4u5语法构词法练习.
【高一同步教程】高中英语必修4 Unit5语法:构词法讲解及练习

高中英语必修4 Unit 5语法教学案Section ⅢGrammar—构词法语法图解【探究发现】①chairman主席newspaper报纸hometown 家乡airport 机场sunrise 日出②dislike 不喜欢incorrect 不正确的unlucky 不走运的retell 复述telephone 电话③reader 读者inventor 发明家Chinese 中国人Indian 印度人artist 艺术家kindness 和蔼operation 手术④water 水/浇水dry 干的/弄干book 书籍/预订nurse 护士/护理better 更好/改善[我的发现](1) ①组中的单词是将两个单词合并在一起,形成一个新的单词。
这种构词法被称之为合成法。
(2) ②组中的单词都是在各自的词根前加了不同的前缀,如dis-,in-,un-,re-,tele-等。
(3) ③组中的单词是在各自的词根后加了不同的后缀,如-er, -or, -ese, -ian等。
(4) ②③组中单词的构词法被称之为派生法。
(5) ④组中的单词所展示的构词法被称之为转化法。
英语中词的构成方法主要有三种:合成、派生和转化。
一、合成由两个或更多的词合成一个词,有的用连字符“-”连接,有的直接写在一起,还有的由分开的两个词构成。
1.合成名词构成方式举例构成方式举例名词+名词weekend周末动词+名词postcard明信片名词+动词daybreak破晓动词-ing+名词waiting-room候车室名词+动词-ing handwriting书法形容词+名词fastfood 快餐构成方式举例构成方式举例名词+动词-ing English-speaking讲英语的形容词+名词part-time兼职的名词+动词-ed state-owned国有的形容词+动词-ing good-looking相貌好的副词+动词-ed widespread分布广的形容词+名词+-ed warm-hearted热心的构成方式举例构成方式举例形容词+名词sometimes有时副词+名词indoors在室内介词+名词alongside在一边副词+介词nearby附近4.构成方式举例代词宾格+self herself她自己himself他自己物主代词+self myself我自己yourself你自己形容词+名词anything任何东西somebody某个人5.合成动词构成方式举例名词+动词sunbathe晒太阳typewrite打字形容词+动词whitewash粉刷safeguard保卫副词+动词overthrow推翻upset使生气[名师点津](1) 合成词的复数形式通常是把前面的主体名词变复数。
人教版新课标必修四第五单元Unit5Grammar构词法非常实用的课件

a __h_a_n_d_-_m_a_d_e__ card a card that is made by hand __h_e_a_r_t-_f_e_lt___ thanks thanks that can be felt by heart
compounding [ 'kɒmpaʊndɪŋ] (合成 )
a __g_o_o_d_-_l_o_o_k_in_g___ girl a girl that looks good a __h_a_r_d_-_w_o_r_k_in_g___ student a student who works hard _E_n_g_li_s_h_-_sp_e_a_k_i_n_gcountriescountries that speaks English __p_e_a_c_e_-l_o_v_in_g_ people people who loves peace
derail
detrain
脱轨
下火车
detour 绕道
表否定意 义的前缀
depart 离开,出发
derivation [‘derɪ’veɪʃn] 派生
1.en-n. / v. 使进入 …
encage
endanger
表示空间位置 关系的前缀
危及,使遭受危险
en-n. 使具有…
encourage entitle 使有资格;给…定名
abnormal特殊的,变态的 apolitical 对政治不感兴 趣的,
高中英语必修四BOOK 4 Unit 5 Theme parks 构词法讲解及练习题(含答案)

BOOK 4 Unit 5 Theme parks 构词法讲解及练习题语言点讲解1.合成: 有两个或更多的词合成一个词。
复合名词class + room = classroom (名词+名词)black+ board= blackboard (形容词+名词)复合形容词warm + heart + ed = warmhearted 热心肠的good + looking = good-looking 相貌好看的world +wide= worldwide 世界性的hard+ working=hard-working 努力工作的复合动词over + come = overcome克服(副词+动词) 复合数词fifty+ four= fifty-four 复合代词everyone ,somebody, anything, nobody ( 不定代词+名词) 复合副词down+ stairs = downstairs在楼下( 形容词+名词)whole+ heartedly =wholeheartedly 全神贯注地(副词+副词)2. 派生是通过在词根上加前缀或者后缀构成一个新词。
