1、Unit 3 Computers人教版英语Unit 3 Computers人教版英语Unit 3 Computers人教版英语.词汇过关1_v.发信号_n.信号2_n.类型_v.打字_n.打字员3 _vi.出 现；发 生 _(过 去 式)_(过去分词)4_adj.电子的_n.电；电流；电学5_n.外观；外貌；出现_v.6_n.性格；特点7_n.拖把_vt.擦；用拖把拖8_adj.顽皮的；淘气的9_vt.损坏；宠坏Unit 3 Computers人教版英语答案：1.signal;signal2.type;type;typist3.arise;arose;arisen4.electronic;el
2、ectricity5.appearance;appear6.character7.mop;mop8.naughty9.spoilUnit 3 Computers人教版英语.短语自查1在帮助下_2在某种程度上_3处理，安排_4看守；监视_5after all_答案：1.with the help of2.in a way3.deal with4.watch over5.毕竟，终究Unit 3 Computers人教版英语.句式翻译1We are determined to create an even better system._2To be a good learner,you must m
3、ake full use of library books,newspapers and magazines._Unit 3 Computers人教版英语3After all,with the help of my electronic brain which never forgets anything,using my intelligence is what Im all about!_答案：1.我们决定设计出一个更好的程序。2要作好的学习者，你必须充分利用图书馆的图书、报纸和杂志。3不管怎样，在我过目不忘的电子脑的帮助下，运用智能就是我的一切。Unit 3 Computers人教版英语
4、Unit 3 Computers人教版英语.单词突破1signala)n.1)信号；暗号At an agreed signal they left the room.收到约定的信号后，他们离开了房间。2)标志；预示；信号Her speech yesterday was a signal that her views have changed.她昨天的讲话标志着她的观点已经转变。Unit 3 Computers人教版英语3)(尤指铁路或公路上的)指示灯，信号灯，红绿灯A red light is usually a signal of danger.红灯通常是危险的信号。b)vi.&vt.发信号
5、She signalled to the other girls that everything was all right.她向其他女孩打信号说一切顺利。The police signalled the traffic to move forward slowly.警察向来往车辆打信号，示意缓慢前行。Unit 3 Computers人教版英语词语辨析signal,symbol，sign,mark这些名词均含“标志，象征，符号”之意。1)signal指在特定情况下用来发布命令、给以提示或警告的信号，如某种声音、光亮或行动。2)symbol指象征或表达某种深邃意蕴的特殊事物。3)sign指人们公
6、认的事物的符号或标志，也可指某种情况的征兆。4)mark既可指方便于辨认而有意做的标记，也可指自然形成的标记或有别于其他事物的特征。Unit 3 Computers人教版英语牛刀小试(1)(2009湖北，26)In our class,when the bell rang and the teacher closed his book,it was a_foreveryone to stand up.AsignalBchanceCmark Dmeasure答案：A本题考查名词的词义辨析。signal标志，暗示的信号(物)；chance机会；mark商标，分数；measure措施。Unit 3
7、Computers人教版英语(2)Dark clouds are a_of rain or snow.Asignal BsignCmark Dsymbol答案：B题意：乌云是雨或雪将至的预兆。Unit 3 Computers人教版英语(3)Traffic_are red,yellow and green lights which tell drivers when to stop and when to go.Asignals BsignsCmarks Dsymbols答案：A题意：交通信号是红灯、黄灯和绿灯，它们告诉驾驶员什么时候停车，什么时候开车。Unit 3 Computers人教版英语
8、(4)Suffering left its_on his face.Asignal BsignCmark Dsymbol答案：C题意：苦难的经历在他脸上留下了痕迹。Unit 3 Computers人教版英语(5)The lion is considered the king of the forest as it is a(n)_of courage and power.Aexample BsignCmark Dsymbol答案：D题意：狮子被认为是森林之王，因为它是勇气和力量的象征。symbol表示“象征”。Unit 3 Computers人教版英语2personally(adv.)1)就本
9、人而言；就个人意见Personally,I dont like him at all.就我而言，我一点都不喜欢他。2)本人；亲自I dont know him personally,but Ive read his books.我对他个人并不了解，但我看过他的书。3)个别地；单个地You will be personally responsible for any loss or breakage.如有丢失或破损，就由你个人负责。Unit 3 Computers人教版英语4)私人地(与工作相对)Have you had any dealing with any of the suspects,
