维克多英语新方略Unit让步条件与对比学习教案

1、会计学1第一页，共71页。 【（一）认知(rn zh)】第1页/共72页第二页，共71页。教学(jio xu)词汇表第2页/共72页第三页，共71页。 教学(jio xu)目标检查检查(jinch)口袋本预习以及导学案完成的情况口袋本预习以及导学案完成的情况网络化复习回顾词汇网络化复习回顾词汇(chu)、了解相关知识、了解相关知识12第3页/共72页第四页，共71页。学生：上台演示学生：上台演示(ynsh)(ynsh)教师：总结补充教师：总结补充 Step I: 主话题(hut)Brainstorm网络化回顾词汇concessionalthough, as, however .though,

2、anyhow .even if/though, in spite of .*despite .conjunctionsprepositionsadverbsphrases第4页/共72页第五页，共71页。学生学生(xu sheng)(xu sheng)：上台演示上台演示教师：总结补充教师：总结补充 Step I: 主话题(hut)Brainstorm网络化回顾词汇conditionand, except, if .otherwise .assume .as/so long as, in case (of) .conjunctionsphrasesadverbsothers第5页/共72页第六页

3、，共71页。学生：上台演示学生：上台演示教师教师(jiosh)(jiosh)：总结补充总结补充 Step I: 主话题Brainstorm网络化回顾(hug)词汇comparisonas, but .however, instead .as as, rather than .against, than .conjunctionsprepositionsadverbsphrasesothersprefer, similar .第6页/共72页第七页，共71页。Step II: 词汇(chu)聚焦深度认知目的目的(md)在语境中强化在语境中强化(qinghu)记忆记忆步骤步骤1.1.输入：输入：在

4、在单句单句、文段文段中复现词汇中复现词汇2.2.输出：输出：在在语篇语篇层次复现词汇层次复现词汇第7页/共72页第八页，共71页。词汇词汇(chu)复现输入复现输入Say & Guess!第8页/共72页第九页，共71页。An update to Google Maps contains a handy tool that lets users share their location with friends. The Google Maps app works with iPhone and Android, and also on computers. Even if you have

5、an iPhone and your friends have Android phones, you can share your location with them using Google Maps. You can even send your location to people who do not have a smart phone. If they use a computer, they can see where you are on the Google Maps website provided you have shared your location with

6、them. Just send them a link. You can share your location with as many people as you want.if, provided, as . as, even if第9页/共72页第十页，共71页。Unlike most Chinese, Qin Ming does not shy away from the subject of death. In fact, “talking with the dead” is part of his daily work. Qin, 36, is a forensic (法医法医(

7、fy)的的) expert with the Public Security Department of Anhui Province in East China. “The concentration needed to examine a crime scene or conduct an autopsy (验尸验尸) is always rewarded when a suspect is identified. That is the appeal of the job,” he said. “Although the stress is more than most could st

8、and and I often complain I still love the work.” although, still, unlike, in fact第10页/共72页第十一页，共71页。Chen Faxiang, a woman in her seventies, has been obsessed (着迷(zho m)的) with fishing since she was 13 years old. She captures fish more quickly and in greater quantities than other fishermen and women,

9、 perhaps owing to her special bait (诱饵). She enjoys fishing regardless of how many fish she can catch. She often gives some fish to neighbors and friends. than, regardless of第11页/共72页第十二页，共71页。To reduce traffic pressure and prevent further environmental damage, many cities authorities have urged the

10、 local people to reduce the use of cars and ride bikes instead. In fact, a government agency is now offering bike-sharing services based on chip-embedded (植入芯片(xn pin)的) traffic cards. But it has failed to catch up despite making cycling easier, because people have to take the bikes from and return

11、them to certain places. but, despite, instead, in fact第12页/共72页第十三页，共71页。Fortunately, bike-sharing service companies entered the market. The services offered by private startups, on the other hand, are based on GPS-supported mobile phone apps that help position the vehicles no matter where they are

12、parked. Moreover, their charges are lowbetween 0.5 and 1 yuan for 30 minutesand users only need to scan the two-dimensional code (二维码) on the bike with their smartphones to use them. Given their convenience and low charges, the bike-sharing services have been a hit with people in Chinas major cities