happy --- unhappy develop --- development前缀: 一般只引起意思上的变化而不造成词类的变化,只有少数能引起词类的变化。
mis- 错误的+ understand v. 理解--- misunderstand v. 误解en + large adj. 大的--- enlarge v. 扩大后缀: 一般只引起词性上的变化而不造成意思的变化。
care v. 照料--- careful adj. 细心的work v. 工作--- worker n. 工人常见的前缀(A)表示否定的前缀:un---unfair, unhappynon----nonsmoker (常用在n. adj. adv. 前)in----inactive (常用在adj.前dis----disagree, disappear, dislikeim----impolite, impossible (用在b,p,m 开头的词前)(B).表示错误或失误的前缀: mis---misunderstand, misdirect(误导)(C)表示两个,双边的前缀:bi- bicolor ( 双色的), bicycle(D)表示相互, 交互, 在一起的前缀inter—interview, international, internet(E)表示又,再,重新的前缀re—review, return, rewrite(F)表示远的前缀tele– telephone, television常见的后缀动词变名词:-tion educate--education, invite---invitation, predict---prediction-ment development, movement, disappointment-er teacher, worker, runner, singer-or visitor, sailor, tutor, actor名词后缀补充: -ist ( 人, 名词后缀) science--scientist, terror--terrorist-ese( 民族,语言,名词后缀) Chinese, Japanese形容词变名词-ness good—goodness, happy-happiness, busy-business , care—careless--carelessness-ity able--ability, possible--possibility名词变形容词:-y: windy, rainy, healthy, cloudy, funny, sunny-ish: foolish, childish, girlish -some: handsome, troublesome-ous: dangerous, humorous-ful: helpful, careful, peaceful, colorful-less: homeless, helpless, careless ,useless-ed surprised, bored ,excited ,relaxed, interested-ing surprising, boring ,exciting ,relaxing, interesting, outstanding名词变形容词-al: traditional, international, nature--natural5. 名词、形容词变动词:-ify: beauty-beautify, simple--simplify-ize: realize-en: quicken, sharpen , widen3. 转化: 是指有一种词类转化为另一种词类。
2020-2021学年英语人教版必修4:Unit 5 Ⅲ Grammar——构词法

6.There must be some _m_i_s_u_nd_e_r_s_ta_n_d_i_n_g (understand) between them; we should try to help them get rid of it.
7.Students are advised to keep the list of books near the desk for easy __r_e_fe_r_e_n_c_e_ (refer).
1.合成名词
2.合成形容词
3.合成副词
4.合成代词 5.合成动词
[名师点津] (1)合成词的复数形式通常是把前面的主体名 词变复数。若没有主体名词,则在最后一个词后面加复数形式。 例如:father-in-law→fathers-in-law, grown-up→grown-ups。
(2)由 man 和 woman 构成的合成名词变复数时,两个名词 都要变成复数。例如:woman doctor→women doctors。
Social science majors are not only ⑤experiencing success in their ⑥long-term company jobs, but they are also finding jobs more easily. A study showed that many companies had filled a large ⑦percentage of their ⑧entry-level positions with social science graduates.
