人教版高中英語選修8《Unit 5 Meeting your ancestors》教案
    核心單詞
    1. alternative
    n.可供選擇的事物;(兩者或以上)可能的選擇
    adj. 供選擇的, 二選一的
    常用結(jié)構(gòu)：
    have no alternative but to do sth.
    只能做某事;除¡­¡­外別無選擇
    We have no alternative but to go on.
    除了繼續(xù)下去,我們別無選擇。
    There was no other alternative but to fight till the victory.
    除了戰(zhàn)斗到勝利,別無選擇。
    聯(lián)想拓展：
    alternatively adv. 或者，二者擇一地
    alternate vt. 使交替;vi.交替;adj. 交替的;輪流的
    高手過招：
    (1)單項填空
    In this school, the students have three courses, and seven courses. (2010¡¤01¡¤陜西師大附中月考)
    A. required; alternative B. requiring; alternative
    C. required; alternate D. requiring; alternate
    解析：選A。require(尤指根據(jù)法規(guī)) 規(guī)定、需要，此處用過去分詞required修飾courses，因為兩者之間為被動關(guān)系。后空意思為¡°選擇，選其一¡±，alternative符合句意。
    (2)單句改錯 (原創(chuàng))
    ①I had no alternative but report him to the police.
    ②You have the alternative to speaking or keeping quiet.
    ③Tom and Harry do the work on alternative days.
    答案：①report前加to ②to→of
    ③alternative→ alternate
    2. arrest
    vt. 逮捕，拘留，吸引(注意)
    n.[C]逮捕
    常用結(jié)構(gòu)：
    be arrested for sth. 因某事而被捕
    arrest one s attention吸引某人的注意
    under arrest被捕;被拘留
    The criminal was arrested yesterday.那名罪犯昨天被捕了。
    What she did arrested my attention. 她所做的吸引了我的注意力。
    高手過招
    用適當(dāng)?shù)慕樵~或arrest 的適當(dāng)形式填空 (原創(chuàng))
    ①I got arrested careless driving.
    ②Her uncle was arrest, but nobody knew the reason.
    ③Five youths in connection with the attack.
    ④The public applauded the of the criminal suspect.
    答案：①for ②under ③were arrested ④arrest
    3. preserve
    v.保護,維持,保存
    常用結(jié)構(gòu)：
    preserve sth. from 使¡­¡­免遭¡­¡­
    You can preserve meat or fish in salt.你可以用鹽保存肉或魚。
    It is one of the duties of the police to preserve public order.
    警察的職責(zé)之一是維持公共秩序。
    聯(lián)想拓展：
    preservable adj. 可保存的
    preservation n. 保存
    preserver n. 保護者，保存者
    易混辨析：
    preserve/conserve/reserve/protect
    preserve v. 保護，維持，保存;
    conserve v.保存，保護，強調(diào)珍惜;
    reserve v. 指意見、看法的保留或座位的預(yù)定;
    protect v. 保護，強調(diào)使其免受破壞或損害。
    高手過招
    (1)單項填空
    ①In spite of failing to save every endangered species, we may preserve the majority extinction.
    (2010¡¤山東棗莊一輪驗收)
    A. Against B. with C. beyond D. from
    ②It is the duty of the police to social order.
    (原創(chuàng))
    A. Save B.reserve C.preserve D. rescue
    ①解析：選D。preserve sth. from 使¡­¡­免遭¡­¡­，符合句意。
    ②解析：選C。A、D兩項都意為¡°拯救¡±;B項意為¡°保留，保存¡±;C項意為¡°保護，維持¡±。根據(jù)句意可知，選C。
    (2)完成句子 (原創(chuàng))
    ①夏天收獲的大量水果可冷藏或裝瓶加以保存。
    In the summer, large crops of fruit may by freezing or bottling.
    ②我認為這些有趣的舊習(xí)俗應(yīng)該保存下去。
    I think these interesting old customs .
    答案：①be preserved②should be preserved
    4. relief
    n.減輕，解除
    常用結(jié)構(gòu)：
    bring /seek/find/give/feel relief
    帶來/尋求/找到/予以/感到解脫
    much to ones relief=to ones great relief
    使某人寬慰的是¡­¡­
    relief road 備用車道
    relief map 地形圖
    I felt great relief when I heard I had passed the examination.
    當(dāng)聽到已經(jīng)通過考試時，我感到輕松了許多。
    聯(lián)想拓展：
    relieve ones feelings 發(fā)泄感情
    relieve sb. of 使某人解除
    The minister was relieved of his post.
