《湖北省北大附中武漢為明實(shí)驗(yàn)學(xué)校九年級(jí)英語(yǔ)全冊(cè) Unit 3 Could you please tell me where the restrooms are Section B課件 （新版）人教新目標(biāo)版》由會(huì)員分享，可在線閱讀，更多相關(guān)《湖北省北大附中武漢為明實(shí)驗(yàn)學(xué)校九年級(jí)英語(yǔ)全冊(cè) Unit 3 Could you please tell me where the restrooms are Section B課件 （新版）人教新目標(biāo)版（77頁(yè)珍藏版）》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。

1、Unit 3Could you please tell me where the restrooms are?Look at the following pictures.What qualities are important for each place? restroomcleanparkbeautifulcleanmallinexpensiveconvenientsafemuseuminterestingquietrestaurantdelicious,cleansubwayuncrowdedcleanMatch the adjectives with their opposites.

2、 ( () () () )1. crowded A. safe 2. dangerous B. inexpensive3. dirty C. big4. expensive D. beautiful5. small E. clean6. ugly F. uncrowdedTalk about the places in your city, using the words above.A: The Fine Arts Museum is really interesting.B: Yes, and its beautiful, too.A: The Peoples Park in the mi

3、ddle of our city is really beautiful.B: Yes, and its interesting, too.A: The food of the restaurant near our school is really delicious.B: Yes, and its inexpensive, too.A: There are many books and magazines in the city library.B: Yes, and its clean and quiet, too.1a What qualities are important for

4、each place? Write the words from the box next to each place below. Write the most important words first.interesting fascinating inexpensive quiet uncrowded big beautiful convenient safe cleanPlacesQualities1.restroomclean,2. museum3. restaurant4. park5. subway6. mallfascinatingcleaninterestingconven

5、ientbig1b Talk about places in your city using the words in 1a.A: The Fine Arts Museum is really interesting.B: Yes, and its beautiful, too.1c Listen to the conversations and complete the sentences.Conversation 1The boy asks about _ , and the clerk tells him to go to Green Land.Conversation 2The gir

6、l asks about _ , and the clerk tells her to go to the corner of Market and Middle Streets.a good place to eatpublic restroomsConversation 3 The mother asks about _. The father wants to go to a _museum. The younger girl wants to go to a _museum . The boy wants to go to a _museum. The older girl wants

7、 to go to an_ museum . The clerk suggests they go to the _ museum .a good museumhistorysciencechildrensartcomputer1D. LISTEN AGAIN. CHECK YOUR ANSWERS IN 1C.1e Role-play the conversations between the clerk and the tourists.A: Can you tell me where theres a good place to eat?B: Of course. What kind o

8、f food do you like?A: .2a Where do you need to make polite requests? Think of some possible situations. Discuss them with your partner. Use more words to help you sound more polite. It is important to know how to make requests politely. Good English speakers need to know how to speak politely. The c

9、hoice of language dependson the situation and the relationship between the speakers.Paragraph 1Paragraph 2Paragraph 3Paragraph 4Could You Please .? When you visit a foreign country, it is important to know how to ask for help politely. For example, you may ask“ Where are the restrooms?” or “Could yo

10、u please tell me where the restrooms are?” These are similar requests for directions. Both are correct, but the first one sounds less polite. Underline the topic sentence for each paragraph.2b Read the article That is because it is a very direct question. It is not enough to just ask a question corr

11、ectly. We also need to learn how to be polite when we ask for help.Good speakers change the way they speak in different situations. The expressions they use might depend on whom they are speaking to or how well they know each other. It is all right to ask direct questions to your classmates because

12、you know them well. However, If you say toyour teacher, “When is the school trip?”, this might sound impolite. But if you say, “Excuse me, Mr. West. Do you know when the school trip is?”, this will sound much more polite. Usually polite questions are longer. They include expressions such as “Could y

13、ou please .?” or “May I ask .?” It sounds more polite to say, “Peter, could you please tell me your e-mail address?” than “Peter, tell me your e-mail address.” Sometimes we even need to spend time leading in to a request. For example, we might first say to a stranger, “Excuse me, I wonder if you can

14、 help me” or “Im sorry to trouble you, but .” before asking for help.It might seem more difficult to speak politely than directly. However, it is important to learn how to use the right language in different situations. This will help you communicate better with other people. 1. inexpensive 不昂貴的，便宜的