10、either personally or professionally?你是否与任何嫌疑人有过私人或业务来往？Unit 3 Computers人教版英语知识拓展personally 在此作状语，修饰整个句子。英语中有些副词可以用来修饰整个句子，用以表明说话人对句子内容的看法或态度。这类副词大都位于句首，并用逗号分开。例如：Fortunately,the planes appear to be quite safe.幸好，这种飞机好像相当安全。Luckily,the police came right away.很幸运，警察马上就来了。Unit 3 Computers人教版英语Naturally
11、，their ideas are important to everyone in the country.很自然地，年青人的思想对本国的每个人来说都是重要的。Surprisingly,he failed the exam.让人吃惊的是，他考试没及格。Unit 3 Computers人教版英语牛刀小试She said she didnt like John,but_，I thought he was an honest boy,though sometimes careless.ApersonallyBexactlyCgenerally Dlikely答案：A题意：她说她不喜欢约翰，但我认为他
12、是诚实的，尽管有时有点粗心。Unit 3 Computers人教版英语3typea)n.1)C(of sth.)类型；种类Which type of tea do you prefer?你喜欢哪种茶？2)sing.具有某种特征的人；典型Men of his type are not to be trusted.像他那一类型的人不可靠。Unit 3 Computers人教版英语3)字体In this book,the headwords are in large type.本书里的条目词用大号字体。b)v.打字If I want to write fast，I must learn to typ
13、e.如果我想写得快，我就得学会打字。Please type this letter for me.请替我把这封信打出来。Unit 3 Computers人教版英语词语辨析type,kind,sort,variety这些名词均有“种，类，类型”之意。1)type指客观界限比较清楚，有相同本质特点的同类事物，或指大致相似的同类事物。There are two types of rocks in this area.这个地区有两种类型的岩石。2)kind指性质相同，而且特征很相似，足以归为一类的人或东西。Hes the kind of boy who is always fighting.他是那种老
14、爱打架的男孩。Unit 3 Computers人教版英语3)sort普通用词，文体较kind随便，指对人或对事物进行的大概分类，有时含贬义。There are all sorts of newspapers on the table.桌上有各种各样的报纸。4)variety 强调有各自的特点、形式不同、品质不同的种类。This variety of apple is very sweet.这种苹果很甜。Unit 3 Computers人教版英语牛刀小试(1)This is the_of thing that Jane loves.AtypeBkindCsort Dvariety答案：C 题意：
15、这正是简所喜欢的那种事。Unit 3 Computers人教版英语(2)Im unfamiliar with this_of computer.Atype BkindCsort Dvariety答案：A题意：我不熟悉这种类型的计算机。Unit 3 Computers人教版英语(3)The hotel offers its guests a wide_ofamusements.Atype BkindCsort Dvariety答案：D题意：这个旅馆为住客提供了各种各样的娱乐活动。Unit 3 Computers人教版英语(4)The same_of things are produced and
16、 sold by many different companies in China.Atype BkindCsort Dvariety答案：B题意：中国许多不同的公司在生产和出售着同类产品。Unit 3 Computers人教版英语4arise(v.)(arose;arisen)1)(occur)(尤指问题或困境)发生；产生；出现A heavy mist arose from the lake.湖面起了浓雾。2)(out of/from sth.)(由)引起；(因)产生Accidents arise from carelessness.疏忽大意往往会引起事故的发生。3)出现；发生；发展Sev
17、eral new industries arose in the town.城里出现了好几种新行业。Unit 3 Computers人教版英语4)起身；起来；起立He arose at dawn.他黎明即起。Unit 3 Computers人教版英语词语辨析arise,rise,raise1)arise vi.多指“产生，发生和出现”，通常以抽象名词作主语，一般表示事物和问题的产生和出现。2)rise vi.上升；增加；上涨。常用于日、月、云、雾、烟、物价、温度、河水、人的职位等上升、提高。3)raise vt.举起；提高；提出；饲养。用于“提升”意义时，重在使物体达到应有的高度之意，用于具体
18、物体，也用于抽象物体。Unit 3 Computers人教版英语牛刀小试(1)(2009江西，29)What is the price of petrol these days?Oh,it _ sharply since last month.A.is raised B.has risenC.has arisen D.is increased答案：B考查了时态的用法。由句中的时间状语since last month 可知该用现在完成时。而C项中arise用法不准确，当表示价格的上升时用rise。Unit 3 Computers人教版英语(2)Doubts_from his words.Aaro
19、se BroseCraised Daroused答案：A题意：他的话很让人怀疑。arise fromgive rise to“由引起”。Unit 3 Computers人教版英语5electronic(adj.)1)电子的；电子器件的I like to read books on electronic music.我喜欢读一些关于电子音乐的书。2)电子设备的；电子器件的The firm is Chinas main producer of electronic equipment.该公司为中国主要的电子设备制造厂家。Unit 3 Computers人教版英语巧学助记(1)巧记：electron
