【正文】 use the right language in different situations. it 作形式主語 【梳理】 在英語中，如果主語是較長的動詞不定式或一個句子，為了保持句子結構的平衡，避免頭重腳輕，通常用 it 作形式主語放在句首，而把真正的主語放在句尾。 常見的句型有： 1) It is + adj. (+ for + sb.) + to do sth.。常用于此句型的形容詞有 important, difficult, dangerous, necessary, useful, possible 等，用來對 to do sth. 進行說明。如： It’s difficult for us to finish the work in an hour. 2) It is + adj. + of + sb. + to do sth.。常用于此句型的形容詞有 good, kind, nice, clever, wise 等，用來對 、品質等進行說明。 如： It’s kind of you to say so. Step 10 Exercises 請根據(jù)漢語意思完成下列英語句子（每空一詞）。 1. 對他來說，回答那個問題是十分困難的。 It’s very hard ____ him ____ _______ that question. 2. 你這樣說真是太好了。 It’s very kind ____ you ____ ____ so. 3. 我們在閱覽室里保持安靜是十分必要的。 It’s necessary ______ ______(should) keep quiet in the reading room. It’s necessary for us _______ ______ ______ in the reading room. Keys: 1. for。 to answer 2. of, to say 3. that we, to keep quiet Step 11 Homework Write a guide to a place that you know well. Section B 2 (3aSelf Check) Step 1 Revision 1) Write down the phrases ① 提出禮貌的要求 ② 聽起來更禮貌 ③ 一個很直接的問題 ④ 請求幫助 ⑤ 在不同的情 形下 ⑥ 取決于 ⑦ 你所用的表達方式 ⑧ 比如 ⑨ 花時間導入 ⑩ 變得更擅長 2） Fill in the blanks according to 2b. When you visit a _______ country, it is _________ to know how to ask for help ______. For example, ―Where are the restrooms?‖ or ―Could you _____ tell me where the ________ ___?‖ these are similar ________ for _________ you may ask. Both are _______ English, but the first one sounds _____ polite. That is because it is a very ______ question. It is not enough to just ask a question ________. We also need to learn how to be polite — when we ask for _____. In English, ___ in Chinese, we change the way we ______ in different _________. The expressions you use might _______ ___ whom you are speaking to ___ how well you know them. If you say to your teacher, ―When is the school trip?‖ this might sound ________. But if you say, ―Excuse me, Mr. West, do you know when the school trip ___?‖, this will sound _____ more polite. However, it is all right to ask direct questions to your classmates because you know them ____. It might seem more _______ to speak politely than _______. It is important to learn how to use _____ ________ in different situations. This will also help you ___________ better with other people. Step 2 Presentation Imagine you are going on a short study vacation at a school in an Englishspeaking country. What would you like to know before you go? Write some polite, indirect questions about the following topics. The topics are: ① The course you will study ② The time of the course ③ Where and what you can eat ④ Where you will stay ⑤ What activities you can do ⑥ Travel to the school ⑦ Other Step 3 Practice Make conversations according to the information in 3a. Step 4 Writing 1) 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 say when you are ing politely ask for information thank the person for helping you 2) Use the following expressions to help you: My name is … and I’m from … I’ll be ing to your school for … I’d like to know about … I would like to thank you for… I’m looking forward to your reply. 3）寫作指導： 本次寫作內(nèi)容是一封書信，信的開頭和結尾已經(jīng)給出。但我們還是要記住書信的格式，便于今后自己運用。信中首先要介紹自己，然后告訴你去他們學校的時間，然后 同學們可根據(jù)在 3a 環(huán)節(jié)中所問到的問題來禮貌的詢問你想知道的信息。 One possible version: Dear Sir or Madam, My name is He Wei and I’m from Beijing, China. I’ll be ing to your school soon for a short study vacation. I will leave for your school on July 10th. I’d like to know more information about the school. Could you tell me what course I will study in your school? And I also want to know when the course will start. I want to know where I will stay. Can you tell me? Would you mind telling me where and what I can eat in your school? I like all kinds of activities. Could you please tell me what activities I can do in your school? The last question, can you tell me how I can get to your school? I would like to thank you for helping me and I look forward to your reply. Yours faithfully, He Wei Step 5 Self Check 1) Fill in the blanks with the words in the box. 2) Write questions and answers using the words given. Step 6 Language points 1. I’m looking forward to your reply. look forward to 期待，盼望。后面接名詞或者動名詞。 . I look forward to your good news. 我等待你的好消息。 Look forward to hearing from you. 期待你的來信。 2. I would like to thank you for… thanks for―因 …… 而感謝 ‖，是客套用語， thanks 相當于 thank you， for 強調為何而感謝，其后可接名詞或 Ving。 . Thanks for lending me the money. 多謝您借錢給我。 Thanks for reminding. I’d fotten all about his ing this afternoon. 謝謝你提醒我，我完全忘了他今天下午要來。 3. I need to plan my time better. 1) plan sth. 計劃某事，后接名詞。 . I want to plan my summer vacation. 我想要計劃我的暑假。 2) plan to do sth. 計劃去做某事， to 是動詞不定式。 . They plan to have a sports meeting. 他們計劃開運動會。 3) plan for sth. 關于 …… 的計劃， plan 是名詞。 Step 7 Homework 根據(jù) 3b 的內(nèi)容寫一封回信。