13、. given, on the other hand第13页/共72页第十四页，共71页。So who would want to be a movie extra? In spite of the long hours and low pay, many people still apply for the job. Some people truly enjoy the work. They like being on a movie set, and they enjoy the companionship of their fellow extras. Most of them hav

14、e flexible schedules, which allow them to be available. They may be students, waiters, homemakers, retired people, or unemployed actors. Some unemployed actors hope the work will help them get real acting jobs, but it doesnt happen often. but, in spite of第14页/共72页第十五页，共71页。I have seen it time and ag

15、ain in the IT services industry where if you ask for help, rather than providing the source and explaining how to solve the problem, the tendency for a fellow developer is to actually go and solve the problem. That helps but remember the old adage (格言(gyn), “Give a man a fish, you feed him for a day

16、. Teach him how to fish and you feed him for a lifetime” People are happy when their problem is solved but they will be delighted while they learn how to solve it themselves. if, while, rather than第15页/共72页第十六页，共71页。子话题子话题(hut)(hut)词汇复现输出词汇复现输出Practice & Write!学生用书学生用书P183综合训练综合训练(xnlin)：第一题、第二题：第一题

17、、第二题第16页/共72页第十七页，共71页。 【（二）讲练（二）讲练】第17页/共72页第十八页，共71页。第18页/共72页第十九页，共71页。教学(jio xu)目标讲练重难点词汇，嚼透其释义、用法讲练重难点词汇，嚼透其释义、用法(yn f)和搭配，和搭配，以能够熟练运用。以能够熟练运用。建立基本建立基本(jbn)的英语概念，培养英语思维能力。的英语概念，培养英语思维能力。12第19页/共72页第二十页，共71页。教学(jio xu)目录 重点重点(zhngdin)词词释义释义: 重点重点(zhngdin)词用法专练词用法专练:*despite, instead, while, dist

18、inguish, compareas as, except 重点词块专练重点词块专练:have . in common (with), be similar to, prefer (doing) sth to (doing) sth, differ from, distinguish from, tell from, tell apart第20页/共72页第二十一页，共71页。 重点重点(zhngdin)词释义词释义根据每个词的自身特点，释义从以下六个维度讲解：根据每个词的自身特点，释义从以下六个维度讲解： 一词多义；一词多义； 熟词生义；熟词生义； 精准的汉语释义；精准的汉语释义； 英语释义

19、；英语释义； 辨析辨析(binx)(binx)义；义； 搭配搭配义义第21页/共72页第二十二页，共71页。【教学【教学(jio xu)建议】建议】 prep AW 不管；尽管；任凭不管；尽管；任凭 近近 in spite of【精讲】【精讲】Joe is a good basketball player despite being short and stout. 尽管又矮又胖，乔依然尽管又矮又胖，乔依然(yrn)是个优秀的篮球运动员。是个优秀的篮球运动员。 外研外研 1despite与与 in spite of 意思意思(y s)相同，但相同，但despite较文雅一些。较文雅一些。*de

20、spite第22页/共72页第二十三页，共71页。A number of them have admitted that despite their success, they arent happy.(2015 浙江完形)It is unbelievable that Mr Lucas leads a simple life despite his great wealth. (2014 江西(jin x) A. without B. despite C. in D. toFrankly speaking, the papers were not so hard for me despite

21、 some difficulty. (2014 四川书面表达) 【备考【备考(biko)指导】指导】 despite考频较高，主要出现在高考考频较高，主要出现在高考(o ko)单选、阅读、完形和写作中。单选、阅读、完形和写作中。第23页/共72页第二十四页，共71页。instead【教学【教学(jio xu)建议】建议】 掌握掌握instead意为意为“反而反而(fn r)”时的用法；时的用法； 掌握搭配掌握搭配instead of。 adv 作为替代；反而作为替代；反而Jack didnt study law. Instead, he decided to become an actor.杰

22、克没有学习法律，而是决定杰克没有学习法律，而是决定(judng)当演当演员。员。Lee was ill so I went instead. 李病了，所以我代他去了。李病了，所以我代他去了。第24页/共72页第二十五页，共71页。instead of 代替；而不是代替；而不是We went there on foot instead of by bus. 我们步行去了我们步行去了那儿那儿(nr)，没坐车。，没坐车。I worried that instead of making money, I would end up owing it. 我担心，我最终只会欠债而不会赚钱。我担心，我最终只会