20、icelectronic(的)注意：不要和electric或electrical混淆，它们主要是指与“电”相关的东西，范围要比electronic大得多。Unit 3 Computers人教版英语(2)electric与electrical的区别electric adj.电的，用电的，发电的，由电驱动工作的electric current 电流an electric spark 电火花an electric cooker 电炊具Unit 3 Computers人教版英语n.电器The lawn mover is an electric.割草机是电动的机器。electrical adj.意为“电
21、学的，与电有关的”，往往表示抽象的电。He is an electrical engineer.他是一个电机工程师。Unit 3 Computers人教版英语牛刀小试(1)I got an_shock from that faulty light switch.Aelectric BelectricityCelectronic Delectrical答案：A题意：那个有毛病的电灯开关把我电了一下。electric shock 表示“电击；触电；电休克”。Unit 3 Computers人教版英语(2)This dictionary is available in_form.Aelectric
22、BelectricityCelectronic Delectrical答案：C题意：这部词典有电子版本。Unit 3 Computers人教版英语.短语精讲1in a way|in one way|in some way 在某种程度上；不完全地I like the new styles in a way.某种程度上我喜欢这些新款式。In a way it was one of our biggest mistakes.从某种意义上来说，这是我们所犯的最大错误。The changes are an improvement in one way.这些变化从某种意义上是一种进步。The change
23、 is beneficial in some way but not in others.这个变革有的方面有好处，有的方面没好处。Unit 3 Computers人教版英语知识拓展1)by the way 顺便提一下；捎带说一声Oh,by the way,if you see Jackie,tell her Ill call her this evening.啊，对了，你要是看到杰基，告诉她我今晚会给她打电话。2)by way of sth.路经；经由；经过She came to TV by way of a drama school.她是念过戏剧学校后到电视台的。Unit 3 Compute
24、rs人教版英语3)either way|one way or the other 两者都一样We could meet today or tomorrowI dont mind one way or the other.我们可以在今天或明天见面，哪一天对我都行。4)in the/ones way 妨碍；挡着的路I left them alone,as I felt I was in the way.我让他们单独在一起，因为我觉得我妨碍他们的事。5)make ones way(to/towards sth.)前往；到的地方去；前进Will you be able to make your own
25、 way to the airport?你能自己去机场吗？Unit 3 Computers人教版英语6)make way(for sb./sth.)让通过；给让路；让出位置Tropical forest is felled to make way for glassland.热带森林被砍伐；腾出地方作草地。7)(there is)no way不可能；绝不；不行；没门Do you want to help?No way!“你想帮忙吗？”“绝不。”Unit 3 Computers人教版英语8)give way(to sb./sth.)(1)屈服；退让；让步He refused to give wa
26、y on any of the points.他拒绝在任何一点上让步。(2)让在先；让先行Give way to traffic already on the roundabout.让已上环状交叉路的车辆先行。Unit 3 Computers人教版英语9)all the way|the whole way(1)一路上；自始至终She didnt speak a word to me all the way back home.回家的一路上，她没对我说一句话。(2)完全地；不保留地You can feel that the audience is with her all the way.你可以
27、感觉到听众完全支持她。Unit 3 Computers人教版英语10)lose ones/the way(1)迷失方向；迷路We lost our way in the dark.我们在黑暗中迷了路。(2)忘记宗旨；背离的意图I felt that the project has lost its way.我觉得这个项目已经背离了原来的意图。Unit 3 Computers人教版英语11)on ones/the/its way(1)即将去(或来)；就要去(或来)The letter should be on the way to you.那封信该快到你那里了。(2)在路上；在行进中He sto
28、pped for breakfast on the way.他中途停下来吃早点。(3)(婴儿)尚未出生的Theyve got three and one on the way.他们有三个孩子了，还有一个尚未出生。Unit 3 Computers人教版英语牛刀小试(1)(2009江 西，21)Thank you for your MP4 player.Ill ask Mary to take it to you soon._.Ive bought a new one.A.No sense B.No hurryC.No way D.No use答案：B考查了情景会话。题意为“非常感谢你的MP4，我
