1、Unit 2-Section B Learning about Language 重点解析重点解析【知识框图】【知识框图】参考答案：重点词汇1.Security2.Cbine重点短语1.实现2.保持安全3.使得.受益4.确信5.发出6.出发7.和一起闲逛8.一就【重点词汇】【重点词汇】combine vt.& vi. (使)结合;混合【教材原句】Care will also be taken to combine the building and surrounding architecture togetherto form an effective system.还应注意将建筑物和周围建筑
2、结合起来,以形成有效的系统。【词汇精讲】combine vt.& vi. (使)结合;混合Several factors combined to ruin our plans.几种因素加在一起毁了我们的计划。He will combine the two jobs over the next three years.今后三年,他将同时兼顾这两项工作。【词汇拓展】The hotel combines comfort with convenience.这家旅馆既舒适又方便。What an unusual combination of flavours!多么与众不同的混合风味啊!【重点句式】【重点句
3、式】Better not hang out with Sam then.最好不要和山姆闲逛。【句式剖析】本句是一个省略句,Better not 前面省略了 You had。had better 意为“最好”,用于表示对别人的劝告、建议或表示一种愿望,后面接动词原形。We had better be watching the TV play.我们最好现在就看到电视剧。We had better be starting back now.我们最好现在就动身回去。【句式拓展】(1)had better 的否定式为 had better not。(2)had better 通常不以普通疑问句的形式出现
4、。但有时用于否定疑问句,常用Hadnt+主语+better.?结构,作为一种劝告形式,比肯定形式的语气更婉转一些。You had better not miss the last bus.你最好不要错过末班公共汽车。Hadnt you better take an umbrella?你不认为最好带一把伞吗?However,I could not help but feel anxious.然而,我不禁感到担心。【句式剖析】cant help but do 意为“只能做;不得不做; 只好做”。She couldnt help but wonder what he was thinking.她不禁
5、琢磨着他在想些什么。He is such a famous professor that you cant help but respect him.他是一位如此著名的教授,以至于你不得不尊敬他。【句式拓展】I cant help thinking he knows more than he has told us.我总觉得他没把他知道的事全告诉我们。I am busy at the moment,so I cant help to clean the room.我现在很忙,无法帮忙打扫房间。【重点语法】【重点语法】一、将来进行时的构成二、将来进行时的构成1.表示按计划或安排要发生的动作。Th
6、e train wont be leaving until one oclock.火车一点钟才开。We shall be going to London next week.下周我们要去伦敦。2.表示最近或较远的将来正在进行的动作。Dont phone him between 5pm and 6pm.Hell be having a meeting then.下午五点至六点之间不要给他打电话,那时他在开会。When I get home,my wife will probably be doing cooking.当我到家时,我太太可能正在做饭。3.表示委婉语气。Will you be nee
7、ding anything else?你还需要什么吗?When will you be coming again?你什么时候再来?4.常用来表示预计即将发生或势必要发生的动作。When shall we be meeting next time?我们下次什么时候见面?Do come tomorrow!Well be expecting you.明天务必来,我们要等你的。三、 将来进行时与一般将来时的区别1.将来进行时表示已有的安排;而一般将来时表示临时决定。Ill go to see him after school.放学后我去看他。Ill be going to see him after
8、school.放学后我准备去看他的。2.将来进行时表示将来某时正在进行的动作;而一般将来时表示将来某时将要发生的动作。如:What will you be doing at seven the day after tomorrow?后天晚上七点你会在做什么呢?What will you do at seven the day after tomorrow?后天晚上七点你干什么?3.有时将来进行时则只是单纯地谈未来情况;而一般将来时中的 will 含有“愿意”的意思。Mary wont be paying this bill.不会由玛丽来付钱。(单纯谈未来情况)Mary wont pay thi
9、s bill.玛丽不肯付这笔钱。(表意愿)4.两者均可表示将来,但用将来进行时语气更委婉。When will you finish your homework?你什么时候完成作业?When will you be finishing your homework?你什么时候完成作业呢?【随堂小测】【随堂小测】.单句语法填空1.I(do) my homework at ten tomorrow evening.2.We(fly) to the United States this time next week.3.You can call me at 8 in the evening.I(not
10、sleep) then.4.At 5:00 pm,the boys(practice) football on the playground.5.The headmaster(meet) some parents at 3:00 this afternoon.6.Youll also get expert advice on keeping your hairgood condition.7.As we know,water turns into icea low temperature.8.Good food always puts thema good mood.9.The arts sh
11、ould be availablemore people at prices they can afford.10.She is very anxiousher dear old mother.参考答案：will be doingwill be flyingwill not be sleepingwill be practicingwill be meetingInAtInToabout.选词填空fantasycombinesecuritycrimestructure1.The Browns love theof a happy home life.2.Hydrogen and oxygent
12、o form water.3.The police are checking the scene of the.4.The chemicalof this particular molecule is very unusual.5.The story is a magical mix ofand reality.参考答案：SecurityCombineCrimeStructureFantasy.完成句子1.也许在不久的将来我们就能治愈艾滋病。in the near future we will be able to cureAIDS.2.知道如何解决这个问题是重要的。Ithow to solve the problem.3.上课记笔记是一个好习惯。Itto make notes in class.4.我一做出最后的决定就感到轻松多了。I had made the final decision,I felt a lot more relaxed.5.他坚持要我们参加这次讲座。He insisted that.参考答案:It is possible thatis important to knowis a good habitAs soon aswe attend the lecture