Unit 5
Theme parks
Section Ⅲ Grammar——构词法
2017-2018学年高中英语 Unit 5 Theme parks Section Ⅳ Grammar-构词法课时作业 新人教版必修4

Unit 5 Theme parksSection ⅣGrammar——构词法Ⅰ.单句语法填空1.It is certainly (certain) fun but the lifestyle is a little unreal.2.He had misread (read) a road sign and taken the wrong way.3.It is hoped that natural (nature) resources will be found on Mars.4.He was one of the greatest thinkers (think) and had a great effect on Chinese culture.5.The boy didn't pass the entrance examination,so his parents were unhappy (happy) about the result.6.On New Year's Day,we visited every neighbor in the village and were greeted warmly (warm) at each house.7.Many accidents are caused by some drivers' carelessness (careless).8.After a long discussion (discuss) with her father,she decided not to take the job.9.The Great Wall in China left a deep impression (impress) on the people all over the world.10.Father looked at the result of his son's examination with satisfaction(satisfy).Ⅱ.阅读理解I recently booked tickets to take my children, aged seven and nine, to see The Railway Children at the theatre. Thinking they may get more out of it if they already knew the story, I ordered the book to read to them. I'm slightly ashamed (羞愧的) to say we only managed to read a few parts of the book. While everyone loved the film and the play was excellent, as far as a reading experience goes, for me at least, it was quite hard to stand.It wasn't because the language was difficult, but because the writer seemed to use 10 sentences when one would probably work. But, as a booklover, hoping that my children would read widely, I thought, “Is it important that they read the classics (经典著作)?”My friend Pandora thinks children's classics are just for school. She said, “Unless they had great adventure, then they won't keep the parent or the kid gripped while reading together.”Another friend of mine Clare believes it is important that her children read the classics and revisit them again when they are older.Camilla, my sisterinlaw, makes a very good point that books like The Railway Children were written in a different period of time with a different lifestyle in mind. She said, “I think the issue is that books are written for people who have less time now, while the classics were people's entertainment, so the writing had to be long and drawn out.”Nowadays, children may feel that when they read a book from the past, they have to struggle through a lot of difficult writing, only to find that not much happens. If that's the case, they might enjoy the books more in simplified versions (简化版) or by having the books read to them as a bedtime story.“Some people seem to refuse books in simplified versions, but I don't think there's anything wrong with reading a classic novel in a simplified version first, and then later in life moving to the full version,” Camilla said. It sounds lik e excellent advice.【文章大意】一些经典书籍对于现在的小孩而言过于枯燥,那么现在的小孩应该阅读经典书籍吗?1.What does the underlined word “gripped” in Paragraph 3 mean?A.Attracted. B.Disappointed.C.Touched. D.Frightened.解析:A 词义猜测题。
构词法练习题

构词法练习题构词法练习题构词法是语言学中的一个重要分支,它研究词汇的构造和形成规律。
通过构词法的学习,我们可以更好地理解词汇的内涵和外延,提高我们的语言运用能力。
下面是一些构词法的练习题,希望能够帮助大家巩固知识。
一、合成词合成词是由两个或多个词根组合而成的词语。
请根据下列词根,构造出合适的合成词。
1. 门 + 窗 = __________2. 飞 + 机 = __________3. 电 + 脑 = __________4. 草 + 原 = __________5. 早 + 饭 = __________二、派生词派生词是通过在词根或词干上加上前缀或后缀来构成的新词。
请根据下列词根和前缀/后缀,构造出合适的派生词。
1. 美 + 丽 = __________2. 快 + 乐 = __________3. 智 + 能 = __________4. 勇 + 敢 = __________5. 诚 + 实 = __________三、转化词转化词是通过词类的转化来构成的新词。
请根据下列词语,将其转化为不同的词类。
1. 快乐(形容词)= __________2. 读书(名词)= __________3. 跑(名词)= __________4. 高兴(副词)= __________5. 美丽(动词)= __________四、缩略词缩略词是将一个词或短语中的一个或几个字母省略,用剩下的几个字母或字母组合代替的词语。
