1、,Reading and vocabulary,Read the passage as quickly as you can and choose the best title for it.,The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen,Passage A,We can reach a conclusion that it is important for us to read books.,It is our aim to build up a harmoniou

2、s society.,It is a piece of electrical equipment.,The stone contains potassium,sodium,calcium,magnesium,The wheel is made of aluminum.,zinc,oxide,Nails are easy to rust in the damp air.,Water boils at 100 C.,conclusion,aim,electrical,potassium,sodium,calcium,magnesium,aluminum,zinc,copper,oxide,rust

3、,boils,Read the passage again and answer the following questions:,1. Which of the metals in the table reacts the most with oxygen and water? Potassium, calcium and sodium. 2. What happens when you heat calcium in oxygen? It burns to form an oxide.,3. Which metals react with steam? Magnesium, alumini

4、um and zinc. 4. Does iron have a slow or fast reaction with steam? It has a slow reaction. 5. Does copper react with water? No, it doesnt.,Read the passage and fill in the chart.,cotton wool,water,water,Passage B,nails,water,Iron does not rust,Iron does not rust,Iron rusts,Read the passage again and

5、 complete the sentences.,1. In the first part of the experiment, the _ is dry, not wet. 2. It shows that iron _ when the air is dry.,air,does not rust,3. In the second part of the experiment, you must _ the water to make sure there is no _ in it. 4. You add _ to the water because this keeps _ out of

6、 it. 5. It shows that _ does not rust in water that has no _ in it.,boil,air,some oil,air,nail,air,Homework,Learn the new words and important sentences by heart. 2. Read Passage A and B and try to retell it.,基礎(chǔ)落實(shí) .高頻單詞思憶 1.We climbed out of the hole,right in front of two (驚訝的) policemen. 2.This is a

7、 5star hotel with perfect (設(shè)備). 3.The new taxes came as a shock to (普通的) Americans. 4.The population of the town (膨脹) rapidly in the 1960s.,astonished,facilities,ordinary,expanded,5.From these facts we can draw some (結(jié)論) about how the pyramids were built. 6.I think the sudden break of the electricit

8、y has something to do with an (電的) fault. 7.They carry logs by (漂) them down the river.,conclusions,electrical,floating,8.The professor is giving a series of (講座) on molecular biology. 9.This drink is a (混合物) of three different sorts,so it has several tastes. 10.Try to keep a (平衡) between work and r

9、elaxation.,lectures,mixture,balance,.重點(diǎn)短語(yǔ)再現(xiàn) 1.add. .給增加add 使增加 add to總計(jì)；總共 2. the bottom 在的底部 the bottom of ones heart從心底里；由衷地 3.be of對(duì)感到自豪；驕傲take in以為自豪 4.be supposed 理應(yīng)；被認(rèn)為是I suppose 我看可以 5. .in order按順序擺放 order整 齊；條理out order次序顛倒,to,to,up,at,of,from,proud,pride,to,so,put,in,of,6.think 考慮；想到think

10、想出(主意 等)think 仔細(xì)考慮think 再 三考慮；慎重思考 e up 突然想起come to 蘇醒； 活躍起來(lái) 8.from that moment 從那一刻起from on從那時(shí)起from on從現(xiàn)在起 9. turn輪流 by 輪流地；依次地 take to do.輪流做turn 結(jié)果是 10.react 與發(fā)生反應(yīng)react (人) 對(duì)作出反應(yīng),of,up,over,twice,with,life,on,then,now,in,turns,turns,out,with,to,.典型句式運(yùn)用 1.Two-thirds of the earths surface is water.

11、 地球表面的三分之二是水。 考查分?jǐn)?shù)的表達(dá)法和主謂一致 這里三分之一的書(shū)是屬于他的。,考點(diǎn)提煉,句子仿造,One third of the books here belong to him.,2.The earth is forty-nine times larger than the moon. 地球比月球大四十九倍。 考查倍數(shù)表達(dá)法 新修的路比原來(lái)的路寬3倍。,考點(diǎn)提煉,句子仿造,The newly-built road is three times,wider than that old one.,3. Its hard to think of a world without metal