15、不昂貴的，便宜的 inexpensive形容詞形容詞,意為意為“不昂貴的不昂貴的”，其，其同同義義 詞為詞為 cheap,反義詞為反義詞為 expensive/dear。 inexpensive是由是由expensive加上加上否定前綴否定前綴in-構(gòu)構(gòu) 成的。成的。 The sweater is inexpensive.這件毛衣不貴。這件毛衣不貴。Language Points dis-表示表示“不不;非；相反非；相反”，如：，如： like喜歡喜歡 dislike 不喜歡；不喜歡； agree 同意同意disagree 不同意。不同意。 in-(im-，ir-)表示表示“不；非不；非”，如

16、：，如： expensive 昂貴的昂貴的 inexpensive便宜的；便宜的； polite禮貌的禮貌的 impolite不禮貌的不禮貌的; regular有規(guī)律的有規(guī)律的 irregular無(wú)規(guī)律的。無(wú)規(guī)律的。un-表示表示“不，非不，非”，如：，如： able有能力的有能力的 unable無(wú)能力的；無(wú)能力的； like像像unlike不像；不像； crowded擁擠的擁擠的 uncrowded不擁擠的；不擁擠的； 陳述句中如果有帶否定前綴或后綴的陳述句中如果有帶否定前綴或后綴的單詞，單詞， 整個(gè)句子仍被視為肯定句，整個(gè)句子仍被視為肯定句，反反意疑問(wèn)部分用否定形式意疑問(wèn)部分用否定形式。

17、She is unhappy, isnt she? 她不高興，是嗎？她不高興，是嗎？2. convenient 便利的便利的；方便的；方便的convenient形容詞，意為形容詞，意為“便利的便利的;方便的方便的”，其主語(yǔ)不能是表示人的詞，常用于句型其主語(yǔ)不能是表示人的詞，常用于句型Its convenient for sb. to do sth.，意為，意為“對(duì)于對(duì)于某人來(lái)說(shuō)做某事是方便的某人來(lái)說(shuō)做某事是方便的”。Its convenient for us to start working right now. 我們立刻開始工作是方便的。我們立刻開始工作是方便的。convenience是是c

18、onvenient的名的名詞詞形式形式，既可作既可作可可數(shù)數(shù)名詞，意為名詞，意為“便利的設(shè)施便利的設(shè)施”，也可作，也可作不可不可數(shù)數(shù)名名詞，意為詞，意為“方便，便利方便，便利”。 The house has all the modern convenience. 這所房子配有各種現(xiàn)代化便利設(shè)旅。這所房子配有各種現(xiàn)代化便利設(shè)旅。 I keep my books near my desk for convenience. 為了方便為了方便,我把書放在書桌旁。我把書放在書桌旁。3. and the clerk tells her to go to the corner of Market and M

19、iddle. 工作人員告訴她去市場(chǎng)大街和中心大街工作人員告訴她去市場(chǎng)大街和中心大街 交匯的拐角處。交匯的拐角處。corner是可數(shù)名詞是可數(shù)名詞,意為意為“拐角拐角;角落角落”。常構(gòu)成短語(yǔ)常構(gòu)成短語(yǔ)：in the corner of.意為意為“在在.的拐角處的拐角處/角落里角落里” I found a boy crying in the comer of the room. 我發(fā)現(xiàn)一個(gè)男孩在房間的角落里哭。我發(fā)現(xiàn)一個(gè)男孩在房間的角落里哭。on/at the corner意為意為“在拐角處在拐角處”。 The shop is on the corner. 那家商店在拐角處。那家商店在拐角處。4.

