比如说，正在展览中，on display/show/exhibition.
5) Public transport provides a cheap way to get around in Beijing. (P12)
provide的两个常用短语是provide sth _____________ sb / provide sb _________ sth, 向某人提供某物
我们还学过offer/supply的相关短语搭配：supply sb ____________ sth; supply sth _________ sb; offer ___________ ________________; offer sth ____________ sb 6) It’s a good idea to avoid public transport during the rush hour. (P12)
这是一个以it作形式主语的句子，真正的主语是_________________________;
avoid的搭配：避开某物____________________ 逃避做某事________________________ 【即时训练】You’d better fasten the belt to avoid ________________ in case of accident. A. to hurt B. to be hurt C. hurting D. being hurt 7) Fares are cheap, starting at 1 yuan.
句法分析：本句中的starting at 1 yuan作______________________.
fare（a bus fare） 车费；tip小费；fee（付给专业人员的）费用，入场费; tuition学费 8) Air-conditioned buses cost more.
Air-conditioned是一个_____________ 词；它是由n+v.P.P.构成的；eg: man-made 9) Buses numbered 1 to 100 are limited to travel within the city center. 句法分析：该句中的划线部分是_______________作_______________; number作动词用，是标号，给……编号的意思。 【归纳拓展】：我们还学过不定式作定语表将来；现在分词作定语，表主动和进行；过去分词表被动或完成。
试用hold完成下列句子。 明天要开的会议很重要。The meeting ______________________ tomorrow is of importance. 现在正在开的会重要。The meeting ______________________ now is of importance.
昨天开的会议很重要。The meeting ______________________ yesterday is of importance. 10）However, there is also a night bus service, provided by buses with a number in the 200s.(P12) 句法分析：该句中provided by buses…是 作 成分，表示被动，相当于定语从句。
More examples: The student dressed in white is my daughter. There is nothing changed since I left the town two years ago.
11） They run regular services and follow the same routes as large public buses.
the same … as 与…一样…在这个句型中，same总与the 连用，as为介词。如：This rope is the same length as that one.
注意:在the same+ 名词+ as句型中，as也可以用作关系代词引导限制性定语从句，在从句中作宾语、表语。
如：He is not the same man as he used to be. These are the same books as you want.
试一试：I want to buy the same coat _______________ you are wearing today. A. as B. like C. that D. what
This is the same book _________________ I lost yesterday. I’m happy to find it again. A. as B. that C. which D. what
12) There are four underground lines in Beijing, and several lines are under construction.(P12)
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under +n 表示处于某种状态之中（表达被动进行意义） e.g under consideration 在考虑中 under discussion 在讨论中 试译：
这条路正在修补。
正在考虑的的一个可能性是对机动车封闭车道。
One of the possibilities is closing the street to motor vehicles. 13) Trains are fast and convenient, but rush hours can be terrible. convenient adj 方便的 不能用人作主语，通常用it 做形式主语
eg. It’s not convenient for me to ring him up. 我现在不便于给他打电话。 拓展：convenience n. 方便，便利，方便的事物 试译： 你什么时候方便就请来看我。
14) Tricycles are worth using if you want to explore the narrow alleys (hutong) of old Beijing.
句法分析：be worth doing意思是―值得的‖；其中动名词的主动形式表示被动意义。 be worth可表示―值…钱‖；很值得做，用be well worth doing
试一试：这本书值得一读。_______________________________________________ 我认为他们的建议很值得考虑。
____________________________________________________ 这块表不值得那个价。_______________________________________________ 试比较：worthy的用法：be worthy of sth值得，配得上……（不接表示钱数的名词） be worthy of being done/to be done值得被做 试一试：这位老师值得尊敬。
The teacher _______________ _______________= _________________ _______________. 这部电影值得看。
The film is well worth seeing.= The film is _____________________________. = The film is ___________________________________________. Step 3 讨论与合作
Step 4 精心训练
1. The salesman scolded the girl caught and let her off.
A. to have stolen B. to be stealing C. to steal D. stealing 2．Have you checked all the CDs to the mountainous areas next week? A. sent B. to be sent C. sending D. being sent
3. A great number of students said they were forced to practise the piano. A. to question B.to be questioned C. questioned D. questioning 4. Mrs White showed her students some old maps from the library. A. to borrow B. to be borrowed C. borrowed D. borrowing 5. straight on and you’ll see a church. You won’t miss it.
A. Go B. Going C. If you go D. When going
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6. It is worth considering what makes ―convenience‖ foods so popular, and better ones of your own.
A. introduces B. to introduce C. introducing D. introduced
7. Would it be for you to pick me up at four o’clock and take me to the airport? A. free B. vacant C. handy D. convenient
Period 3 Vocabulary; Listening and Speaking
Step 1 Finish exercise 1 and 2 on page 15.
