1、课堂探究1She had felt so proud as the group shouted loudly to applaud his choice.当族人为他的选择欢呼鼓掌的时候，她觉得非常自豪。as the group shouted loudly to applaud his choice是时间状语从句。As she saw the picture she remembered her father who lost his life in the mudslide.当她看见那张照片时，她记起了在那次泥石流中丧生的父亲。阅读下列句子，指出as的词性及词义You must do as
2、I tell you to.你必须按我告诉你的去做。词性：连词词义：像，按照Young as he is，he knows how to operate the machine.他尽管小，但知道如何操作那台机器。词性：连词词义：尽管We didnt know what to do as we were just visiting there.我们不知道怎么办，因为我们只是在那儿参观。词性：连词词义：因为As a student，you should study hard.作为一名学生，你应该努力学习。词性：介词词义：作为Everyone present at the meeting stood
3、 up to applaud.所有出席会议的人们都站起来鼓掌(欢迎)。阅读下列句子，指出画线部分的含义He started to applaud_and the others joined in.他开始鼓掌，其他人也跟着鼓起掌来。含义：鼓掌His efforts to improve the situation are to be applauded.他为改善状况所作的努力应该受到赞许。含义：称赞考点延伸 1)阅读下列句子，归纳applaud的用法The teacher applauded her decision to complete her degree.老师赞扬了她要修完学位的决心。归
4、纳：applaud sbs decision to do sth意为“赞扬某人干某事的决心”。We applauded him for his brave.我们赞赏他的勇敢。归纳：applaud sb for sth意为“为某事称赞某人”。2)阅读下面的句子，指出画线词的词性及词义The speaker was shocked at the lack of applause from the audience.演讲者对观众稀稀落落的掌声感到十分意外。词性：名词词义：鼓掌，喝彩即学即用语法填空1)She should be applauded _ her honesty.2)The candid
5、ates promise to improve public schools was greeted with a loud round of _(applaud)完成句子3)The audience _(鼓掌) the singer for three minutes.4)Everyone stood up _ _ _(鼓掌) his courage.答案：1)for2)applause3)applauded4)to applaud for2If only she had looked ahead and planned better this year!她今年要是早有预见，计划得更好些就好
6、了！if only引导一个感叹句，意为“但愿，要是就好了”，常用于虚拟语气，表示对现在或未来的愿望，或表示与过去事实相反的愿望。I have failed in the exam.If only I had worked harder!我考试没及格，要是再学习用功一些就好了！I am so tired.If only I can take the day off tomorrow.我太疲倦了。如果明天能不上班该多好啊。考点延伸 辨析if only和only ifIf only she would pass the examination!但愿她考试能及格！if only意为“但愿，要是就好了”
7、，引导感叹句或状语从句，动词用虚拟语气，表示愿望或未实现的条件。I wake up only if the alarm clock rings.只有闹钟响了，我才会醒。Only if a teacher has given permission is a student allowed to enter this room.只有得到老师的允许，学生才能进入这个房间。only if意为“只有才，直到才”，引导条件状语从句，不用虚拟语气，其中的only表示强调。从句放在句首时，主句的主、谓语要倒装。He looked ahead in order to find his mother.为了找到他的
8、妈妈，他向前看去。阅读下列句子，指出画线短语的含义You should look_ahead when you are in trouble.当你处于困境的时候应该向前看。含义：向前看We should look_ahead and save some money for the time when we retire.我们应该为将来打算，为退休存些钱。含义：为将来打算考点延伸 阅读下列句子，指出与look搭配的短语及含义We should advertise for someone to look after our children.我们该登个广告聘人来照管孩子们。短语：look_afte
9、r含义：照顾，照料Im looking forward to meeting you again.我盼望再遇见你。短语：look_forward_to含义：盼望I look on teaching as a great experience.我将教学视为一种很好的经验。短语：look_on.as.含义：把看作Here are the books for you to look through.你要审查的书籍在这儿。短语：look_through含义：快速查看，浏览You should look up the right pronunciation of this word in the dic
10、tionary.你应该查字典找出这个单词的正确读音。短语：look_up含义：往上看，查阅I wish you wouldnt look down on this kind of work.我希望你不要看不起这种工作。短语：look_down_on含义：轻视，瞧不起即学即用选词填空(if only/only if)1)_Lucy were here by my side!2)_you promise not to invite Mary，I will come.语法填空3)Look at the trouble I am in！If only I_ (follow)your advice.4)
11、We should not look down _ manual labor.5)Its been a tough year，but the Whites are looking _to the future.6)A special investigator will look_ these murders.7)Were so much looking forward_ seeing you again.8)She looked _ her notes before the examination.9)_(look)ahead，I think the company needs to deve