20、 When you visit a foreign country, it is important to know how to ask for help politely. 當(dāng)你去國(guó)外旅游時(shí)，知道如何禮貌當(dāng)你去國(guó)外旅游時(shí)，知道如何禮貌 地尋求幫助地尋求幫助 很重要。很重要。 politely作副詞作副詞,意為意為“禮貌地禮貌地;客氣地客氣地”，其反，其反 義義詞為詞為impolitely(無(wú)禮地?zé)o禮地;粗魯?shù)兀?；粗魯?shù)兀?；polite是其形容是其形容詞形式，反義柯為詞形式，反義柯為impolite(無(wú)禮的）。無(wú)禮的）。 He is a polite child. He speaks to

21、everyone politely. 他是個(gè)有禮貌的孩子。他對(duì)每個(gè)他是個(gè)有禮貌的孩子。他對(duì)每個(gè) 人說(shuō)話都很有禮貌。人說(shuō)話都很有禮貌。 polite + -ly politely (adj. 有禮貌的有禮貌的) (adv. 有禮貌有禮貌地地) impolite + -ly impolitely(adj. 無(wú)禮無(wú)禮的的) (adv. 無(wú)禮地?zé)o禮地)5. For example, “Where are the restrooms?” or “Could you please tell me where the restrooms are?” are similar requests for dire

22、ctions to a place.例如，例如，“公共廁所在哪里公共廁所在哪里?”和和“您能告訴我公您能告訴我公共廁所在哪里嗎？共廁所在哪里嗎？ ”是詢問(wèn)地點(diǎn)的類似的請(qǐng)求。是詢問(wèn)地點(diǎn)的類似的請(qǐng)求。request是是可數(shù)名同可數(shù)名同，意為，意為“要求要求;請(qǐng)求請(qǐng)求”，其其后后 常接常接“for +名間名間”,意為意為“的要求的要求/請(qǐng)請(qǐng)求求”。 We must make a request for help. 我們必須請(qǐng)求幫助。我們必須請(qǐng)求幫助。request用作用作及物動(dòng)詞及物動(dòng)詞，意為，意為“要求；請(qǐng)求要求；請(qǐng)求”。 常見用法如下：常見用法如下：request sth. ( from/of

23、sb.)意為意為“（向某人向某人） 請(qǐng)求某物請(qǐng)求某物”。He requested some hot water from me. 他向我要了些熱水。他向我要了些熱水。request sb. to do sth.意為意為“請(qǐng)求某人做某請(qǐng)求某人做某事事”。 They requested him to leave at once. 他們要求他立刻離幵。他們要求他立刻離幵。request + that從句（從句（從句用從句用虛擬語(yǔ)氣，虛擬語(yǔ)氣，謂語(yǔ)動(dòng)詞用謂語(yǔ)動(dòng)詞用“ should +動(dòng)詞原形動(dòng)詞原形 should可省略可省略）意為意為“請(qǐng)求請(qǐng)求/要求要求” I requested that she (

24、should come an hour earlier.我請(qǐng)她早一小時(shí)我請(qǐng)她早一小時(shí)來(lái)。來(lái)。6. Both are correct English, but the first one sounds less polite. 兩者都是正確的，但第一句聽起來(lái)不如第二兩者都是正確的，但第一句聽起來(lái)不如第二 句顯得禮貌。句顯得禮貌。(1) correct此處用作形容詞，意為此處用作形容詞，意為“正確的；恰正確的；恰 當(dāng)?shù)漠?dāng)?shù)摹?，相?dāng)于，相當(dāng)于right，其副同形式為，其副同形式為correctly. I can tell you the correct answer. 我可以告訴你正確答案。我可以告

25、訴你正確答案。 correct用作動(dòng)詞，意為用作動(dòng)詞，意為“改正改正”。 You must correct the mistakes in your homework. 你必須改正作業(yè)中的錯(cuò)誤。你必須改正作業(yè)中的錯(cuò)誤。one此處此處用用作代詞作代詞，指代上文提到過(guò)的人指代上文提到過(guò)的人或物或物。I have many CDs, but I like the one called Heart Strings best.我我有很多唱片，但我最喜歡有很多唱片，但我最喜歡名叫名叫心弦心弦的那的那一張。一張。7. That is because it is a very direct question.