    部長被解除了職務(wù)。
    高手過招：
    單項填空
    Hearing the news that her son was found, she breathed a sigh of .(2010¡¤山西太原五中檢測)
    A.excitement B. joy C. relief D. belief
    解析：選C。按照句意此處為¡°減輕憂慮，松了一口氣¡±，C項符合句意。
    5. assume
    vt. 設(shè)想，假定;主觀認為;裝出¡­¡­的樣子
    常用結(jié)構(gòu)：
    assume sb./sth. to be 假定/認為某人/事是¡­¡­
    We assumed that you understood the situation.
    我們認為你了解形勢。
    He assumed a wellinformed manner but in fact he knows very little. 他裝出一副見多識廣的樣子，而實際上他知之甚少。
    聯(lián)想拓展：
    assumed adj.假裝的，假的;假定的，設(shè)想的
    an assumed result假定的結(jié)果
    assuming adj.自負的，傲慢的，過分自信的;
    conj. 假如 (后跟從句)
    assumption n. 假定，設(shè)想
    His look of astonishment was assumed.
    他那驚訝的樣子是裝出來的。
    He is too assuming in this attitude about the energy supply.他在對待能源問題的態(tài)度上顯得過于自信。
    Assuming that the weather is favourable, farmers will have a bumper harvest.
    假如風(fēng)調(diào)雨順，今年農(nóng)民將獲豐收。
    高手過招
    完成句子 (原創(chuàng))
    ①假如今天下午下雨我們該怎么辦呢?
    this afternoon, what shall we do?
    ②在證實他有罪之前我們必須要假定他是清白的。
    We innocent until he is proved guilty.
    答案：①Assuming it rains②must assume him to be
    6. somehow
    adv. 不知怎么地;以¡­¡­方式
    常用結(jié)構(gòu)：
    somehow or other
    不知是什么原因;由于某種原因;以某種方式
    Somehow or other we became friends, I never knew just why it was.不知何故我們成了朋友，我絕不知道為什么會這樣。
    易混辨析：
    anyhow/somehow/somewhat
    anyhow 意為¡°無論如何¡±，相當(dāng)于 anyway;at any rate;
    somehow 意為¡°以某種方式(in some way or other)¡±或¡°由于某種原因¡±;
    somewhat 意為¡°從某種意義上講;有幾分¡±，相當(dāng)于 in a way, rather。
    I always know Id get the job, somehow.
    也不知為什么，我總覺得能得到那份工作。
    Somehow we must get to Glasgow.
    我們得設(shè)法到格拉斯哥去。
    He could have finished it on schedule, but somehow he fell behind.他原本能按預(yù)定進度做完這件事的，但不知怎么卻落后了。
    I am somewhat tired of this book. 我對這本書有點厭煩。
    高手過招
    選詞填空(somehow/anyhow/somewhat) (原創(chuàng))
    ①We must get the work finished or other by tomorrow morning.
    ②It may rain, but I shall go out， I dont mind the rain.
    ③The price was higher than I¡¯d expected.
    答案：①somehow②anyhow③somewhat
    重點短語
    7. regardless of
    adj. 不管, 不顧
    People should be hired regardless of race and sex.
    雇用人員應(yīng)沒有種族、性別的差異。
    He continued speaking, regardless of my feelings on the matter. 他不顧及我在此事上的感受而繼續(xù)往下說。
    聯(lián)想拓展：
    regardless adv. 無論如何;不管;不顧
    disregarding /in spite of /despite 三者意義和用法相同，區(qū)別不大。
    regardlessness n. 不注意
    溫馨提示：
    in spite of the fact that句式表示¡°雖然;即使,不管事實上如何¡±。
    although/though conj. 盡管，雖然;其后接句子。
    高手過招：
    單項填空
    ① the difficulties in talking, they can understand each other by body language.(2010¡¤安徽合肥八中檢測)
    A. Regardless of B. Although C. Though D. In spite
    ②Some people act regardless what will happen afterwards. (2010¡¤江蘇鹽城質(zhì)量檢測)
    A.with B. as C. of D. for
    ①解析：選A。although與though是連詞，后需跟句子，而the difficulties in talking是名詞短語，故排除。D項表達有誤。故選A。
    ②解析：選C。regardless of不顧，不管。符合句意。
    8. fed up with
    受夠了;厭煩;飽受
    I¡¯m fed up with waiting for her.我等她都等得不耐煩了。
    What¡¯s the matter? You look pretty fed up.
    怎么啦?你顯得那么不耐煩。
    聯(lián)想拓展：
    feed sb./sth. on sth. 給(人或動物)食物;喂;飼養(yǎng)
    feed on(動物)以¡­¡­為主食
    feed sth. to sb./sth. 給(人或動物)某物作為食物
    高手過招：
    用適當(dāng)?shù)慕樵~填空 (原創(chuàng))
    ①Several children were feeding bread the ducks.
    ②What do you feed your dog ?
    ③Cows feed grass.
    ④Im fed up the same breakfast every morning.