23、欠债而不会赚钱。第25页/共72页第二十六页，共71页。Yet instead of being discouraged by my slow progress, I was excited. (2017 全国完形)Days later, we made an offer far below the asking price. Surprisingly, they didnt laugh at us. They renewed their offer instead. (2015 天津(tin jn)完形)Instead of doing everything for them, parent

24、s should encourage their children to overcome difficulties and inspire them to develop by themselves. (2013 福建书面表达)It is working in teams instead of on my own that has freed me of trouble and made my work more efficient. (2011 湖北书面表达) 【备考【备考(biko)指指导】导】 instead和和instead of 在高考各题型中常出现在高考各题型中常出现(chxin

25、)，是写作常用词，是写作常用词汇。汇。第26页/共72页第二十七页，共71页。 conj 当的时候；和同时；在时Never get on or off a bus while it is moving. 公共汽车没停稳时千万(qinwn)不要上下车。Would you look after the children while I do the shopping? 我买东西的时候你能不能照看一下孩子？I hurt my leg while playing football. 我踢足球时把腿弄伤了。 外研 1while【精讲精讲】第27页/共72页第二十八页，共71页。 表示对比 然而I was

26、 never very neat, while my roommate Kate was extremely organized. 我从来不是一个很爱整洁(zhngji)的人，而我的室友凯特却极有条理。2014 重庆 while第28页/共72页第二十九页，共71页。虽然虽然(surn)；尽管；尽管 (= although)While they are my neighbours, I do not know them well. 尽管他们是我的邻居，但我对他们了解得并不多。尽管他们是我的邻居，但我对他们了解得并不多。只要只要While theres life theres hope. 只要活

27、着就有希望。只要活着就有希望。第29页/共72页第三十页，共71页。 n U 常与 a 连用 一段时间；一会儿once in a while 偶尔；间或Would you like to come in and rest for a while? 你要不要进来休息一会儿？ 译林 1The file may take a short while to download. 下载这个文件可能需要(xyo)点儿时间。第30页/共72页第三十一页，共71页。连词：连词： My only mistake was that I dropped some biscuits on the floor after

28、 I was packing them up. after while / when (2015 陕西改错陕西改错) (释义释义 ) Mary made coffee while her guests were finishing their meal. (2010 全国全国) (释义释义) A. so that B. although C. while D. as if Good habits always lead to high efficiency, while bad ones bring the opposite. (2013 四川书面四川书面(shmin)表达表达) (释义释义)

29、 【备考【备考(biko)指导】指导】 while在高考单选、完形和改错在高考单选、完形和改错(i cu)中常作考点，在写作中中常作考点，在写作中也经常出现。也经常出现。第31页/共72页第三十二页，共71页。 At school, some students are active while some are shy, yet they can be good friends with one another. (2012 四川) (释义) A. while B. although C. so D. as While I always felt I would pass the exam,

30、I never thought I would get an A. (2012 湖南) (释义) A. While B. Once C. If D. Until名词(mng c)： Keep holding your position for a while. (2012 辽宁对话填空) Its not what we do once in a while that shapes our lives, but what we do consistently. (2011 湖南单选) 第32页/共72页第三十三页，共71页。 vi & vt 区分；辨别区分；辨别 vt 使显出使显出(xin ch

31、)特色特色; 使有别于使有别于 vt 使杰出使杰出(jich) 基本基本(jbn)义：认识义：认识事物之间的不同之处事物之间的不同之处 使自身具有与其他使自身具有与其他事物不同之处事物不同之处 自身具有自身具有的特质或的特质或取得成就使其获得取得成就使其获得关注或仰慕关注或仰慕 distinguish 的语义网络的语义网络第33页/共72页第三十四页，共71页。 vi & vt 区分(qfn)；辨别 to recognize the difference between two people or things distinguish between good and evil 分清善恶You

32、 should distinguish facts from rumours. 你应该辨别事实和谣言。Speech distinguishes man from the animals. 语言将人类与动物区分(qfn)开来。distinguish【教学【教学(jio xu)建议】建议】 根据英语释义准确理解各层释义，并体会各层释义间的联系；根据英语释义准确理解各层释义，并体会各层释义间的联系； 掌握重点掌握重点(zhngdin)搭配搭配distinguish . from。【精讲精讲】第34页/共72页第三十五页，共71页。 vt 使显出特色使显出特色; 使有别于使有别于 to be a ch