12、s. 很難想像一個(gè)沒(méi)有金屬的世界。 考查句式It is+adj.+(for/of sb.)+ to do sth. 把傘忘在出租車(chē)上，你真粗心。,考點(diǎn)提煉,句子仿造,Its careless of you to leave your,umbrella in the taxi.,4.The closer you are,the more youll see. 你靠的越近，看到的就越多。 考查T(mén)he more.,the more.句式 你越是努力，取得的進(jìn)步就越大。,考點(diǎn)提煉,句子仿造,youll make.,The harder you study,the more progress,5.Bel

13、ow is a description of a simple scientific experiment. 下面是對(duì)一個(gè)簡(jiǎn)單的科學(xué)實(shí)驗(yàn)的描述。 考查倒裝句式 我們靠天吃飯的日子一去不復(fù)返了。,考點(diǎn)提煉,句子仿造,Gone are the days when we had to be at,the mercy of the weather.,導(dǎo)練互動(dòng) 重點(diǎn)單詞 1.contract v.(使)收縮；和訂合同;n.契 約，合同 When you heat a metal,it contracts. 當(dāng)你給金屬加熱時(shí),它會(huì)收縮。（回歸課本P41）,觀(guān)察思考 If you ice the metal

14、,it will contract. 如果你冷凍金屬，它就會(huì)收縮。 We contracted with a shoe factory for 4,000 pairs of shoes. 我們和一家鞋廠(chǎng)簽訂了一份4 000雙鞋的合同。 He made a two-year contract of employment with the firm. 他和那家公司簽訂了兩年的雇用合同。,歸納拓展 make a contract with 與簽合同 sign a contract簽署合同 carry out a contract 履行合同 cancel a contract取消合同 break a

15、contract違反合同 by/on contract按照合同；依約,活學(xué)活用 You should read the carefully before you sign it. A.contrastB.contact C.contractD.conflict 解析 考查名詞詞形和詞義的辨析。contract合同；contrast對(duì)照，對(duì)比；contact聯(lián)系，接觸； conflict沖突。,C,2.conclusion n.結(jié)論；斷定；結(jié)束；結(jié)局； 協(xié)定，協(xié)議 觀(guān)察思考 What conclusion do you draw from the evidence? 你從證據(jù)中得到了什么結(jié)論？

16、From what you say I conclude that you are right. 根據(jù)你的話(huà)我斷定你是對(duì)的。,The play concluded with the death of the entire cast. 該劇以全體劇中人物之死為結(jié)局。 In conclusion,I wish all of you good health and a long life. 最后，我祝大家健康長(zhǎng)壽。,歸納拓展 conclusion作“結(jié)束，結(jié)尾”講時(shí)常用單數(shù)，用 作“結(jié)論”講時(shí)為可數(shù)名詞，用作“協(xié)議，締結(jié)” 講時(shí)為不可數(shù)名詞。 come to/arrive at/reach/draw

17、 a conclusion得 出結(jié)論 bring.to a conclusion使結(jié)束 in conclusion最后 conclude v.結(jié)束；斷定;訂立 conclude with以而結(jié)束 conclude sth.from sth.從某事中得出某個(gè)結(jié)論 conclude sth.(with) sb.與某人達(dá)成(協(xié)定),活學(xué)活用 David from the analysis of the traffic accident that it had been caused by human error. A.announced B.acknowledged C.concluded D.co

18、nsidered 解析 句意為：David從交通事故分析中推斷出這次交通事故是人為錯(cuò)誤導(dǎo)致的。,C,3.react vi.回應(yīng)；起作用；起反應(yīng) Which of the metals in the table reacts the most with oxygen and water? 表格中的金屬哪一個(gè)與氧氣和水反應(yīng)最厲害？ (回歸課本P44),觀(guān)察思考 How did Wilson react to your idea? 威爾遜對(duì)你的想法反應(yīng)如何？ Iron reacts with water and air to produce rust. 鐵和水及空氣發(fā)生反應(yīng)生成銹。 Most peo

19、ple reacted against the passing of the law. 多數(shù)人反對(duì)通過(guò)這項(xiàng)法律。 Applause can react greatly on/upon a speaker. 聽(tīng)眾的掌聲對(duì)演講人有很大影響。,歸納拓展 react的含義及用法： (1)作出反應(yīng)，回應(yīng)(與to連用); (2)反對(duì)，反抗，反動(dòng)(與against連用); (3)(指物質(zhì))起化學(xué)反應(yīng)(與with連用); (4)對(duì)某事物有影響，對(duì)某事物產(chǎn)生變化(與介詞on連用)。,活學(xué)活用 The football player reacted the judges decision by withdrawi

