必修21导学案.docx

1、必修21导学案 必修2 Period 1Warming Up，Prereading & Reading1rare adj.(1)稀罕的，稀有的，珍贵的Snow is rare in the district.此地区难得下雪。(2)(空气)稀薄的The air on the top of the mountain is rare.山顶上空气稀薄。【知识拓展】 rarely adv.不常，难得地，稀奇地，不平凡地 It is rare to do sth难得做某事 it is rare for sb/sth to do sth对于某人/某物来说很难做某事【翻译句子】他不常去那儿。_对于孩子们来说不

2、犯错误很难做到。_ 答案He rarely goes there.It is rare for children not to make mistakes.2valuable adj.贵重的，有价值的 The necklace is attractive but not very valuable. 这条项链很吸引人，但不是很值钱。 【知识拓展】 value n价值v珍视；尊重values n价值观；行为准则valueless adj.没有价值的【翻译句子】 这份工作使她有机会获得宝贵的经验。_ 答案The job gave her an opportunity to gain valuabl

3、e experience.3survive vi.&vt.(1)vi.幸存，生还 The custom has survived for thousands of years. 这个习俗已经延续几千年了。 (2)vt.从中逃生，经历后继续存在；比活得长 Twothirds of the people survived the earthquake. 经过这次地震，三分之二的人活了下来。【知识拓展】 survivor n幸存者，残存物 survival n生存，幸存 surviving adj.活着的，残存的 注意：survive 作vt.时，本身已表示“幸存，幸免”，因而不要再加多余的介词in

4、或from。We survived the accident.我们幸免于难。【完成句子】Only three passengers_ _ _ _. 这次飞机失事只有三名乘客幸免于难。 Many strange customs_ _ _earlier times.有许多古怪的习俗源远流长。 答案survived the air crashhave survived from【单项填空】In such dry weather the flowers will have to be watered if they_.Ahave survived Bare to surviveCwould survi

5、ve Dwill survive 解析句意：在这样干燥的天气里，这些花要活下来，一定要浇水。本题结合动词survive考查从句中的时态。因主句是一般将来时，从句不能直接使用将来时，排除C、D。A表示“已存活下来”，故也排除。be to do相当于intend/want to do。 答案B4amaze vt.使吃惊；惊讶 We were amazed to hear the news. 听到这个消息我们感到非常惊讶。I was amazed at/by his rapid progress in English.他的英语进步迅速，令我大为惊讶。【知识拓展】 amazement n惊讶；惊愕 a

6、mazing adj.惊人的；令人惊奇的 amazingly adv.令人惊奇地 amazed adj.惊讶的 be amazed at 因而惊奇in amazement 骇然；惊惶地，惊奇地to ones amazement 令某人惊讶的是【比较网站】amazing/amazed (1)amazing意为“令人惊奇的”，用于形容令人惊奇的事物。(2)amazed意为“吃惊的”，多用于形容人的心理。 He was very amazed at the amazing news. 听到这个令人惊奇的消息，他非常吃惊。【翻译句子】令我们惊讶的是，他得了第一名。_他吃惊地看着我。_ 答案To our

7、 amazement，he got the first place.He looked at me in amazement.5select vt.挑选，选择 He selected a shirt to match his suit. 他选了一件与他那套西装相配的衬衫。Six theatre companies have been selected to take part in this years festival.已选定六个剧团参加今年的戏剧节。【知识拓展】 select adj.精选的；优等的 selection n选择；选拔 selective adj.有选择的 selector

8、n选拔人；转换器 【比较网站】choose/select/pick (1)choose意为“选择，挑选”，是最普通的用语。 You can choose a book from these.你可以从这些书中选一本。(2)select意为“精选；挑选”，是指从同类的许多东西中仔细辨别后选择，挑选最合适的。 We selected some for seeds.我们选了一些做种子。 (3)pick意为“挑选；挑拣”，是仔细挑剔和苛刻地选择，多指挑选有形的东西。 Will you help me pick strawberries?你帮我挑拣一下草莓好吗？【翻译句子】 对于一个大学生来说，选择他的发