33、aracteristic that makes sb / sth different a distinguishing feature 特征特征(tzhng) What was it that distinguished her from her classmates? 是什么使得她有别于班上其他同学呢？是什么使得她有别于班上其他同学呢？第35页/共72页第三十六页，共71页。 vt 使杰出 to do sth so well that people notice and admire you He distinguished himself by winning 4 prizes. 他因获得

34、(hud)四个奖项而名声大噪。【拓展】 distinguished adj 杰出的；卓越的a distinguished man of our time 我们这个时代的杰出人物第36页/共72页第三十七页，共71页。distinguish: Daniel Anderson, a famous psychologist, believes its important to distinguish televisions influences on children from those of the family. (2015 广东阅读广东阅读(yud) (释义释义) I would like

35、you to meet the fellow who is distinguished for being the worst boy in this county. (2010 江苏完形江苏完形) (释义释义)distinguished: Distinguished guests and friends, welcome to our school. (2009 江苏单江苏单选选) 【备考【备考(biko)指导】指导】 distinguish的释义的释义(shy)和派生词和派生词distinguished考频较高；考频较高； distinguish和和distinguished常在单选、阅读

36、和完形中出现。常在单选、阅读和完形中出现。第37页/共72页第三十八页，共71页。 vt 对比；比较对比；比较 to examine people or things to see how they are similar and how they are differentWe often make decisions by comparing information. 我们经我们经常常(jngchng)通过对比信息来作出决定。通过对比信息来作出决定。 译林译林 1compare【教学【教学(jio xu)建议】建议】 根据基本义根据基本义“对比；比较对比；比较”启发学生启发学生(xu sh

37、eng)理解各层释义；理解各层释义； 掌握重点搭配掌握重点搭配 compare . to / with, by / in comparison等。等。【精讲精讲】第38页/共72页第三十九页，共71页。 compare A to / with B 把A同B作比较：Compare this to that, and youll see which is better. 把这个跟那个作对比，你就能看出哪个更好。It seemed a small challenge compared to / with the one I was about to face. 和我正要面对的挑战(tio zhn)相

38、比，这个挑战(tio zhn)似乎不大。 2012 安徽第39页/共72页第四十页，共71页。 compare A and B 对比A和B：Its easier to compare British and American English now that we have the Internet. 有了互联网，我们就更容易(rngy)比较英式英语和美式英语了。 外研 1 vi 比得上；相比 to be similar to sb / sth else, either better or worse than sb / sth elsecompare with:No one can be c

39、ompared with Yao Ming in playing basketball. 在打篮球方面，没有人能比得上姚明。 2011 湖南This house doesnt compare with our previous one. 这所房子不如我们以前的那个好。第40页/共72页第四十一页，共71页。 vt 比喻；比拟比喻；比拟compare A to B 把把A比作比作B：We compared the brave man to a lion. 我们把勇敢的人比作雄狮。我们把勇敢的人比作雄狮。Young people are often compared to the rising s

40、un. 年轻人常被比作冉冉升起的太阳。年轻人常被比作冉冉升起的太阳。compare notes (with sb) (与某人与某人) 交换意见交换意见I intended to compare notes with a friend, but unfortunately they couldnt spare me even one minute. 我想跟一个朋友切磋一下，但很我想跟一个朋友切磋一下，但很不幸不幸(bxng)，他们连一分钟时间都挤不出来。，他们连一分钟时间都挤不出来。第41页/共72页第四十二页，共71页。【拓展】【拓展】 comparison n C & U 比较比较(bjio

41、)；比拟；比拟make a comparison between sb / sth 对某人对某人 / 物进行比较物进行比较(bjio)By / In comparison with last year, the price of beef has increased. 与去年相比，牛肉的价格上涨了。与去年相比，牛肉的价格上涨了。【备考【备考(biko)指指导】导】 compare的释义的释义及搭配及搭配compare . to / with, compare . and ., by comparison等考频较高；等考频较高； compare在高考各题型中经常出现，是写作常用词汇；在高考各题型