20、ng from the match. A.onB.to C.againstD.by 解析 表示“人對(duì)作出反應(yīng)”用to。,B,4.ordinary adj.普通的；平常的；n.常事； 慣例 The nails rust in the tube with ordinary water. 在有普通水的試管里的鐵釘生銹。 (回歸課本P45),觀(guān)察思考 Today he came earlier than usual,for it was not an ordinary day. 他今天來(lái)得比平常早，因?yàn)榻裉焓且粋€(gè)不平常的 日子。 He is out of the ordinary among the

21、children. 他是一個(gè)不尋常的孩子。,易混辨異 ordinary/common/usual/normal (1)ordinary普通的，平常的，平凡的。強(qiáng)調(diào)在等 級(jí)和類(lèi)屬方面普通。指人時(shí)，該詞指既不顯赫也 不低賤；指物時(shí)指品質(zhì)或質(zhì)地水平一般。有“平 庸無(wú)奇”之意。 (2)common普通的；常見(jiàn)的。強(qiáng)調(diào)經(jīng)常發(fā)生，司空 見(jiàn)慣，不顯赫或不特別，可修飾人或物。也可指 共同的，共存的。 The plants are common here. 這些植物在這里很普遍。,(3)usual通常的；慣常的，慣例的。強(qiáng)調(diào)依照慣 例來(lái)判斷，有“遵循常規(guī)”之意。 It is usual for him to g

22、o back home late. 他回家晚是常事。 (4)normal正常的，合乎標(biāo)準(zhǔn)的。強(qiáng)調(diào)在正常情況 下應(yīng)有的。 His temperature was two degrees above normal. 他的體溫比正常體溫高兩度。,活學(xué)活用 Letter boxes are much more in the UK than in the US,where most people have a mailbox instead. A.common B.normal C.ordinary D.usual,解析 本題考查同義詞辨析。common指為許多人或事物所共同具備因而常見(jiàn)；ordinar

23、y指由于與一般事物的性質(zhì)或標(biāo)準(zhǔn)相同，因而顯得平常，無(wú)奇特之處，反義詞為special;usual指在某一地方或某一時(shí)間內(nèi)所常見(jiàn)的，往往指常用的東西，或經(jīng)常發(fā)生的事情，反義詞為unusual；normal同usual和regular，意為“正常的，正規(guī)的，標(biāo)準(zhǔn)的”。句意為：Letter boxes在英國(guó)比在美國(guó)更常見(jiàn)，在美國(guó)大多數(shù)人都有一個(gè)mailbox。 答案 A,重點(diǎn)短語(yǔ)與句型 5.keep.out of防止進(jìn)入；不讓靠 近 You add some oil to the water because this keeps air out of it. 向水里加一些油因?yàn)檫@可以防止空氣進(jìn)入到水

24、 中。 (回歸課本P46) 觀(guān)察思考 Weve always tried to keep out of local politics. 我們總是盡可能避免卷入地方政治中。,歸納拓展 keep (sb.) away (from sth.) 使(某人)離開(kāi)(某 物) keep sb.from doing sth.阻止某人做某事 keep back阻止，抑制；留(扣)下；忍住(眼淚)； 隱瞞 keep sth.in mind記住(某事物) keep in touch with與保持聯(lián)系 keep (on) doing sth.繼續(xù)做某事 keep off遠(yuǎn)離，避開(kāi)，讓開(kāi) keep up保持，維持 k

25、eep up with跟上，不落在后面 keep to不跑題，不偏離（道路）,活學(xué)活用 A certain percentage of your salary is by the employer as an ensurance payment. A.kept away B.kept out C.kept back D.kept up 解析 考查詞義辨析。keep back扣留；keep away離開(kāi)，遠(yuǎn)離；keep out 避開(kāi)；keep up維持。,C,6.used to(過(guò)去)常常 I never used to enjoy science,but last year I changed

26、 schools,and the science teachers at my new school are excellent. 我過(guò)去從未喜歡過(guò)理科，但是去年我轉(zhuǎn)學(xué)了， 我新學(xué)校的理科教師都非常優(yōu)秀。 (回歸課本P49),觀(guān)察思考 I used to go to work on foot,but now I drive there. 我過(guò)去常常是步行上班，現(xiàn)在我開(kāi)車(chē)去。 You used to see a lot of her,didnt you/usednt you? 你過(guò)去經(jīng)常見(jiàn)她，是吧？,易混辨異 used to/would 二者均含有過(guò)去做某事的意義。 (1)used to暗含和現(xiàn)