12、lop some new services.答案：1)If only2)Only if3)had followed4)on/upon5)ahead6)into7)to8)through9)Looking 3Having heard wolves howling in the forest，Lala accelerated her walk up the path to the caves fearing that there might be wild beasts lying in wait for her.沿着回洞穴的路走着，听到森林里狼的嚎叫声，拉拉加快了步伐，她担心会有野兽隐蔽埋伏着，
13、正等着她。在这个句子中，有两个动词ing短语作了状语，一个是having heard.，另一个是fearing.。这两个动词ing短语的逻辑主语都跟主句主语一致，都是Lala。having heard.表示这一动作在主句谓语动作之前已经完成；fearing that.作伴随状语。另外，动词ing短语lying in wait for her作后置定语，修饰beasts。The runners accelerated smoothly around the bend.赛跑运动员们在拐弯处顺势加速。阅读下列句子，指出画线单词的含义That car accelerated as it overtoo
14、k me.那辆汽车一加速就超越了我。含义：加速Fertilizer will accelerate the growth of these plants.肥料将促进这些植物生长。含义：促进考点延伸 1)阅读下列句子，指出画线词的词性及词义This bus has good acceleration.这辆公共汽车的加速性能很好。词性：名词词义：加速I pressed the accelerator until the engine screamed.我猛踩油门，发动机发出了尖厉的声音。词性：名词词义：油门，加速器2)辨析：accelerate，hurry，quicken和speed(1)acce
15、lerate vi.&vt.强调运动速度或事情进展的加快，但并不一定只用于速度。(2)hurry n&vt.&vi.强调造成混乱、妨碍精神集中的匆忙活动。习惯用语：in a hurry匆忙地hurry up快点(3)quicken vt.&vi.强调所需时间的缩短，并含有“激发、刺激”的意思。(4)speed n&vt.&vi.强调运动或进展的快速，作及物动词时，意为“加速”；作不及物动词时，作“高速行驶，高速前进”讲。即学即用语法填空1)This force is responsible for the balls_(accelerate)2)The driver must have pre
16、ssed on the_(accelerate)完成句子3)他决定增加广告量。He decided to _ his advertising.4)他匆匆地赶在一列火车前面穿过了铁轨。He _ across the rails in front of a train.5)好的辩论能使人头脑敏锐。Good debate can _ones mind.6)你能加速吗？Can you _ up?7)我们都知道，农民经常使用特制的化学肥料来促进庄稼的生长。As is well known，peasants often use special chemicals to _ the growth of cr
17、ops.答案：1)acceleration2)accelerator3)accelerate4)hurried5)quicken6)speed7)accelerate4She had almost reached her destination when a delicious smell arrested her progress and she stopped.快到达目的地的时候，一阵香气扑鼻，她不往前走了，停了下来。when为并列连词，常常译为“在这时”，强调动作的突发性。I was about to do my homework when Ted asked me to play fo
18、otball with him.我刚要做作业，这时泰德要我和他踢足球。The police were called in，but they could not arrest anyone.警察被叫来了，但他们不能逮捕任何人。阅读下列句子，指出画线词的含义When she was arrested，the detective found out that the shop assistant was her daughter.当她被捕时，侦探发现这个店员就是她的女儿。词性：动词词义：逮捕The arrest of two workers caused the strike.两位工人的被捕引发了这
19、次罢工。词性：名词词义：逮捕An unusual painting arrested his attention.一幅异乎寻常的画引起了他的注意。词性：动词词义：吸引The doctor arrested the growth of the disease.医生阻止了疾病的发展。词性：动词词义：阻止考点延伸 阅读下列句子，归纳arrest的用法He has been arrested for hurting me.他因伤了我而被捕。归纳：be arrested for意为“因被捕”。She was under arrest on suspicion of murder.她因涉嫌谋杀而被逮捕。归
20、纳：be under arrest意为“被逮捕”。即学即用语法填空1)He was arrested _drunken driving.2)Six of the gangs are in the police station _ arrest.词语替换3)The young man was seized for setting fire to the building._4)The title of the essay attracted my attention._答案：1)for2)under3)arrested4)arrested5All the objects are from the
21、 same excavation site in Sanxingdui and can be dated back to between 3,000 and 5,000 years ago.所有的这些物品都来自三星堆遗址中同一个坑里，能够追溯到3,000到5,000年前。The college dates back to medieval times.这所学院可以追溯到中世纪。The castle dates back to the ancient Roman days.此城堡建于古罗马时代。归纳：date back常与介词to连用。此短语多用于一般现在时，且无被动语态。考点延伸 1)阅读下列
22、句子，指出date back的近义短语This custom dates from the 19th century.早在19世纪就有了这种风俗。近义短语：date_from2)阅读下列句子，指出与date搭配的短语及含义All our information is up to date on the computer.我们计算机上的信息都是最新的。短语：up_to_date含义：最新的Cassette tape recorders are out of date now.现在，盒式磁带录音机过时了。短语：out_of_date含义：过时的即学即用完成句子1)这种舞现在已经不流行了。This kind of dance is _ _ _now.2)这种款式的脚踏车是最新式的。This type of bicycle is_ _ _.语法填空3)_ (date)back to the Han Dynasty，the temple can offer us much useful information about history.4)His interest in stamp collecting dates back _his school days.答案：1)out of date2)up to date3)Dating4)to