29、会尽快让玛丽给你带过去。不用急，我刚买了一个新的。”No hurry意为“不用着急”，而No way意为“没门，不行”。Unit 3 Computers人教版英语(2)(2007陕西，13)I think he is taking an active part in social work.I agree with you_.Ain a way Bon the wayCby the way Din the way答案：A题意：“我认为他正积极参加社会工作。”“从某一方面来讲，我同意。”in a way|in one way|in some way表示“在某种程度上；不完全地”。Unit 3 C
30、omputers人教版英语(3)I think you should phone Jenny and say sorry to her._.It was her fault.ANo way BNo possibleCNo chance DNot at all答案：A题意：“我认为你应当给珍妮打电话，向她道歉。”“不可能，那是她的过错。”(there is)no way 表示“不可能；绝不；不行；没门”，用于强烈拒绝对方要求的场合。It was her fault.是关键信息。Unit 3 Computers人教版英语2make up1)编造故事(或谎言等)The boy made up a s
31、tory;it was not true.男孩编了个故事，这故事不是真的。2)形成；构成Women make up 40%of the student numbers.女生占学生人数的40%。3)化妆；化装She made up her face to look prettier.她把脸化了妆以便看上去漂亮些。Unit 3 Computers人教版英语4)补上(失去的东西)；作出补偿Can I leave early this afternoon and make up the time tomorrow.我今天下午早点走，明天补上这段时间，可以吗？Unit 3 Computers人教版英语知
32、识拓展1)make up ones mind 作出决定；下决心Theyre both beautifulI cant make up my mind.两人都很漂亮我难以决定。2)make up for sth.(1)弥补；补偿Her enthusiasm makes up for her lack of experience.她的热情弥补了她经验的不足。(2)(对某人)表示歉意；给与补偿How can I make up for the way Ive treated you?我这样对你，该怎样向你表示歉意呢？Unit 3 Computers人教版英语词语辨析make up,make up f
33、or两个短语动词均含有“弥补”之意。1)make up 表达“弥补，补偿”之意时，其宾语是耽误了的事。How can we make up to you for what you have suffered?我们如何补偿你所遭受的损害？Unit 3 Computers人教版英语2)make up for 指用其他方式来平衡，其宾语为补偿的目的。After all the delays,we were anxious to make up for lost time.耽搁了这么久，我们急着想弥补失去的时间。Unit 3 Computers人教版英语牛刀小试(1)(2008浙江，14)Americ
34、an Indians_aboutfive percent of the US.population.Afill up Bbring upCmake up Dset up答案：C考查动词短语。句意：美国印第安人占美国人口的百分之五。make up“形成；构成；编造；化妆；作出补偿”；fill up“填补；装满”；bring up“培养；教育”；set up“设立；树立”。Unit 3 Computers人教版英语(2)Everybody in the village likes Jack because he is good at telling and_jokes.Aturning up Bp
35、utting upCmaking up Dshowing up答案：C题意：村里的每一个人都喜欢杰克，因为他擅长讲述和编造笑话。make up 表示“编造故事(或谎言等)”。Unit 3 Computers人教版英语(3)Happily for Johns mother,he is working harder to_his lost time.Amake up for Bkeep up withCcatch up with Dmake use of答案：A题意：令约翰母亲高兴的是，约翰正在努力学习以弥补失去的时间。make up for lost time表示“补回失去的时间”。Unit 3
36、 Computers人教版英语3after all1)终究；毕竟；归根到底(用来提醒对方注意某个被忽视的事实)It has turned out to be a nice day after all.天气终于转晴了。So you see I was right after all!你看，毕竟还是我对吧！Unit 3 Computers人教版英语2)(解释或说明理由)别忘了；到底I know he hasnt finished,but,after all,he is very busy.我知道他没有做完，不过要知道，他太忙了。I know he hasnt finished the work,b
37、ut after all,hes done his best.我知道他未完成这项工作，但是要记住，他还是尽力了。Unit 3 Computers人教版英语3)尽管(表示说话人意思的转折，表示结果与预想的不同)After all my care in packing it,many of the ceramics arrived broken.尽管我包得非常小心，瓷器运到时还是坏了许多。After all our advice,he insisted on going.尽管我们劝阻他，他依然坚持要去。Unit 3 Computers人教版英语词语辨析after all,at all,first
38、of all,above all,in all1)after all 毕竟；终究；到底。So you made it after all!你毕竟成功了！He should have paid.He suggested it,after all.他本来该付款的。别忘了是他提出的。He should help her;after all he is her father.他应该帮助她，毕竟他是她的父亲。He should have offered to payhes a millionaire after all.他应该主动付款别忘了，他可是个百万富翁。Unit 3 Computers人教版英语2