26、 因?yàn)樗且粋€(gè)很直接的問(wèn)題。因?yàn)樗且粋€(gè)很直接的問(wèn)題。(1)because it is a very direct question此處作此處作is 的表語(yǔ)，是表語(yǔ)從句。的表語(yǔ)，是表語(yǔ)從句。 The trouble is that I have lost his address. 問(wèn)題是我把他的地址丟了。問(wèn)題是我把他的地址丟了。(2)direct此處用作形容詞，意為此處用作形容詞，意為“直接的直接的;直直率的率的”，其反義詞為，其反義詞為indirect,意為意為“間接的間接的”,副副詞為詞為directly,意為意為“直接地直接地”。 Youll have to get used to hi

27、s direct manner. 你得慢慢習(xí)慣他這種直率的方式。你得慢慢習(xí)慣他這種直率的方式。8. Usually polite questions are longer and include more language such as “Could you please .?” or “Can I ask .?” 有禮貌的問(wèn)句通常更長(zhǎng)一些，而且包括像有禮貌的問(wèn)句通常更長(zhǎng)一些，而且包括像 “Could you please .?” 或或“Can I ask .?”之之類類 的表達(dá)方式。的表達(dá)方式。 include作及物動(dòng)詞，意為作及物動(dòng)詞，意為“包括包括;包含包含”。 The price i

28、ncludes both the house and the furniture inside. 這個(gè)價(jià)格包括房子和里面的家具。這個(gè)價(jià)格包括房子和里面的家具。 including用作介詞，意為用作介詞，意為“包括；包含在包括；包含在 內(nèi)內(nèi)”,后接名詞、代詞或動(dòng)詞后接名詞、代詞或動(dòng)詞-ing形式形式。 Six people, including a baby, were injured in the accident.事故中有事故中有6人受傷人受傷，其中包括一名嬰兒。其中包括一名嬰兒。 included形容詞，意為形容詞，意為“包括在內(nèi)的包括在內(nèi)的”，通通 常置于名詞之后常置于名詞之后。 The

29、re are 100 people in this school, 20 teachers included. 這所學(xué)校有這所學(xué)校有100個(gè)人，包括個(gè)人，包括20名老師。名老師。9. Sometimes we even need to spend time leading in to a request. 有時(shí)有時(shí), 我們甚至需要花些時(shí)間來(lái)導(dǎo)入一個(gè)請(qǐng)求。我們甚至需要花些時(shí)間來(lái)導(dǎo)入一個(gè)請(qǐng)求。 lead in to意為意為“引入引入;導(dǎo)人導(dǎo)人”。其中其中in為副詞為副詞，to 為介同，為介同，其后接名詞或代詞作賓語(yǔ)其后接名詞或代詞作賓語(yǔ)。 We often use “excuse me” to l

30、ead in to a request. 我們常用我們常用“excuse me”來(lái)導(dǎo)入一個(gè)請(qǐng)求。來(lái)導(dǎo)入一個(gè)請(qǐng)求。 lead to意為意為“導(dǎo)致導(dǎo)致;通向通向”。 Too much work and too little rest often lead to illness. 過(guò)量的工作和過(guò)少的休息經(jīng)常引起疾病。過(guò)量的工作和過(guò)少的休息經(jīng)常引起疾病。 All roads lead to Rome. 條條大道通羅馬。條條大道通羅馬。10. I look forward to your reply. 我期待您的回復(fù)。我期待您的回復(fù)。(1)look forward to表示表示“盼望盼望;期待期待”，相

31、當(dāng)于，相當(dāng)于 expect，特指以特別愉快的心情期待著。，特指以特別愉快的心情期待著。 其其 中中to為介詞，后面接為介詞，后面接V-ing形式形式。 譯譯:我期待著再次見到你。我期待著再次見到你。 誤：誤：Im looking forward to see you again. 正：正：Im looking forward to seeing you again(2)reply用作名詞，意為用作名詞，意為“答復(fù)答復(fù)”，相當(dāng)于，相當(dāng)于answer, 表示表示“.的答復(fù)的答復(fù)”時(shí)，時(shí)，reply與與answer都需要與都需要與 to連用。連用。 I received no reply/answe

32、r to my request. 我的要求沒有收到任何答復(fù)。我的要求沒有收到任何答復(fù)。 reply用作用作不及物動(dòng)詞不及物動(dòng)詞，意為，意為“回答，回回答，回 復(fù)復(fù)”， reply to sb./sth.表示表示“對(duì)某人對(duì)某人/某事作某事作 出回答出回答”。 用作及物動(dòng)詞用作及物動(dòng)詞，其后其后可接賓語(yǔ)從句可接賓語(yǔ)從句。 She cried, but didnt reply. 她哭了，但沒有回答。她哭了，但沒有回答。 He didnt reply to my letter. 他沒有回復(fù)我的信。他沒有回復(fù)我的信。answer作作及物動(dòng)詞，其后可直接跟名詞或代及物動(dòng)詞，其后可直接跟名詞或代 詞作賓語(yǔ)。