9、展方向是很重要的。_ 答案It is very important for a university student to select his development direction.6design n&vt.(1)n.设计；布局；打算；目的；图案；花纹 The magazine will appear in a new design from next month.从下月起这本杂志将以新的设计问世。The tiles come in a huge range of colours and designs.瓷砖有各种各样的颜色和图案。It happenedwhether by accid

10、ent or designthat the two of them were left alone after all the others had gone.碰巧不知是偶然还是有意安排其他人走后，只剩下他们两个人。(2)vt.设计；构思；计划；制订 They asked me to design a poster for the activity. 他们请我为这次活动设计了一张海报。We need to design a new rule for the third year.我们需要为三年级的学生制订一个新规则。The programme is designed to help peopl

11、e who have been out of work for a long time.这项计划的目的是为长期失业者提供帮助。【知识拓展】 by design 故意地 be designed for.打算为 be designed to do sth目的是，打算做 【单项填空】The new suspension bridge_by the end of last month.Ahas been designed Bhad been designedCwas designed Dwould be designed 解析题干中的by the end of last month意为“到上个月底为止

12、”，要求句中谓语动词使用过去完成时。 答案B7fancy adj.& vt.& n.(1)adj.奇特的，异样的 I just want a basic sport coatnothing fancy. 我只要一件简单的运动外衣不带什么奇特装饰的。 (2)vt.想象，设想，爱好 She fancies herself still young. 她以为自己还年轻呢。He is the kind of man I fancy.他是我喜欢的那种人。(3)n.想象力，设想 Children usually have rich fancy. 孩子们往往有丰富的想象力。 【知识拓展】 take a fan

13、cy to 爱上；对喜欢起来take/catch the fancy of 吸引fancy oneself 自以为是；自命不凡have a fancy that.总以为；总觉得 用所给动词的适当形式填空I dont fancy_(stay)at home when I have finished all my homework. 答案staying8decorate vt.装饰，装修 She decorated her room with flowers. 她用鲜花装饰她的房间。We need to decorate the sitting room.我们需要将客厅装修一下。 【知识拓展】 d

14、ecoration n装饰品，装饰decorate sth wth sth用来装饰 be decorated with sth被装饰【完成句子】We_our bedroom_flowers. 我们用花来装饰卧室。The Christmas tree_ _ _colorful lights.圣诞树用彩灯来装饰。 答案decorated；withwas decorated with9remove v.(1)移走，搬开Remove the pan from the heat and leave it cool. 把锅从火上移开，让它冷却。 (2)脱去，排除 She removed her jacke

15、t and hung it over the chair. 她脱掉夹克，把它搭在椅子上。 (3)免除(职务等) Officials who were involved in the scandal were removed from office.卷入丑闻的官员都被罢免了职务。【比较网站】move/remove (1)move是指移动某物的位置或改变某人的姿势。 Will you help me move this table?帮我把这张桌子移一下好吗？ (2)remove是强调“拿走，取走，去掉”的意思，去掉的方式不限。 I cant remove the dirty points from

16、 my shirt.我不能去掉我衬衫上的污点。【单项填空】The young man was always late for work.As a result，he was_from the office.Aselected Bdriven Cremoved Dsurvived 解析后半句句意为“结果，他被从办公室里开除了。”remove “开除，去掉”。 答案C10remain vi.& linkv. (1)vi.停留，逗留；留下，剩下，残留 I went to the city，but my brother remained at home. 我去了城市，而弟弟留在家里。 (2)linkv

17、.保持，仍然，继续 remainadj.保持某种状态The food remains good in the fridge. 食物在冰箱里保存得很好。remain n.仍然是；依旧是Peter became a judge but John remained a fisherman.彼得当了法官而约翰依旧是个渔民。 remain介词短语She remained at home to look after the children when her husband went out.丈夫外出时，她留在家中照看孩子。 remain动词不定式Several things remain to be d

18、one.还剩下几件事情需要完成。remain分词The situation remains unchanged.局势仍然未变。Would the audience please remain seated?观众们请不要站起来好吗？ 【知识拓展】 It remains to be seen.有待证实 remain to be done 有待于被 remaining adj.剩下的，留下的，其余的remainder n剩余物，余数remains n遗迹，遗体，剩余物【比较网站】remaining/left left和remaining二者都有“剩下的”之意，但remaining一般作前置定语，而l