请根据下列短语,写出对应的缩略词。
1. 中国科学技术大学 = __________2. 南京大学 = __________3. 人民币 = __________4. 世界卫生组织 = __________5. 信息技术 = __________五、构词法的应用构词法不仅仅是一种语言学理论,它在实际的语言运用中也发挥着重要的作用。
请结合自己的实际情况,举例说明构词法在日常生活中的应用。
六、构词法的意义构词法的研究对于我们深入理解语言的本质和规律具有重要意义。
b4u5 构词法

【解析】
developing country “ 发 展 中 国 家 ” ,
developed country “发达国家”;developed 为过去分词作定 语, highly 是副词,意为 “ 高速地,快地 ” ,常用来表达一 些抽象的含义,而 high 多表示具体的含义。句意为:本世纪 中期中国将成为一个高度发达的国家。 【答案】 D
international国际的 subway地铁
数后缀同时会改变词义。
(1)构成名词的后缀常用的有:-ence,-(e)r/or(从事某事 的 人 ) , -ese( 某 地 人 ) , -ess( 雌 性 ) , -ful( 一 „„ 的 量 ) , -ian(精通„„的人),-ist(专业人员),-ment( 运动;结果), -ness(性质;状态),-tion(动作;过程)等。 Japan日本→Japanese日本人 act表演→actress女演员 mouth口→mouthful一口 music音乐→musician音乐家 art艺术→artist艺术家 move运动,移动→movement运动 happy高兴的→happiness高兴 important重要的→importance重要性 translate翻译→translation翻译
violence暴力→nonviolence非暴力反抗;非暴力主义
前 缀
意
义
用
法
例词
imir-
不, 非 (= not) 不,非 不,非
Imbalance, 用在字母 immoral, b,m,p之前 impossible 用在字母r irregular(不规则 的) 之前 illegal(不合法的) 用在字母l illogical(不合逻辑 之前
必修四unit5:构词法(14页,含答案解析)

【原创推荐】2013-2014学年度中考二轮复习专题强化小题狂练:构词法1.Which of the following words is a homophone?A. BTWB. WBQC. CSLD. gr82.Jones won the gold medal in the _____ race in the 27th Olympic Games.A. women’s 100- metersB. women’s 100-meterC. women’s 100 metersD. women 100 meter3.It’s about _______walk from here to the bus station.A.two hoursB. two-hoursC. two hours’D. two hour’s 4.Mike is _______ boy.A. one 11-years-oldB. one 11-years oldC. one-11-year-oldD. an 11-year-old5. Our teacher is Tony Brown. We call him(称呼他)A. Mr. TonyB. Mr. BrownC. Mrs. TonyD. Mrs. Brown 6.After playing football for more than half an hour, the students took ______ rest.A. a ten--- minuteB. a ten minu te’sC. a ten-minutes’D. a ten-minute’s8.He is a boy.A. 11B. 11 years oldC. 11- year-oldD. 11-years-old 9.Mary won in the_______ race last week.A. woman’s 400—meterB. woman’s 400—metersC. women’s 400—meterD. women’s 400—meters10.—We’ll have _______ holiday in June. Will you go home?—No. If I go home, I’ll have to take_______ ride.A. a one-week; seven daysB. an one-week; a seven day’sC. a one-week; a seven days’D. an one-week’s; a seven days’11.His daughter is _________ girl.A. a eight-year-oldB. an eight-year-oldC. an eight-years-oldD. a eight years old12.We'll be away for two weeks because we'll have a ___________.A. two-weeks holidayB. two weeks' holidaysC. two- week holidayD. two-weeks' holiday13.–It’s said that we'll have a ________ the coming May Day. –That’s so good.A. three-days holidayB. three-days' holidaysC. three-day holidayD. three-days' holiday17.It’s an ________well (井). Stay away from it.A. one meter deepB. One-meter-deepC. 18 meters deepD. 18-meter-deep18.—What do you plan to do on the ___________ May Day holiday?—I have no idea. Probably, I will spend it by doing many papers.A. three-dayB. three-daysC. three daysD. three day’s 19.— How amazing the noodle is!— Yes, it is___ . And breaks the Guinness World Record as the longest hand made noodle.A. 1,704-meter-longB. 1,704-meters-longC. 1. 704 meter longD. 1,704 meters long20.In the traffic accident, an _______ girl was badly hurt this morning.A.eight-years-oldB.eight year oldC.eight-year-oldD.eight-years old21.The main character of this game is _______girl. She saves her father in the end.A. a 15 years oldB. a 15-year-oldC. a 15-years-oldD. an 15-years-old22.The Wangs will have _______ holiday in America.A. three weeksB. three weekC. three-weekD. a three-week23.My father will have a holiday next month. He'll take me to Qingdao.A. ten daysB. ten day'sC. ten-daysD. ten-day24.Tom is ____________ boy now.A. a 11-years-oldB. a 11-year-oldC. an 11-year-oldD. an 11-years-old25.The twins has studied in this school ________ .A. two years agoB. since two years agoC. for two yeas agoD. since two years26.David is . He is from .A. English; EnglandB. English; EnglishC. England; EnglandD. England; English27.The old man is my grandfather.A. eighty-years-old; likeB. eighty-year-old; likesC. eighty-year-old; likeD. eighty years old; likes28.My new friend is a ____ bo y.A.fifteen-year oldB.fifteen-years-oldC.fifteen years oldD.fifteen-year-old29.