33、詞作賓語(yǔ)。 Please answer my question. 請(qǐng)回答我的問(wèn)題。請(qǐng)回答我的問(wèn)題。11. Youre always in a rush to get to school on time. 你為了能準(zhǔn)時(shí)到達(dá)學(xué)?？偸羌贝掖夷銥榱四軠?zhǔn)時(shí)到達(dá)學(xué)?？偸羌贝掖?的。的。 on time意為意為“準(zhǔn)時(shí)；按時(shí)準(zhǔn)時(shí)；按時(shí)”，相當(dāng)于，相當(dāng)于: at the right time。 Please dont be late. Come here on time. 請(qǐng)別遲到，準(zhǔn)時(shí)來(lái)這里。請(qǐng)別遲到，準(zhǔn)時(shí)來(lái)這里。 in time意為意為“及時(shí)及時(shí)”。 The man was just in time for

34、 the plane. 那個(gè)人正好趕上了航班。那個(gè)人正好趕上了航班。 at times 意為意為“有時(shí)有時(shí)”相當(dāng)于相當(dāng)于sometimes. I go to school without breakfast at times. 有時(shí)我不吃早飯就去上學(xué)。有時(shí)我不吃早飯就去上學(xué)。 by the time 意為意為“到到時(shí)候；到時(shí)候；到之前之前” By the tune we got to the cinema, the film had begun. 我們到達(dá)電影院時(shí)，電影已經(jīng)開始了。我們到達(dá)電影院時(shí)，電影已經(jīng)開始了。 at the same time 意為意為“同時(shí)同時(shí)”。 The twins

35、always go to bed at the same time. 這對(duì)雙胞胎總是同時(shí)上床睡覺。這對(duì)雙胞胎總是同時(shí)上床睡覺。2c Find all the direct questions and polite requests from the passage.Direct questionsPolite requests1.2.3.1.2.3.Make a request using the pictures below.Make a request using the pictures below.Make a request using the pictures below.2d R

36、ead the requests below. In the second column, write A if you would say it to someone you know and B if you would say it to a stranger. In the last column, write where you think these people are. RequestPerson Place1. Will you pass the salt?2. Do you know where I can change some money, please? Reques

37、tPerson Place3. Could you tell me what just happened?4. Could you please tell me where the nearest station is?5. Excuse me, do you know what time it begins, please?6. Let me know when youre ready, OK?7. Could you possibly tell me the way to the village school?BAD GOODWhere are the corn chips?Theres

38、no milk left? How does this work? Slice it thicker / thinner. Give me a pound of that.How to ask politely?Could you tell me where the corn chips are, please?Is there any more milk, (please)?Can you show me how this works? (e.g. a coffee grinder)Id like it sliced thicker / thinner, please.Will you gi

39、ve me a pound of that, please? Can / Could I have a pound of that, please?3a Imagine you are going on a short study vacation at a school in an English-speaking country. What would you like to know before you go? Write some polite, indirect questions about the following topics.TopicQuestionThe course

40、 you will studyThe time of the courseWhere and what you can eatTopicQuestionWhere you will stayWhat activities you can doTravel to the schoolOther3b Write a polite letter to the school asking for the information you want to know. Use your notes in 3a.In your letter, you should: introduce yourself sa

41、y when you are coming politely ask for information thank the person for helping youuse the following expressions to help you: My name is . and Im from Ill be coming to your school for. Id like to know about . I would like to thank you for Im looking to your reply.Dear Sir or Madam,Ill be coming to y

42、our school soon for a short study vacation. Id like to know more information about your school._I would like to thank you for helping me and I look forward to your reply.Yours faithfully,_ 練習(xí)劉明有兩張下周日在劉明有兩張下周日在Hongqi Theater 舉行的演舉行的演唱會(huì)門票，他希望和剛搬到赤峰的好友唱會(huì)門票，他希望和剛搬到赤峰的好友Rob一塊一塊去，并寫信告訴他去，并寫信告訴他Hongqi Thea