39、)at all 完全；根本。常用于否定句、疑问句和表示条件的从句中。He didnt go at all.他根本没去。3)first of all 首先；首要的是。强调顺序，相当于at first。First of all,I must check the number.首先，我必须检查那个号码。4)above all 首要；最重要的是。强调重要性。He is strong,brave and,above all,honest.他强壮、勇敢，最重要的是他诚实。Unit 3 Computers人教版英语5)in all 总共；总计There are 40 students in our clas
40、s in all.我们班总共有40个学生。Unit 3 Computers人教版英语牛刀小试(1)(2008浙江，19)Why are you so anxious?It isnt your problem_.Aon purpose Bin allCon time Dafter all答案：D考查介词短语。句意：你怎么这么焦虑？毕竟这不是你的问题。D.after all“毕竟；别忘了”；on purpose“故意地”；in all“总共”；on time“准时”。Unit 3 Computers人教版英语(2)Dont blame him for breaking that vase;_he
41、is a child.Afirst of all Ball in allCabove all Dafter all答案：D题意：别怪他打碎那个花瓶，他毕竟是小孩子嘛。Unit 3 Computers人教版英语(3)_she just smiled,and then she started to laugh.AFirst of all BAll in allCAbove all DAfter all答案：A题意：最初她只是微笑，后来才放声大笑。first of all(before anything else)表示“首先；第一”，侧重强调“次序”。例如：First of all,we shoul
42、d study our lessons hard.首先我们应努力学习我们的功课。Unit 3 Computers人教版英语(4)Your performance in the driving test didnt reach the required standard；_，you failed.Ain the end Bafter allCin other words Dat the same time答案：C题意：在驾驶测试中，你的表现没有达到必需的标准。换句话说，你不及格。in other words 表示“换句话说”。也可说in another word。Unit 3 Computers
43、人教版英语4with the help of|with ones help 在某人的帮助下He came back to life with the help of the doctor.在医生的帮助下，他活过来了。With Toms help,I made great progress in English.在汤姆的帮助下，我的英语取得了很大进步。Unit 3 Computers人教版英语牛刀小试采用适当的名词填空：(1)He is now studying under the_of Professor Green.(2)The business prospered under the_of
44、 the new president.(3)This project is now under the_of MrWhite.(4)With the_of a passerby,I carried the injured person into a shop.(5)He went to the library with the_of finding a book about guns.Unit 3 Computers人教版英语答案：(1)guidance题意：他现在正在格林教授的指导下学习。under the guidance of表示“在某人的指导下”。(2)leadership题意：在新任
45、总裁的领导下生意兴旺。under the leadership of表示“在的领导下”。(3)charge题意：这项工程现在由怀特先生主管。under the charge of表示“由掌管”。(4)help题意：在一个过路人的帮助下，我把伤者抬进了一家商店。with the help of表示“在的帮助下”。(5)purpose/aim题意：他去图书馆的目的是找一本关于枪械的书。with the purpose/aim of表示“为了”。Unit 3 Computers人教版英语5watch over sb./sth.照管；监督；保护Could you watch(over)my cloth
46、es while I have a swim.我游泳的时候你看着我的衣服好吗？Well have to watch over the children in case they get too tired.我们得照看着孩子们，别让他们太累了。Unit 3 Computers人教版英语知识拓展1)watch out 小心；留神；注意Watch out!Theres a car coming.小心，汽车来了。2)watch out for sb./sth.(1)密切注意；留意The cashers were asked to watch out for forged banknotes.出纳员接到
47、要求，要注意伪钞。(2)当心；小心Watch out for the stairstheyre steep.小心楼梯，这些楼梯很陡。Unit 3 Computers人教版英语3)be on the watch(for sb./sth.)警戒；小心提防(尤指可能发生的危险)Be on the watch for a sudden change in the patients condition.要密切注意病人病情可能突然变化。Unit 3 Computers人教版英语牛刀小试(1)They use specially trained dogs to_theirsheep at night.Awa