—How amazing the noodle is!—Yes, it is ___, and breaks the Guiness World Record as the longest handmade noodle.A. 1704-meter-longB. 1704-meters-longC. 1704 meter longD.1704 meters long30.Although he is only a _____ boy. He knows a lot.A. five year oldB. five-year-oldC. five-years-oldD. five-year-olds31.We all know that paper burns in _________ .A. CO2B. N2C. O2D. CO32.Lisa is only an_____girl,but she carn draw very well.A. 8-year-oldB. 8 years old C.8-years-old33.---- You like to surf the Internet. Do you know the meaning of “WWW”? ---- Of course. It means _______.A. World Wide WorkB. Whole World We atherC. World Wide WebD. Whole World Warm35._____should not be allowed to go out at night.A. Twelve-year-oldB. Twelve-year-oldsC. Twelve year oldD. Twelve years old36.If H2 burn in O2, we can get _____.A. H2B.H2OC.O2D.H2O237.下面组中的字母顺序前后是正确的。
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Ⅰ.单项填空1.That man was________enough not to tell the manager that he would not do the job.A.careB.carefulC.carelessD.carelessness2.The soldier died for saving the child,so his________ is heavier than Mount Tai.A.dieB.deadC.diedD.death3.The child looked________at his brother who was badly wounded.A.sadlyB.sadnessC.sadlyD.sad4.He is an expert at chemistry.We all call him a ________.A.chemistryB.chemicalC.chemistD.physician5.The three- ________chair is n’t suitable for a young child.He may fall off.A.leggingB.leggedC.legsD.leged6.Stephenson became the________railway engineer in the world.A.leadB.leaderC.leadingD.leadership7.When the teacher praised him for working out the maths problem,Jack looked________about at his classmates.A.proudB.proudlyC.prideD.pridely8.To everyone’s ________,the girl finished the job quite well.A.satisfiedB.satisfactoryC.satisfyingD.satisfaction9.—What are you doing here?—Oh,my teacher asked me to write a passage about ________in English.—You can write________passage in English?A.600 words;a 600-wordsB.600-word;a 600-wordsC.600 words;a 600-wordD.600 words;a 600-words10.No one should enter the spot without the________of the police.A.permitB.permissionC.permittingD.permittence11.You must come with us to the police ________.Our head is waiting for you.A.headquartersB.headlineC.headmasterD.headache12.Letting that animal escape was no accident;you did it ________.A.intendB.intentionC.intentionallyD.intentional13.The shop owner welcomed all the guests with a________smile.A.practiceB.practiseC.practicalD.practiced14.The________ordered him to pay a $100 fine.A.judgerB.judgmentC.judgeD.judgement15.My TV is out of order.Can you tell me what is the________news about Iraq War?telytesttertter16.The Great Wall is more than 6000 li in ________.A.longerB.lengthC.longD.longing17.To my ________,I passed the exam easily.A.joyB.joyfulC.joylessD.joyness18.Canada is mainly an________country.A.English-speakingB.speak-EnglishC.spoken-EnglishD.English-spoken19.How________ he is! He is always acting________.He is really a ________.A.foolish;foolishly;foolB.fool;foolish;foolC.foolish;fool;foolD.foolishly;foolish;fool20.The necklace that she lost is very expensive.It’s of great ________.A.valuableB.valueC.valuelessD.unvaluable21.There were________fish in the river in South America.A.in