Step 2 Listen to the tape and finish exercise 1, 2, 3 and 4. Step 3 Listen to the tape again and fill in the blanks. Speaker 1
On my way home a few days ago, I __________ _____________ again in the traffic. While I was waiting, I ________________ a group of taxi drivers in front of me _____________ _________________ _______________ their cars. They seemed to know each other. They had coffee cups and one of them carried a thermos flask and _____________ _______________ some hot water to make tea. It was quite funny! But even after the tea party was over, the traffic was still jammed and we still couldn’t move. Spearker2
A few weeks ago I had to catch a plane to Sichuan Province. The plane _______________ ______________ at 5:30 pm so I ______________ _______________ at 2:30 pm to allow plenty of time to get to the airport. But it wasn’t enough time. At 5:00 pm I was still only at the third ring road. It was just ridiculous! ________________ __________________ ___________________ _____________________ I was going to catch the plane, so I told the taxi driver to turn back and go home. Speaker 3
It’s only 7 kilometers from my home to my place of work. But every day, __________ _________ almost ________________ there will be a traffic jam as I get near the west fourth ring road. It’s so annoying! It takes _______________ ________________ 15 to 20 minutes to get through it. I think the traffic jams are usually caused by people disobeying the traffic rules. To get to the front of the line, they often take the bicycle lane. It’s the same with pedestrians and cyclists. They don’t wait for the green light to pass. Speaker 4
Beijing traffic seems to have got noticeable worse _________________. The causes seem to be road works as the city ___________________ ___________________ the Olympics, and a huge increase in new car owners and new drivers. ___________________ the cause, it’s enough to ______________________ _________________ ___________________！__________________ _______________________ limit the number of cars, build more underground lines or follow Shanghai and build roads in the sky? These days I only go out in my car at night after 9 pm. That way I _______________ the worst of the traffic. Speaker 5
Going to the Summer Palace the other evening there was a big traffic jam at a narrow bridge. One lane in either direction. So ________________ there were lots of cars overtaking on the wrong side of the road which then came to a complete stop when a car came in the other __________________. Result: no one _________________ _______________
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______________ ___________________ for 10 minutes! As soon as it cleared the same thing happened again. It’s ____________________________! Step 4 Everyday English. Step 5 Writing
Write a similar passage about your own town.
Period 4 Grammar ---Imperatives
祈使句（Imperative Sentence）可以表达说话人的意愿、请求、叮嘱、号召、命令或建议，它的主语you （听话人）通常省略，谓语动词用原形，句子末尾用感叹号或句号，读时用降调。
1. 祈使句的肯定形式
be型（系动词原形be＋表语＋其他） Be careful! Don‘t go too high. Be quiet, everyone!
2) do型（行为动词＋宾语＋其他） Come in, please!
Please open your books!
3) let型（Let＋宾语＋动词原形＋其他） Let me have a look. Let me help you. 2.祈使句的否定形式
1) be型（Don't＋be＋表语） Don't be lazy!
Never be late again.
2) do型（Don't＋行为动词原形＋其他） Don't throw the ball like that.
Don't worry. I'll soon be all right. Never do it like that.
Don’t anybody say a word. 3) let型有两种否定形式：
1) Let＋宾语＋not＋动词原形＋其他。 Let him not go there. Let's not waste time.
2) Don't＋let＋宾语＋动词原形＋其他。 Don't let her go there.
Don't let the water run into the room. 4) No+ v-ing/n. 禁止做某事 No parking/smoking/admission! 3. 祈使句的类型
1). 不带主语的祈使句 Be careful next time!
Come and see me whenever it is convenient to you. 2). 带主语的祈使句；
为了加强语气或指明同谁说话，可在动词前加上主语。加上主语时，由于是面对面说话并
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直呼其名，故不论第几人称，动词均用原形，不考虑主谓一致问题。 Nobody move！
Mary come here —everybody else stay where you are. You put on more clothes. It’s cold outside. 3). (条件)祈使句 +and / or+ 简单句(结果)
此句型为―条件与结果‖并存的句式，其中的祈使句可转化为if条件句。 1. Work hard and you will succeed. If you work hard, you will succeed. Working hard, you will succeed.
2. Hurry up, or you will miss the last bus. If you don’t hurry up, you will miss the last bus.
4).祈使句+附加信息；附加信息常表示发出祈使动作的原因 Put on your coat, please—it’s very cold outside.
Turn down the TV set—the baby is asleep in the room. 5).祈使句的附加疑问句
Open the door, ___will you/won’t you____? Don’t forget, will you ?
Let’s go there at once, shall we ? Let us go there, will you ? 6).祈使句的强调形式
为了表示强调或加强命令、劝告的语气，使句子更具有说服力，常在其谓语动词前加上do。 Do put the direct object after the verb.
Do tell me where to buy the tickets for the concert. Do be careful next time! 祈使句历届高考大观:
1. —Sorry, Joe. I didn’t mean to…
—Don’t call me “Joe”. I am Mr. Parker to you, and _____ you forget it! A. do B. didn’t C. did D. don’t
答案选D。经调查，本题失误者甚多，除了时态上的原因之外，还有语序上的原因。在否定结构中，you应放在don’t之后，来表达对方对自己称呼错误的不满，意为，―你可不要忘了！‖。
2. —Have another cup of coffee, OK ? —___________.
A. With my pleasure B. You are welcome
C. I can manage it D. That’s very kind of you 3. —Alice, you feed the bird today, ______? —But I fed it yesterday. A. do you B. will you C. didn’t you D. don’t you 4). —Write to me when you get home. — _________.
A. Yes, I must B. Yes, I should C. Yes, I will D. Yes, I can 5). _______ some of this juice — perhaps you’ll like it.
A. Trying B. Try C . To try D. Have try 6). ______ straight on and you’ll see a church. You won’t miss it.
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