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1、PeriodPeriod 3 3 LanguageLanguage PointsPoints1Compared to 20 years ago how do you think technology will change our life? _ 2Do you feel pessimistic or optimistic about the future of the Internet? Why? _1In the last thirty years, the Internet has_grown rapidly. 三十年来，因特网迅猛地发展着。 归纳 时间状语 in the last/pa
2、st thirty years，通常与现在完成时连用。另外， recently, lately, so far，until now，up to now，by now, (ever) since 等也是现在 完成时的标志性时间状语。 运用 (1)Up to now, the program _ thousands of children who would otherwise have died. Awould save Bsaves Chad saved Dhas saved (2)Progress _ so far very good and we are sure that the wor
3、k will be finished on time. Awas Bhad been Chas been Dwill be (3)Her sister left home in 1998，and _ since. Ahad not been heard of Bhas not been heard of Chad not heard of Dhas not heard of 2In the future, terrorists may “attack”the worlds computers, cause chaos, and make planes and trains crash. 将来，
4、网络恐怖分子可能会“攻击”全世界的计算机，制造混乱，引发飞机和火车事 故。 归纳 attack vt. & n攻击，袭击；抨击，责难；(疾病)侵袭 attacker n袭击者；攻击者attack sb.with sth.用某物袭击某人 attack sb.for sth.因某事抨击某人 carry out/make an attack on.对发起攻击 be/come under attack from.遭到的攻击，抨击 运用 (1)He was arrested for _ his brother _ a knife. 他因用刀攻击他哥哥而被捕。 (2)Newspapers _ the Pr
5、esident _ failing to cut taxes. 报纸抨击总统未能成功减税。 (3)The government _ from all sides _ cutting education spending. 政府因为削减教育开支而受到各方面的强烈批评。 3Already, users can buy books, find out about holiday offers,_book tickets, and get all sorts of information from the Internet. 现在，用户已经可以从网上购书，查找节日特惠，订票，并可以从网上获取各种各样
6、的信息。 归纳 offer vt.提出，提供；出价，开价；n.主动提议，建议(of sth./to do sth.)；出 价，报价(for sth.)；(短期的)削价，特价 offerError! accept/take an offer 接受提议，建议 turn down/decline/reject an offer 拒绝提议 make sb.an offer for/on sth.向某人开的价 小贴士 offer 后面不可接 that 从句，但可以引出直接引语。“Ill do the cooking， ” he offered. 他主动提议：“我来做饭。 ” 运用 (1)He _ a b
7、etter position. 他向我提供了一个更好的职位。 (2)Someone _ the bike. 有人向我出价 300 美元买这辆自行车。 (3)The kids _ the dishes. 孩子们主动要求洗盘子。 (4)If you like I can do some shopping for you. Thats a very kind _. Aoffer Bservice Cpoint Dsuggestion (5)The boy _ his fathers offer of help, for he was trying to be independent. Atook B
8、accepted Cturned down Dturned away 4. Some experts see our future in virtual realitythe use of computers with sounds and pictures that make you feel as_if you are in a real situation. 有些专家看到了我们在虚拟现实中的未来是计算机通过声音和图像模拟现实，以 使人感到仿佛置身于一个真实的空间。 归纳 as ifas though 好像，仿佛 (1)在 look, seem 等系动词后引导表语从句，还可引导方式状语从句
9、，从句常用虚拟 语气，表示与事实相反。当表示与现在事实相反的情况时，从句用一般过去时；当表示与 过去事实相反的情况时，从句用过去完成时。(2)用于省略句中，构成“as if 名词/不定式/形容词(短语)/介词短语/分词”结 构。 小贴士注意 as if/though 和 even if/though 的区别，后者表示“即使，尽管” ，引导让步 状语从句。 运用(1)The young man with long hair walks as if he _ a girl. 留长发的那个小伙子走起路来就像个小姑娘。 (2)The injured man acted as if nothing _.
10、 那个受伤的男子行动起来仿佛什么事也没有一样。 (3)The man we followed suddenly stopped and looked as if _ whether he was going in the right direction. Aseeing Bhaving seen Cto have seen Dto see (4)_ you explained the reason to him, he would not believe you.A. Even if B. As if C. While D. AsPeriodPeriod 3 3 LanguageLanguag
11、e PointsPoints 课前准备区 1We have more cars and computers which are more and more popular.We can go shopping and book tickets online. We neednt carry cash and use credit cards. Instead of going to the bank we can use a computer and a telephone to pay for bills. 2Im optimistic about the future of the Int
12、ernet, because the Net has become a part of our life. We do many things on it, such as shopping, study, chat，etc. 课堂活动区 1(1)D 本题考查时态。up to now 表示“直到现在” ，句中谓语动词一般用现在完 成时。 (2)C 本题考查时态。句意为：到目前为止，一切进展良好，我们确信这工作能够按 时完成。so far (by now)是现在完成时的标志性时间状语，故 C 项正确。 (3)B 句意为：他妹妹自 1998 年离家，自此杳无音信。since 此处是副词，表示 “从
13、那以来” ，通常与现在完成时连用。同时 her sister 与 hear of 是动宾关系，应用被 动语态。故选 B 项。 2(1)attacking；with (2)attacked；for (3)has come under attack；for 3(1)offered me (2)offered me $300 for (3)offered to do (4)A 本题考查名词辨析。对方主动提供帮助，应是 offer。而 service 服务(一般 是指有偿服务)，不符合句意。 (5)C 根据后一分句可知，这位小男孩尽量保持自立、自主的生活，所以他拒绝了父 亲主动提出的帮助。turn down 拒绝，符合题意。 4. (1)were (2)had happened (3)D 考查 as if 引导的表语从句中的省略用法。此句中从句与主句的主语一致，从 句中主语及动词 be 可省略。句意为：我们跟踪的那个男人突然停下来，看上去好像是在判 断是否走对了方向。他停下来的目的好像是为了辨别是否走对了方向，故用动词不定式。 再给合题意可知选 D 项。 (4)A 句意为：即使你向他解释了原因，他也不会相信你。even if 即使，尽管，符 合题意。