19、eft常作后置定语。 【单项填空】 The lady said she would buy a gift for her daughter with the_.A20 dollars remained Bremaining 20 dollarsCremained 20 dollars D20 dollars to remain 解析remaining意为“剩下的，剩余的”，作前置定语。答案BThe little girl who got lost decided to remain_she was and waited for her mother.AwhereBwhatChowDwho 解析

20、此题着眼于考查remain的用法，remain后可加上表语从句，且根据句子的含义和结构，应选择where。 答案A11worth prep.值；相当于的价值；值得的；有价值的n价值；作用 The pen is worth five dollars. 这支钢笔值五美元。His suggestion is worth considering.他的建议值得考虑。I think his ideas are of very little worth.我认为他的意见没什么价值。【知识拓展】 worthless adj.无价值的；无用的 worthwhile adj.值得花(时间、金钱、精力)的 worth

21、y adj.值得的；应得的；有价值的 注意：be well worth doing很值得做(不能用very代替well)The book is well worth reading.这本书很值得读。(reading主动形式表被动意义)be worthwhile to do sth/doing sth值得 It is worthwhile visiting the museum./It is worthwhile to visit the museum.这家博物馆很值得参观。(不能说：The museum is worthwhile visiting.)be worthy of sth/doin

22、g sth(接动名词时用动名词的被动语态形式)或be worthy to be doneThe article is worthy of careful study.这篇文章值得仔细研读。The question is worthy of being discussed./The question is worthy to be discussed.这个问题值得讨论。【翻译句子】泰山很值得参观。_答案Mount Tai is well worth visiting.Mount Tai is worthy It is worthwhile 【单项填空】The novel is well_read

23、ing.Aworth BworthyCworthwhile Dvaluable 解析be well worth doing.主动形式表达被动含义，“很值得被”。 答案A短语释义：1in search of 搜寻，寻找 I went off in search of a garage where I could buy some petrol.我去寻找加油站买些汽油。Some birds fly south in search of sun in winter.冬天有些鸟南飞寻觅阳光。 【知识拓展】 (1)in ones/the search for 搜寻，寻找search for 搜寻，寻找s

24、earch sb/sp(for sth/sb)(为找寻某物/某人而)搜某人的身/搜查某地search after 探索，追求search out 找出，查出(2)常见的“介词名词介词”短语：in favour of 支持in need of 需要in view of 鉴于；考虑到in face of 面对in memory of 纪念in danger of 处于危险中in place of 代替on behalf of 代表in case of 万一 in time of 在时in relation to 关于in honour of 为了纪念in spite of 尽管注意：search

25、作动词用时，虽为及物动词，但不能直接接要搜寻的东西，而要先接介词for，然后再接要搜寻的东西。The customs were searching for drugs when I came through the airport.They searched everybodys luggage for them，and they searched the man in front of me from head to feet.我经过机场时，海关人员正在搜查毒品。他们检查每个人的行李，把我前面的那个人从头到脚搜了一遍。【完成句子】The police_ _ _ _ _he had a gun

26、. 警察搜了他的身，看看他是否带着枪。The police_ _ _the murderer.警察正在寻找凶手。I_ _ the dictionary that I lost yesterday.我找到了我昨天丢的词典。 答案searched him to see ifare searching forsearched out2be used to do sth被用来做某事 Bamboo can be used to build houses.竹子可以被用来建房子。 【比较网站】be used to do sth/used to do sth/be used to (doing)sth (1)

27、be used to do sth 意为“被用来做某事”，不定式表示目的，可用于多种时态。 It can be used to deal with the problems.可以用它来解决这些问题。(2)used to do sth 意为“过去常常干某事”(现在不做了)，只用于过去时态。 I used to live in the countryside.我过去住在乡下。 (3)be used to(doing)sth 意为“习惯于(做)某事”，可用于现在、过去、将来多种时态。其中be可用get，become等词来代替；to为介词。 He is used to the life here.他习惯这里的生活。【翻译句子】木头可用来造纸。_他过去常常去河里游泳。_我习惯于凌晨背单词。_ 答案Wood can be used to make paper.He used to go swimming in the river.Im used to remembering words in the early morni