42、中经常出现，是写作常用词汇；comparison主要主要(zhyo)出现在高考阅读中。出现在高考阅读中。第42页/共72页第四十三页，共71页。compare: Compared with many abstract goals, practical ones can bring us more courage and confidence whenever we make one step forward. (2015 重庆书重庆书面表达面表达) (释义释义) Film has a much shorter history, especially when compared to such

43、art forms as music and painting.(2012 全国单选全国单选)(释义释义) Worst of all, I get a larger quantity of homework, compared (对比对比) to them. (2010 福建短文填词福建短文填词) (释义释义) 对父母而言，没有对父母而言，没有(mi yu)什么能与孩子的身心健康相比。什么能与孩子的身心健康相比。(compare) As for parents, nothing can be compared with their childrens physical and mental h

44、ealth.(2011 上海翻译句子上海翻译句子) (释义释义) 第43页/共72页第四十四页，共71页。短语：After reading, bits and pieces of thoughts will appear in our mind, so it is beneficial to have a better understanding after comparing notes about what we have read. (2015 上海书面表达(biod)comparison: By comparison, 26% of high school students smoke

45、 in Kentucky. (2009 山东阅读) 第44页/共72页第四十五页，共71页。巩固巩固(gngg)练习练习学生学生(xu sheng)用书用书P181，基础训练：第一题基础训练：第一题第45页/共72页第四十六页，共71页。 重点重点(zhngdin)词用法专练词用法专练 嚼透词汇的释义嚼透词汇的释义(shy)(shy)、用法和搭配，在语境、用法和搭配，在语境中理解掌握；中理解掌握； 熟悉考点，查漏补缺。熟悉考点，查漏补缺。第46页/共72页第四十七页，共71页。as . as【教学【教学(jio xu)建议】建议】 在同等比较时，若出现形容词修饰单数可数名词，其语序为：在同等比

46、较时，若出现形容词修饰单数可数名词，其语序为：as + 形容词形容词 + a / an + 名词名词 + as。 区分区分“as + 原级原级 + as (如如as far as, as long as, as good as, as well as)”的释义的释义(shy) 和作为固定搭配的释义和作为固定搭配的释义(shy)； as . as结构用于否定句时，第一个结构用于否定句时，第一个as也可用也可用so代替；代替； 掌握与掌握与as . as相关的倍数表达法。相关的倍数表达法。第47页/共72页第四十八页，共71页。 adv 同样地同样地as as 用于构成用于构成(guchng)比较

47、比较：We didnt go so far as the others. 我们没有别人走得那么远。我们没有别人走得那么远。Some scientists even say we can live as long as 130 years! 一些科学家甚至一些科学家甚至说我们能活到说我们能活到130岁！岁！ 2015 广东广东Women are as good as men in sport. 在运动方面，女士和男士一样优秀。在运动方面，女士和男士一样优秀。I wish I could speak English as well as he can. 我希望自己英语讲得跟他一我希望自己英语讲得跟

48、他一样好。样好。 北师大北师大 15A friend is not as / so soon gotten as lost. 交友慢，失友快。交友慢，失友快。I want you to live as long and healthy a life as I have. 我想要你像我一样活我想要你像我一样活得健康长寿。得健康长寿。 人教人教 3第48页/共72页第四十九页，共71页。 用于固定搭配：as / so far as I know / remember / see, etc. 据我所知 / 记得 / 看等As far as I know, the Pacific Ocean is t

49、he largest ocean in the world. 据我所知，太平洋是世界上最大的海洋。As far as I can see, there is only one possible way to keep away from the danger. 依我看，只有一种方法可以避免危险(wixin)。as long as 只要 近so long asI dont mind where you go, as long as youre back before midnight.只要你在午夜之前回来，你去哪儿都行。 外研 7as good as 几乎；差不多The summers as g

50、ood as over. 夏天差不多已经过去了。第49页/共72页第五十页，共71页。as well as 除除之外之外 (也也)；和；和As well as writing stories, I love reading and listening to music. 除了写小说，我还喜欢读书和听音乐。除了写小说，我还喜欢读书和听音乐。The weather in England is very changeable and it attracts the English as well as the outsider. 英格兰的天气变化无常英格兰的天气变化无常(bin hu w chng)

