him.”可知，小黑熊的妈妈正朝Grady迅速地走来。因此，此处表示熊的幼仔从来不会单独出行的。alone“独自的”；awake“醒着的”；cute“漂亮的，聪明的”；scared“恐惧的，惊恐的”。