dangerB.dangerC.dangerousD.dangerless22.The letter “b” in the word “doubt” is________.A.soundB.silentC.silenceD.sounded23.The child looked at me________.A.strangerB.strangelyC.strangeD.strangeless24.The black people were against slavery and fought for their________bravely.A.freeB.freelyC.freedomD.frees25.What you said sounded________ but in fact it was untrue.A.reasonableB.reasonfulC.reasonlessD.unreason26.We have to learn________technology from other countries.A.advanceB.advancingC.advantageD.advanced27.The children live in a village ________.They come here almost every day.A.nearbyB.nearC.nearlyD.near by28.Mr Black is an ________in the army,not an________in the government.You can not easily find him in his________.A.official;officer;officeB.officer;office;officialC.official;official;officialD.officer;official;office29.You’d better give up smoking if you want to keep ________.A.healthB.healthyC.healthilyD.healthier30.________ speaking,I didn’t do it on purpose.A.HonestlyB.HonestC.HonestyD.Dishonest31.It sounds like a good plan,but there are some________difficulties in carrying it out.A.practicedB.practicalC.practiceD.practicing32.His father possesses a________factory,which does most of the pollution to this river.A.paper-makeB.paper-makingC.papers-madeD.paper-made33.Marx left his homeland for some________reasons.A.politicallyB.politicsC.politicalD.politician34.It’s________to persuade him to give up smoking.He’s very stubborn.A.possibleB.possiblyC.impossibleD.impossibility35.Dan caught two________birds in the wood last week and they are still________in the cage.A.alive;liveB.live;liveC.live;aliveD.alive;alive36.The doctor said that the old man’s condition was________and that they had tried their best.A.hopeB.hopedC.hopefulD.hopeless37.Ann felt so________that she could hardly open her eyes.A.sleepyB.asleepC.sleepD.sleeping38.We stood there________at the________sight.A.frightened;frightfulB.frightening;frightfulC.fright;frighteningD.frightful;fright39.The doc tor’s advice________him from drinking and smoking.A.encouragedB.couragedC.encouragementD.discouraged40.I’d like to buy a house,modern,comfortable and above all in a quiet ________.A.neighbourB.neighbourhoodC.neighboursD.neigh bour’sⅡ.改错练习(每小题有一个构词法错误,请找出并更正)1.The Milu deer are living in the wild in a natural park.2.This blouse is fit for him at all. It’s too long and the color has run.3.The possibly that the majority of the labor force will work at home is often discussed.4.We must strength government of the people,by the people and for the people.5.The sperm whale can dive to a deep of more than 1000 meters in the sea.6.He is a very famous actress. He has played many important parts in different films.7.Personal,I’d ra ther stay at home watching TV.8.Because of her ill,she can’t go out for the sight-seeing.9.Thank you for your describe of the conditions here.10.It’s really dust in this room.It’s a long time since someone last lived in it.11.We all don’t know how dar k happens.12.He opened the envelope,folded the letter and began to read it.13.She offered us lots of value information,which played an important part in catching the thief.14.We wish you a pleasure journey back home.15.The captain made an apologize to the passengers for the delay caused by bad weather.16.I wish that you could interview these journals who come.17.Coral is not a plant but a various of animal life.18.In my opinion, Harry is the most suitful person for the job.19.The food was good but the serve was poor.20.This meeting is of great important to all of us.21.There comes a large collection of soldiers in the distant.22.When he got to the destination,he was quite out of breathe.23.Traditionally(传统上) speaking,Russia is a Europe country.24.