48、tch out Bwatch overCtake care Dgo over 答案：B题意：夜间他们用受过特殊驯练的狗看守羊群。Unit 3 Computers人教版英语(2)The building around the corner caught fire last night.The police are now_the matter.Aseeing through Bworking outClooking into Dwatching over答案：C题意：昨天晚上拐角附近的建筑物着火了。警方正在调查这件事情。look into(to examine sth.)表示“调查”。Unit
49、3 Computers人教版英语.句式点击1To be a good learner,you must make full use of the library books,newspapers and magazines.要想成为一个好的学习者，你必须充分利用图书、报刊和杂志。知识剖析To be a good learner 是不定式置于句首作目的状语。Water the plants to make them grow.给植物浇水，使它们生长。Unit 3 Computers人教版英语牛刀小试(1)(2009辽宁，27)_，you need to give all you have and
50、 try your best.ABeing a winner BTo be a winner CBe a winner DHaving been a winner答案：B考查非谓语动词的用法。根据后句“你需要付出一切并尽你最大努力”可知还没有成为胜者，故排除A和D；Be a winner 祈使句，后面应接连词；To be a winner为目的状语，“为了成为一名胜者”。Unit 3 Computers人教版英语(2)(2009江苏，26)Schools across China are expected to hire 50,000 college graduates this year a
51、s shorttermteachers,almost three times the number hired last year，_ reduce unemployment pressures.Ahelp Bto have helpedCto help Dhaving helped答案：C考查非谓语动词。去掉almost three times the number hired last year不难看出此处应用不定式短语表示目的。Unit 3 Computers人教版英语(3)(2009天津，4)_the project in time,the staff were working at
52、weekends.ACompleting BHaving completed CTo have completed DTo complete答案：D考查非谓语动词作状语。句意：为了及时完工，员工们周末在加班。只有不定式才表示目的状语。Unit 3 Computers人教版英语(4)(2008北 京，31)Did the book give the information you needed?Yes.But_it,I had to read the entire book.Ato find BfindCto be finding Dfinding答案：A题意：“这本书给了你需要的信息了吗？”“
53、是的，但是为了找到那个信息，我不得不读了整本书。”不定式表示目的，故选A。Unit 3 Computers人教版英语(5)(2010全国，34)With Fathers Day around the corner,I have taken some money out of the bank _ presents for my dad.Abuy Bto buyCbuying Dto have bought答案：B题意：父亲节就要到了，我从银行取了一些钱给父亲买礼物。不定式短语在句中作状语，表目的。Unit 3 Computers人教版英语2I would really like to play
54、 against a human team,for I have been programmed to act just like them.我真的想和真人球队比赛，因为我被设计成像他们一样地活动。知识剖析句中for表原因，后面可以跟名词，也可以引导分句，对前面所述情况作补充说明，一般不置于句首。Dont be angry with me for my being late.别为我的迟到而生气。It must have rained last night,for the ground is wet.昨晚一定下雨了，因为地面湿了。Unit 3 Computers人教版英语词语辨析because,
55、since,as,for,now that1)because因为，与主句是因果关系，直接说明其原因，语气最强烈，也最常用，能回答why。2)since既然，与主句有因果关系，说明理由，表示大家都知道的原因。3)as由于，与主句有因果关系，说明显而易见的理由，语气比较弱。4)for因为，并列连词，前后不是主从关系，而是并列关系，它对前面一个分句补充说明其理由，但不具备因果关系。Unit 3 Computers人教版英语5)now that，既然，同since。He shook his head,for he thought differently.他摇了摇头，因为他有不同的想法。He didnt
56、 come to school yesterday because he was ill.昨天他没来上学，因为他病了。Now than/Since we are alone,we can speak freely.既然我们现在单独相处，我们可以无所不谈了。We had better hurry as it is getting dark.由于天要黑了，我们快点吧。Unit 3 Computers人教版英语牛刀小试(2008山东，22)He found it increasingly difficult to read，_his eyesight was beginning to fail.Athough BforCbut Dso答案：B考查连词用法。句意：由于他的视力开始下降，他明显感到读书有困难。本题句子前后是因果关系，for的意思是“由于、因为”；though引导的是让步状语从句，意思是“虽然但是”；but的意思是“但是”，表示转折；so的意思是“因此、因而”，在句意上不能。所以选B项。Unit 3 Computers人教版英语