51、，这不，这不仅吸引英国人，也吸引外国人。仅吸引英国人，也吸引外国人。 2013 重庆改重庆改Science can be a force for evil as well as for good. 科学既可以成为正义的力量，也可以成为邪恶势力的科学既可以成为正义的力量，也可以成为邪恶势力的帮凶。帮凶。 2009 重庆重庆第50页/共72页第五十一页，共71页。The teacher as well as his students is going to plant trees tomorrow. 明天不但学生们去植树，老师也去。 用于倍数表达法：Ten years ago the popula

52、tion of our village was twice as large as that of theirs. 十年(sh nin)前我们村子的人口数量是他们的两倍。 2008 陕西注：as well as连接主语(zhy)时，谓语动词应与as well as前的主语(zhy)保持人称和数的一致。第51页/共72页第五十二页，共71页。 conj当当时候；一面时候；一面一面一面；随着；随着因为；既然因为；既然虽然；尽管虽然；尽管(jn gun)Clever as she is, she works very hard. / Although she is clever, she works

53、 very hard. 尽管尽管(jn gun)聪明，她还是很努力。聪明，她还是很努力。Child as he was, he knew a lot. / Although he was a child, he knew a lot. 虽然是个孩子，但他懂得很多虽然是个孩子，但他懂得很多如；像；按照如；像；按照注：as意为“尽管”时，引导的从句要用倒装语序，其结构为：形容词 / 名词 / 副词(fc) / 动词原形 + as + 主语 。名词提前时，要去掉冠词。第52页/共72页第五十三页，共71页。【备考【备考(biko)指导】指导】 as . as考频很高，常作为单选、改错的考点，也是写作

54、常用词汇；考频很高，常作为单选、改错的考点，也是写作常用词汇； as作连词，构成倒装作连词，构成倒装(do zhun)结构，也常作高考考点。结构，也常作高考考点。用于构成比较用于构成比较： Its about doing everything as well as possible instead of as fast as possible. (2015 浙江浙江(zh jin)听力听力) It is wise to have as many good friends that we can. that as (2014 全国改错全国改错) Tell them we want them to

55、 trust us as much as wed like to trust them. (2009 安徽书面表达安徽书面表达) 第53页/共72页第五十四页，共71页。用于固定用于固定(gdng)搭配搭配： As far as I know, you are very familiar with Chinese culture, especially Chinese Opera. (2012 天天津书面表达津书面表达) Ones life has value as long as one brings value to the life of others. (2012 江苏江苏) A. s

56、o that B. no matter how C. as long as D. except that I can never stop the love for reading because books are like wise teachers as well as good friends in my life. (2012 江西书面表达江西书面表达) 第54页/共72页第五十五页，共71页。用于构成比较用于构成比较： I will learn more about the history of the Olympics as much as the 2008 Olympic Ga

57、mes. much well (2008 全国改错全国改错(i cu) 用于倍数表达用于倍数表达： The new stadium being built for the next Asian Games will be three times as big as the present one. (2011 陕西陕西) A. as three times big as B. three times as big as C. as big as three times D. as big three times as连词：连词： Hot as the night air was, we sle

58、pt deeply because we were so tired after the long journey. (2012 陕西陕西) A. although B. as C. while D. however 第55页/共72页第五十六页，共71页。 conj & prep 可接词、短语或从句可接词、短语或从句 除除外外No pets except fish are permitted in student rooms. 除了鱼，学生宿舍禁止养其他宠物。除了鱼，学生宿舍禁止养其他宠物。2015 天津天津He usually goes to work on his bike except

59、 on rainy days. 除了雨天，他一般除了雨天，他一般(ybn)都骑自行车上班。都骑自行车上班。except【教学【教学(jio xu)建议】建议】 掌握掌握(zhngw)except的用法和搭配的用法和搭配except for, except (that)； 掌握掌握(zhngw)except, except for, besides, apart from的辨析。的辨析。【精讲精讲】第56页/共72页第五十七页，共71页。The seaside town is beautiful except when it is windy. 这座海滨小镇很美，除了刮风(u fn)时。This

60、 suit fits me well except (that) the trousers are too long. 这套衣服我穿着很合身，只不过裤子太长了。except for 除了外；除去；只是She wrote all of the songs on the album except for the final track.除了最后一首歌，这张专辑中的所有歌曲都是她写的。第57页/共72页第五十八页，共71页。辨辨 except, except for, besides, apart from四者都可用作介词；都含有四者都可用作介词；都含有“除除之外之外”之意。之意。except 是是