    答案： ①to ②on ③on ④with
    9. cut up
    切碎;使傷心，嚴(yán)厲批評
    Peter, why dont you cut up vegetables?
    彼得，為何不把蔬菜切碎了呢?
    聯(lián)想拓展：
    cut off 切斷;剪掉
    cut down 砍伐;削減
    cut in 打斷
    cut out 剪去，刪去;略去
    cut into pieces 切成碎片
    Dont cut in while Im talking!我說話時別插嘴!
    高手過招
    單項填空
    Half the forest was to make room for the new road.
    (2010¡¤江蘇鹽城質(zhì)量檢測)
    A.cut off B. cut down
    C. cut up D. cut away
    解析：選B。考查短語辨析。cut off 切除;cut down 砍倒;cut up 將(木頭等)分解開。
    10. look ahead
    向前看;為將來打算
    聯(lián)想拓展：
    look back 向后看; 回顧
    look out 留神;注意
    look into 調(diào)查
    look up 查找;形勢好轉(zhuǎn);看望
    look up to sb. 欽佩/尊敬某人
    look through 仔細查閱
    look forward to sth./doing sth. 盼望著
    look on 旁觀;看作
    look over 快速瀏覽;復(fù)習(xí)
    look down (on/upon sth.) 向下看; 輕視
    Look out! There is danger ahead!當(dāng)心!前面危險!
    Im looking forward to seeing you this summer vacation.
    我盼望今年暑假能見到你。
    高手過招：
    完成句子 (原創(chuàng))
    ①You should (翻閱字典查查這個生詞).
    ②I am (盼望) hearing from you as soon as possible.
    ③ (當(dāng)心) or you will catch cold.
    ④I have to (復(fù)習(xí)筆記) for the exam.
    答案：①look up the word in a dictionary
    ②looking forward to
    ③Look out
    ④look over my notes
    重點句型
    11. If only it could be just like last year!
    要是能像去年那樣該有多好啊!
    if only但愿;要是¡­¡­就好了。其后一般用虛擬語氣。
    If only I were a doctor. 這句話用的是一般過去時，意思是：我現(xiàn)在要是個醫(yī)生就好了。與現(xiàn)在相對應(yīng)的句子用一般過去時。
    If only I had said nothing. 而這句用的是過去完成時，意思是：我當(dāng)時什么都不說就好了。是與過去時態(tài)相對應(yīng)的，故用過去完成時。
    If only my son didnt spend so much time before TV.
    這句可以理解為一般現(xiàn)在時的虛擬語氣，所以句子中使用了一般過去時態(tài)。原意為：要是我兒子不在電視前面待那么長時間就好了。
    溫馨提示：
    only if表示¡°只有，只要¡±， 后接讓步狀語從句，主句采用倒裝句式。
    I wake up only if the alarm clock rings.
    只有鬧鐘響了，我才會醒。
    Only if a teacher has given permission is a student allowed to enter this room.
    只有得到老師的允許，學(xué)生才能進入這個房間。
    高手過招：
    單項填空
    Look at the trouble Im in! If only I your advice.
    (2010¡¤江蘇徐州質(zhì)量檢測)
    A. Followed B. would follow
    C. had followed D. should follow
    解析：選C。由句意可知此處為if only引導(dǎo)的條件狀語從句，且用與過去事實相反的虛擬語氣。
    12. Abruptly she sat down, only to be scooped up by her laughing, shouting sister, Luna.
    她突然坐了下來，結(jié)果被愛吵鬧的妹妹露娜一把抱了起來。
    only to do 是不定式作結(jié)果狀語，意為¡°不料，結(jié)果卻¡±,表示出乎意料或令人失望的結(jié)果。
    I hurried to the post office only to find it closed.
    我匆忙地去郵局，卻發(fā)現(xiàn)它已經(jīng)關(guān)門了。
    He hurried home only to find the guests had left.
    他匆匆忙忙趕回家, 結(jié)果發(fā)現(xiàn)客人們已經(jīng)走了。
    溫馨提示：
    現(xiàn)在分詞也可以作狀語表示結(jié)果，但表示的是意料之中的結(jié)果。
    He dropped the glasses on the ground, bursting it into pieces.他把眼鏡掉在了地
    上，摔成了碎片。
    高手過招：
    單項填空
    He got to the airport to find that the plane had left two minutes before. (2010¡¤浙江溫州一模)
    A.just B. only C. in order D. almost
    解析：選B。¡°only+不定式¡±結(jié)構(gòu)表示令人失望的結(jié)果。句意為：他到達機場，結(jié)果卻
    發(fā)現(xiàn)飛機在兩分鐘之前就飛走了。
    人教版高中英語選修8《Unit 5 Meeting your ancestors》教案【二 】
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