27、在的情況對(duì)比，強(qiáng)調(diào)現(xiàn)在不 再那樣了。 (2)would指過(guò)去的習(xí)慣，常常做某事，不和現(xiàn)在 進(jìn)行比較。如： He used to be a doctor,but now a lawyer. 他過(guò)去是一名醫(yī)生，現(xiàn)在是一名律師。 I would sit under a big tree in front of my house as a child. 孩提時(shí)我經(jīng)常坐在我家房前的大樹(shù)下。,歸納拓展 (1)used to表示過(guò)去經(jīng)常發(fā)生的動(dòng)作或存在的狀 態(tài)，暗含現(xiàn)在不再這樣。 (2)used to的否定式有兩種，即：used not to do和did not use to do。疑問(wèn)式也有兩種，即：

28、Used+主語(yǔ)+to do.?和Did+主語(yǔ)+use to do.? (3)be/get used to doing sth.習(xí)慣于做某事 be used to do sth.被用來(lái)做某事 be used as.被用作,活學(xué)活用用use的適當(dāng)短語(yǔ)填空 I be a middle school teacher,but I resigned in the year 1999.Now my office in that school is used as the school clinic, and I have my new job already.,used to,got used to,7.b

29、e supposed to理應(yīng)；應(yīng)當(dāng) I am going to try to go to either Montreal or Ottawa University,as both are supposed to have good Physics Departments. 我要盡量去上蒙特利爾大學(xué)或渥太華大學(xué)，因 為這兩所學(xué)校都有很好的物理系。 (回歸課本P49),觀(guān)察思考 Why are you still at home? You are supposed to have gone to school. 你怎么還在家？你早應(yīng)該去學(xué)校了。 What makes you suppose hi

30、m to be connected with them? 什么使你想到他和他們之間的聯(lián)系？ Look,suppose/supposing you lost your job tomorrow,what would you do? 哎，假設(shè)明天丟掉了工作，你會(huì)怎么辦？,歸納拓展 (1)suppose作及物動(dòng)詞，意為“認(rèn)為，想”。后 可接從句，可用作插入語(yǔ)，還可接不定式的復(fù)合 結(jié)構(gòu)。 作及物動(dòng)詞時(shí)，意為“假定，設(shè)想”，有時(shí)還可 用來(lái)提出建議，表示“怎么樣”，多用于祈 使句，后面的從句多用虛擬語(yǔ)氣形式should do, 有時(shí)should可以省略。 (2)be supposed to do表示“應(yīng)該

31、，應(yīng)當(dāng)”。不 定式有時(shí)可用完成時(shí)或進(jìn)行時(shí)。 (3)suppose/supposing引起條件狀語(yǔ)從句，相當(dāng) 于if的作用，意為“如果，假設(shè)”。,活學(xué)活用 (1)Everyone wear a seat belt in the car. A.is supposed toB.supposes to C.is supposedD.supposed to 解析 be supposed to do.理應(yīng)做。句 意為：所有的人都應(yīng)系上安全帶。,A,(2) every word of his were true,what action would the teacher take? A.As if B.Wh

32、ile C.When D.Suppose 解析 suppose起到連詞的作用，相當(dāng)于if，引 導(dǎo)狀語(yǔ)從句。句意:如果他說(shuō)的話(huà)都是真的，老 師會(huì)采取什么措施？,D,8.It is hard to think of a world without metals.很難想像一個(gè)沒(méi)有金屬的世界。 句式分析 本句中it為形式主語(yǔ)，真正的主語(yǔ)是不定式短 語(yǔ)to think of.，構(gòu)成It is/was+adj.+ to do sth.的結(jié)構(gòu)。 Its difficult to finish the task in such a short period of time. 在這么短的時(shí)間內(nèi)完成任務(wù)很困難。,

33、歸納拓展 (1)It is+adj.+for sb. to do sth.(該句式中，作表語(yǔ)的形容詞只能說(shuō)明不定式的行為性質(zhì)和特 點(diǎn)，不能說(shuō)明不定式的執(zhí)行者。常見(jiàn)的這類(lèi)形容 詞有：easy,important,difficult,hard, possible,impossible,necessary等。) Its important for us to master a foreign language. 對(duì)我們來(lái)說(shuō)掌握一門(mén)外語(yǔ)非常重要。,(2)It is+adj.+of sb. to do sth.(該句式中， 作表語(yǔ)的形容詞表達(dá)不定式的邏輯主語(yǔ)的品行、 性格或性質(zhì)。常見(jiàn)的這類(lèi)形容詞有：ki