43、ter的路線。請(qǐng)根的路線。請(qǐng)根據(jù)下面的額圖示完成劉明的信件。據(jù)下面的額圖示完成劉明的信件。_這是一篇這是一篇圖圖文文結(jié)合式作文，時(shí)態(tài)以一般現(xiàn)結(jié)合式作文，時(shí)態(tài)以一般現(xiàn)在時(shí)為主，根據(jù)題目提示可考慮采用下面在時(shí)為主，根據(jù)題目提示可考慮采用下面的模板。的模板。如何如何指路指路指指明明目的地目的地描述行進(jìn)路線描述行進(jìn)路線見面地點(diǎn)見面地點(diǎn)There will be a concert in Hongqi Theater.First, you can . Then turn left Then .I will meet you at the gate of.,.Dear Rob, Are you free

44、next Sunday? There will be a concert in Hongqi Theater. I have two tickets and I hope you can go with me. Now let me tall you how to get there. First , you can walk along Zhaowuda Road after you leave your home. Then turn left onto Third Street. Go straight along Third Street. When you get to Walkin

45、g Street，turn right. Then go along the street until you see Hongqi Theater on your right. I will meet you at the gate of Hongqi Theater. Yours, Liu Ming Are you free next Sunday? There will be a concert in Hongqi Theater. I have two tickets and I hope you can go with me.文章開篇自然、切題，語(yǔ)言簡(jiǎn)明扼要。文章開篇自然、切題，語(yǔ)言

46、簡(jiǎn)明扼要。正確把握了圖表信息；正確把握了圖表信息；first，then等表順序等表順序 的詞使得文章條理清晰，一目了然。的詞使得文章條理清晰，一目了然。Then go along the street until you see Hongqi Theater on your right. 文中祈使句、時(shí)間狀語(yǔ)從句等句式的使用使文中祈使句、時(shí)間狀語(yǔ)從句等句式的使用使 得文章句型豐富，長(zhǎng)短句相互交替，相得益得文章句型豐富，長(zhǎng)短句相互交替，相得益 彰。彰?！?011鹽城鹽城】14. Excuse me. Could you tell me _? It will leave at 4:00 p.m.

47、A. how will you go Shanghai B. how you will go to Shanghai C. when will the bus leave for Shanghai D. when the bus will leave for Shanghai【解析解析】從答句知問(wèn)的應(yīng)該是時(shí)間，排除從答句知問(wèn)的應(yīng)該是時(shí)間，排除A和和B。又因?yàn)橘e語(yǔ)從句必須用陳述語(yǔ)序，故選。又因?yàn)橘e語(yǔ)從句必須用陳述語(yǔ)序，故選D?！?011安徽蕪湖安徽蕪湖】48. - Could you tell me _? - You can take No. 16 bus. A. how can we get

48、to the Olympic Park B. how we can get to the Olympic Park C. how did we get to the Olympic Park D. how we got to the Olympic Park 【解析解析】特殊疑問(wèn)句做賓語(yǔ)從句時(shí)，用陳述語(yǔ)特殊疑問(wèn)句做賓語(yǔ)從句時(shí)，用陳述語(yǔ)序；可排除序；可排除A、C；根據(jù)答語(yǔ)可知問(wèn)句用一般；根據(jù)答語(yǔ)可知問(wèn)句用一般現(xiàn)在時(shí)，可排除現(xiàn)在時(shí)，可排除D；故；故B為正確答案。為正確答案?！?013銅仁銅仁】 I wonder _ at 8:00 last night? I was watching NBA. A

49、. what were you doing B. what did you do C. what you were doing D. what are you doing C【2013北京北京】I dont remember _ the book yesterday. A. where I put B. where did I put C. where will I put D. where l will put【2013漳州漳州】They wonder _ robots will make humans lose their jobs or not. A. that B. if C. whe

50、therAC【2013恩施恩施】- I wonder when _ be held. - If it _, well have it next Monday. A. the sports meeting will; doesnt rain B. will the sports meeting; doesnt rain C. the sports meeting will; will not rainA【2013湛江湛江】- I want to know _. - Sorry. Ive no idea. But she was here just now. A. where is Ann B.

51、where Ann is C. where was Ann D. where Ann was 【2013鹽城鹽城】People in Yancheng are proud of _ they have achieved in the past thirty years. A. how B. which C. what D. whenBC1.Find the direct questions and polite requests from 2b. 2. Finish writing the letter in 3b.3. Master the words and expressions in this unit.Homework