“Actual” means “in fact”,and we can also use “as a matter of fact”.25.It is possible to persuade Adam to give up that decide.26.The doctor said that the patience was comfortable after the operation.27.Some people say that this new discover might change the whole society completely.28.The Chinese government treasure the friendly between the people of two countries and we are waiting for a peaceful settlement of this matter.29.She was afraid of high and dared not jump out of the plane.30.Her mother died of hungry after the flood.31.I bet you are mistake this time.32.The man said that he was merely a pass-by and that he didn’t watch the accident.33.—Do you follow me?—Yes,perfect.34.Personal possess of guns causes lots of troubles in the USA.35.The greatest wealthy is being content with a little.36.I believe our dream that humans will travel to and from the moon will come truth one day.37.Fail is the mother of success.38.Every year millions of visiters come to visit the dams.39.The Chinese people are building socialist and have achieved great progress.40.People all went up to offer their congratulate on their winning the key match.III. 填空1. The mother didn’t know why her daughter was crying _______. (noise)2. He was one of the best _______ i n yesterday’s football match. (play)3. Look! How ______ Kate is laughing! (happy)4. It snowed _____ last night and now the streets are covered with snow. (heavy)5. Edison was a great ______. During his life he had many ______. (invent)6. More and more _____ have come to visit China over these years. (foreign)7. We want _________ reasons for your failure to help. (satisfy)8. Please give me some reference work. It will ______ my task. (simple)9. The boy had the _______ of being half starved. (appear)10. The police have _______ a plot against the President. (cover)11. The doctor said that Mary’s mother needed an _______.(operate)12. She hoped that her son would become a _______. (music)13. Few ______ words made us excited. (speak)14. The days on the moon get hotter than ______ water. (boil)15. Thank you for your _________. (kind)16. Many college students work while they are studying because they want to make some moneyfor their college _____. (expensive)17. Most international ______ letters are written in English, too. (busy)18. The boy noticed an ______ mistake on his paper, but he decided not to say anything about it.(correct)19. When in Rome, do as the _____ do. (Rome)20. The teacher was pleased with her _______. (honest)答案Ⅰ.单项填空1~5 BDACB 6~10 CBDCB11~15 ACDCB 16~20 BAAAB21~25 CBBCA 26~30 DADBA31~35 BBCCC 36~40 DAADBⅡ.改错练习1.natural→nature2.fit→unfit3.possibly→possibility4.strength→strengthen5.deep→depth6.actress→actor7.Personal→Personally8.ill→illness9.describe→description 10.dust→dusty11.dark→darkness 12.fold→unfolded13.value→valuable 14.pleasure→pleasant15.apoligize→apology 16.journals→journalists17.various→variety 18.suitful→suitable19.serve→service 20.important→importance21.distant→distance 22.breathe→breath23.Europe→European 24.Actual→Actually25.decide→decision 26.patience→patient27.discover→discovery 28.friendly→friendship29.high→height 30.hungry→hu nger31.mistake→mistaken 32.pass-by→passer-by33.perfect→perfectly 34.possess→possession35.wealthy→wealth 36.truth→true37.Fail→Failure38.visiters→visitors39.socialist→socialism40.congratulate→congratulationsIII. 填空1. noisily2. players3. happily4. heavily5. inventor; inventions6. foreigners7. satisfactory8. simplify9. appearance 10. uncovered 11. operation 12. musician 13. spoken 14. boiling 15. kindness16. expenses 17. business 18. uncorrected 19. Romans 20. honesty。