34、nd,nice, good,honest,careful,careless,clever,wise, stupid,foolish,rude,polite,impolite等。) Its careless of you to make so many mistakes in this exam. 在這次考試中你出了這么多錯(cuò)真是太粗心了。,活學(xué)活用 We all think is not necessary for you to have told her about the bad news. A.there B.it C.that D.this 解析 考查句式It is+adj.+for s

35、b. to do sth.的結(jié)構(gòu)。,B,9.Here is a table with the metals that react most at the top,and the metals that react least at the bottom.這兒有 一個(gè)圖表，那些反應(yīng)最強(qiáng)烈的金屬在上部， 反應(yīng)最不強(qiáng)烈的在下部。,句式分析 這是一個(gè)倒裝句，正常語(yǔ)序是：A table with.is here.在學(xué)習(xí)的過(guò)程中我們要注意： (1)在there,here引導(dǎo)的句子中，謂語(yǔ)動(dòng)詞是 be,exist等表示狀態(tài)的不及物動(dòng)詞時(shí)，句子要全 部倒裝。 (2)在there,here,now,then,t

36、hus等開(kāi)頭的句子 里，謂語(yǔ)動(dòng)詞是come,go,follow等且主語(yǔ)是名詞 時(shí)，句子要全部倒裝。,(3)在here,there引導(dǎo)的句子中，當(dāng)主語(yǔ)是代詞 時(shí)，不倒裝，且此類(lèi)句子不用進(jìn)行時(shí)。 Here comes the bus.Lets hurry! 車(chē)來(lái)了,我們快點(diǎn)！ Here he comes!他來(lái)了！ There stands a tall pine tree at the top of the hill. 山頂上有一棵高高的松樹(shù)。 活學(xué)活用 Heres the knife；it was under these dishes.,刀子在這兒呢，就在這堆盤(pán)子地下。,考題回扣 【例1】In

37、my opinion,life in the twenty first century is much easier than . （安徽高考） A.that used to be B.it is used to C.it was used to D.it used to be 解析 表示“過(guò)去常?！庇胾sed to do., 并且本題中動(dòng)詞原形be不能省略。,D,課文原文 I never used to enjoy science,but last year I changed schools,and the science teachers at my new school are exc

38、ellent.,【例2】Hearing the dog barking fiercely, away . （上海高考） A.fleeing the thief B.was fleeing the thief C.the thief was fleeing D.fled the thief 解析 away置于句首且主語(yǔ)是名詞時(shí)，句子應(yīng) 用全部倒裝語(yǔ)序。A項(xiàng)不是完整的句子；B項(xiàng)倒 裝語(yǔ)序不正確；C項(xiàng)是正常語(yǔ)序，此三項(xiàng)可排除。 課文原文 Below is a description of a simple scientific experiment.,D,【例3】The message is ver

39、y important,so it is supposed as soon as possible. （陜西高考） A.to be sentB.to send C.being sentD.sending 解析 be supposed to do sth.表示“理應(yīng)做 某事”,是習(xí)慣搭配,而且send與the message之 間是邏輯上的動(dòng)賓關(guān)系,故須用被動(dòng)語(yǔ)態(tài)形式。 課文原文 I am going to try to go to either Montreal or Ottawa University,as both are supposed to have good Physics Dep

40、artments.,A,【例4】It is not immediately clear the financial crisis will soon be over. （上海高考） A.sinceB.what C.whenD.whether 解析 這是it作形式主語(yǔ)的名詞性從句。句意 為:金融危機(jī)是否會(huì)很快結(jié)束不會(huì)立刻明朗的。 若主語(yǔ)從句中去掉soon，也可以選C項(xiàng)，即“金 融危機(jī)什么時(shí)候會(huì)結(jié)束”；what在從句中沒(méi)法 與其他成分搭配；since自從以來(lái)，不合句 意。 課文原文 It is hard to think of a world without metals.,D,【例5】My un

