Unit 5 eeting 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
常用結構：
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
常用結構：
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?shù)慕樵~或arrest 的適當形式填空 （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
常用結構：
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，強調珍惜；
reserve v. 指意見、看法的保留或座位的預定；
protect v. 保護，強調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¡¤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俗應該保存下去。
I think these interesting old customs .
答案：①be preserved②should be preserved
4. relief
n.減輕，解除
常用結構：
bring /seek/find/give/feel relief
帶/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.
當聽到已經通過考試時，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。
高手過招：
單項填空
Hearing the news that her son was found, she breathed a sigh of .（2010¡¤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. 設想，假定；主觀認為；裝出¡¡的樣子
常用結構：
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，設想的
an assumed result假定的結果
assuming adj.自負的，傲慢的，過分自信的；
conj. 假如 (后跟從句)
assumption n. 假定，設想
His look of astonishment was assumed.
他那驚訝的樣子是裝出的。
He is too assuming in this attitude about the energy supply.他在對待能問題的態(tài)度上顯得過于自信。
Assuming that the weather is favourable, farmers will have a bumper harvest.
假如風調雨順，今年農民將獲豐收。
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
常用結構：
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¡±，相當于 in a way, rather。
I always know I?d get the job, someho
也不知為什么，我總覺得能得到那份工作。
Somehoe must get to Glasgo
我們得設法到格拉斯哥去。
He could have finished it on schedule, but somehow he fell behind.他原本能按預定進度做完這事的，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?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¡¤江蘇鹽城質量檢測）
A.cut off B. cut down
C. cut up D. cut away
解析：選B�？疾槎陶Z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；為將打算
聯(lián)想拓展：
look back 向后看； 回顧
look out 留神；注意
look into 調查
look up 查找；形勢好轉；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;復習
look down (on/upon sth.) 向下看； 輕視
Look out! There is danger ahead!當心!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 (當心) or you will catch cold.
④I have to (復習筆記) 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��！
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：我當時什么都不說就好了。是與過去時態(tài)相對應的，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引導的條狀語從句，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，結果被愛吵鬧的妹妹露娜一把抱了起。
only to do 是不定式作結果狀語，意為¡°不料，結果卻¡±,表示出乎意料或令人失望的結果。
I hurried to the post office only to find it closed.
我匆忙地去郵局，卻發(fā)現(xiàn)它已經關門了。
He hurried home only to find the guests had left.
他匆匆忙忙趕回家, 結果發(fā)現(xiàn)客人們已經走了。
溫馨提示：
現(xiàn)在分詞也可以作狀語表示結果，但表示的是意料之中的結果。
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¡±結構表示令人失望的結果。句意為：他到達機場，結果卻
發(fā)現(xiàn)飛機在兩分鐘之前就飛走了。
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