1、Section BGrammar and usage01Vocabulary 1.withdraw withdraw into oneself脱离（社会），不与人交往withdraw.from 从撤出/移走/取走withdraw 本身已包含“回”之意，故不再和back 连用。具有类似用法的词还有return，repay等。练习：The drug is said to have side effects and _(withdraw)from the market recently for further tests.has been withdrawn2.equip equip sb/sth
2、with sth 用某物装备某人/某物；给某人/某物配备某物be equipped with 装有；配备有well/fully/poorly equipped 设备完善/齐全/很差的equip.for sth/to do sth为了某事/做某事而有所准备equipment n.装备；设备office equipment办公设备练习：It is clear that high-tech _(equip)has become popular among teenagers and changed their way of life.equipment3.gratefulbe grateful to
3、 sb for sth为某事感谢某人be grateful that 感激gratitude n.感激（之情）in gratitude for 为了感谢gratefully adv.感激地练习：He smiled at him with _(grateful).gratitude02Reading Read and fill the table.Before having the new robotic handThe girl began to(1)_ after losing her right hand in a car accident two years ago.The old ar
4、tificial hand could not help her because(2)_.With the new robotic handThe girl can(3)_ and hold on to small things.The new robotic hand is capable of(4)_.The new robotic hand looks very lifelike with(5)_.Over the past three months The girl has rediscovered old hobbies.The girl has become more(6)_.wi
5、thdraw into herselfshe could not do simple things like getting dressedmove her individual fingersfeeling varying degrees of pressurespecial rubber used on the outsideconfident and outgoingScientists have been making great progress in robotic technology in recent years,Over the past three months I ha
6、ve been testing out the limits of what I can do with my new hand,.,I have been cooking for my family again since I got my new hand.03Grammar 主语+have/has been+动词的现在分词+其他成分现在完成进行时表示动作从过去某一时刻开始，一直延续到现在或离现在不远的时间，其动作可能刚刚停止，也可能继续下去。该时态多用于延续性动词，如live，learn，lie，stay，sit，wait，stand，rest，study等，并常和all this ti
7、me，this week，this month，all night，all the morning，recently 等状语以及由since和for构成的时间状语（从句）连用，与since和for连用时，常表示动作会继续下去。I have been waiting for an hour and he still hasnt turned up.我已经等了一个小时了，可他还没出现。（动作还在继续进行）Ive been writing letters all this morning.我写了一上午信。（动作可能会继续下去，也可能刚停止）We have been looking for you f
8、or an hour.我们找了你一个小时。（动作刚停止）She has been teaching English since she graduated.她毕业后一直在教英语。（动作还在继续进行）We have been going over maths these days.我们这些天一直在复习数学。（动作还在继续进行）现在完成进行时表示的动作很可能持续下去，强调动作的延续性；而现在完成时通常表示动作已经完成，强调动作对现在的影响或产生的结果。有时现在完成进行时所表示的动作并不是一直在不停地进行，而是在断断续续地重复；而现在完成时一般不表示重复的动作。这时现在完成进行时可用于非延续性动词。
9、You have been saying for a year that you will study abroad.整整一年你都在说要出国留学。现在完成进行时往往带有某种感情色彩：而现在完成时通常说明事实，表述平铺直叙。Hes been working too hard.他工作太努力了。1.Dashan,who _(learn)crosstalk,the Chinese traditional art,for decades,wants to mix it with the Western traditional stand-up.2.Marty _(work)really hard on
10、his book and he thinks hell have it finished by Friday.3.Since the time when humankind started gardening,we _(try)to make our environment more beautiful.4.Tony,why are your eyes red?I _(cut)up chilli peppers for the last five minutes.has been learninghas been workinghave been tryinghave been cutting
11、04Application 1.I _(reflect)on the article I read about ancient medicine all day.2.I _(wait)for two hours to see the doctor but it is still not my turn yet.3.My mother _(write)a report on the new treatment all morning.She hopes to finish it tonight.4.The company _(make)herbal medicines for more than
12、 100 years.5.Scientists _(do)research on the disease since it was first discovered in the early 20th century.have been reflectinghave been waitinghas been writinghas been makinghave been doingIt(1)is being estimated/has been estimated that over 30 million people worldwide have lost arms or legs,and
13、many of them fail to get the help that they need.For some time,they(2)are hoping for/have been hoping for better-quality artificial limbs.Fortunately,one exciting new advance could help these physically disabled people lead a normal life again:robotic limbs.Over the last few years,scientists(3)have
14、been developing/will be developing new kinds of artificial limbs to help people overcome their disabilities.Robotic limbs can do much more than conventional artificial limbs.Some of the earliest artificial limbs were made of wood and leather,and until recently,artificial limbs(4)have only served/hav
15、e only been serving basic functions.With the advancement in robotic technology,artificial limbs can now perform much more complex tasks and come closer to real human limbs.Not only can they make a much wider range of movements,but they can also be controlled directly by the brain and feed sensory in
16、formation back into it.David Jones is one of a team of scientists devoted to making even better robotic limbs.We(5)have done/have been doing everything we can to advance this technology and we will not take out a patent on it,said David.Hopefully,more and more people in need of robotic limbs will be
17、 equipped with them and enjoy a higher quality of life.(1)What were some of the earliest artificial limbs like?They were made of wood and leather,and served only basic functions.(2)What can robotic limbs do?They come closer to real human limbs and can perform much more complex tasks.They can even be
18、 controlled directly by the brain and feed sensory information back into it.(3)Why did David Jones say they would not take out a patent on the technology of robotic limbs?Because they hoped that more and more people in need of robotic limbs would be equipped with the limbs and enjoy a higher quality of life.Thank you