41、cles house in the downtown area is much smaller than ours,but it is twice expensive. （四川高考） A.asB.so C.tooD.very 解析 but分句實(shí)際上是一個(gè)省略句，補(bǔ)充完整 為：but it is twice as expensive as ours。 課文原文 The earth is twice as large as the moon.,A,自主檢測(cè) .品句填詞 1.Put a basin of water outside in winter, and ice will (形成). 2.Th

42、e police came to a (結(jié)論) after looking into the case carefully. 3.I have a lot of sports (設(shè)備) such as golf clubs,tennis rackets and ice skates. 4.The smell of new bread (飄出) up from the kitchen.,form,conclusion,equipment,floated,5.Please read the (說(shuō)明) on the bottle before taking the medicine. 6.When

43、questioned by the police,his first (反應(yīng)) was to deny everything. 7.This drink is a (混合物) of three different sorts,so it has several tastes. 8.The child couldnt keep his (平 行) on his new bicycle. 9.The hunter (瞄準(zhǔn)) his gun at the bear carefully. 10.When you heat a metal,it expands;while it (收縮) as it g

44、ets cooler.,instructions,reaction,mixture,balance,aimed,contracts,.短語(yǔ)運(yùn)用 be proud of,used to,aimed at,add up to, keep out of,put.in order,keep ones balance,think of,react with,be supposed to 1.In nature,many kinds of materials can each other under certain conditions. 2.You ask the teacher if you want

45、 to leave the classroom. 3.He lifted his gun and the bird in the tree.,react with,are supposed to,aimed at,4.All the money I had no more than one hundered dollars. 5.When I saw these photos,I my college days. 6.Try to the trouble between them. 7.Books should again after you have finished reading the

46、m.,added up to,thought of,keep out of,be put in order,8.I struggled to on my new skates. 9.All the Chinese the success of Shenzhou . 10.Life now is much better than it be.,keep my balance,are proud of,used to,.翻譯句子 1.學(xué)生人數(shù)在迅速增加。（expand） 2.做完實(shí)驗(yàn)后，一切東西都要有序的排列在器皿 柜中。(put.in order) 3.這是我過(guò)去經(jīng)常去游泳的小河。(where)

47、,Student numbers are expanding rapidly.,After the experiment,everything is put in,order in the cupboard.,This is the river where I used to go,swimming.,4.To find out the truth,youd better do it once by yourself.（不定式作目的狀語(yǔ)） 5.It is hard to think of a world without metals.,為了發(fā)現(xiàn)事實(shí)，你最好親自做一次。,很難想像一個(gè)沒(méi)有金屬的世

48、界。,.單項(xiàng)填空 1.On hearing the news,the girl rushed out without hesitation, the bag on the floor and in the dark. A.left;lied;disappeared B.leaving;lying;disappeared C.leaving;lie;disappearing D.left;lay;disappear 解析 分析句子知leaving the bag.是分詞 短語(yǔ)作狀語(yǔ)；而the bag和lie間是主謂關(guān)系， 故用lying的形式；而disappear和rush out是 句子的謂語(yǔ)

49、動(dòng)詞；因此B正確。,B,2.There are both advantages and disadvantages in the scheme proposed,but I think we should benefit by adopting it. A.on balanceB.out of balance C.on the balanceD.off balance 解析 on balance總的來(lái)說(shuō)。,A,3.Churches are often built the cross in the West. A.in form ofB.in the form of C.with form of

50、D.in a form of 解析 in the form of.以樣的形式；呈 現(xiàn)樣的形式。,B,4.When ,metals . A.heating;extendB.heated;extend C.heating;expendD.heated;expand 解析 metal和heat為動(dòng)賓關(guān)系，故用heated, 完整形式是：When it is heated,由常識(shí)知加 熱時(shí)鐵膨脹，故用一般現(xiàn)在時(shí)。,D,5.They will start their project at helping the poor children to be educated in Chinas west. A

51、.aimsB.aiming C.being aimedD.aimed 解析 分析句子知project和aim at之間是主謂 關(guān)系，故用其-ing形式aiming。,B,6.After a long discussion about the advantages and disadvantages of the plan, they finally came to a(n) that it was practical. A.decisionB.opinion C.conclusionD.impression 解析 come to a conclusion得出結(jié)論?？蘸?的that it was practical是conclusion的同位 語(yǔ)。,C,of the people on the Net Chinas economy is among the strongest in the world. A.Four fifth;believes B.Four fifth;bel