人教版必修2Unit3解析
小編今天整理人教版必修2Unit3的解析,如果有需要的同學們可以收藏起來參考一下。
Unit3 Computers知識點詳解
Ⅰ. 常考單詞必背
lify vt. 簡化
Try to simplify your explanation for the children.
設法讓你的解釋簡易一些,讓孩子們能聽懂。
[快速閃記]
simplified adj. 簡化的
simplification n. 簡化
2. sum n.總數;算術題;金額 v.合計
In sum,the course is clear.
總而言之,這個過程是清晰的。
[快速閃記]
in sum 總之,總而言之
sum up 概括;合計
sum up to 總計為
lligence n.智力;聰明;智慧
Computer scientists study artificial intelligence.
計算機科研人員研究人工智慧。
[快速閃記]
intelligent adj. 智慧的;聰明的
4. solve vt. 解決;解答
Can you help me to solve this maths question?
你能幫我解答這個數學問題嗎?
[快速閃記]
(1) solve/settle/deal with problems 解決問題
(2) solution n. 解決,解答
l adj. 總的;整個的 n. 總數;合計
In total,they spent 420 hours on the project.
他們在這項工程上總共花了420 個小時。
[快速閃記]
totally adv. 完全地;整個地
ication n.應用;用途;申請
There were more than 300 applications for the six jobs.
有300多人申請這6份工作。
[快速閃記]
apply v. 應用,運用,申請,請求
7. explore vt.&vi. 探索;探測;探究
The scientists are exploring all possible ways to improve food production.
科學家們正在探究所有可能提高食品產量的方法。
[快速閃記]
exploration n. 探索
explorer n. 探險者
8. anyhow adv. (也作anyway)無論如何;即使如此
The fog was heavy that day, but anyhow he drove away.
那天的霧很大,但是即使如此他還是開車離開了。
[快速閃記]
somehow adv. 不知怎麼地;以某種方式
somewhat adv. 稍微;有點
9. goal n.目標;目的;球門;(進球)得分
To become an excellent director is her life goal.
成為一名優秀的導演是她的人生目標。
[快速閃記]
life goal/one's goal in life 人生目標
set a goal 設定一個目標
achieve/realize one's goal 實現目標
10. signal vi.&vt. 發訊號 n.訊號
He signaled the waiter to bring the menu.
他做手勢要侍者拿選單來。
[快速閃記]
signal (to) sb (to do sth) 向……發出(做……)的訊號,示意(某人)做某事
signal to do 用訊號指示做……
signal (sb) that 示意……
Ⅱ. 高頻短語必會
從……時起
From now on,we should pay more attention to protecting the environment.
從現在起,我們應該更加註意保護環境。
[快速閃記]
from then on 從那時起
from now on 從今以後
from that day on 從那天起
a result 結果,單獨使用,作連線性狀語,起承上啟下的作用。
He didn't work hard; as a result he failed the exam.
他學習不努力,結果考試不及格。
[快速閃記]
as a result of 表示“由於……的原因,作為……的結果,”後接名詞或代詞,在句中常用來引導原因狀語。
... 如此……以至於……
She was so strong that she could lift the heavy box.
她很強壯,能夠拎起這個沉重的盒子。
[快速閃記]
so+形容詞/副詞+that... 如此……以至於……
so+形容詞+不定冠詞+名詞單數+that... 如此……以至於……
so+much/little+不可數名詞+that... 如此多/少……以至於……
so+many/few+可數名詞複數+that... 如此多/少……以至於……
a way (=in one way/in some way) 在某種程度上
[快速閃記]
in this way 用這種方法
in the/sb's way 擋路,妨礙
in no way 決不(置於句首,句子要倒裝)
the help of 在……的幫助下
With the help of my teachers,I have made great progress.
在老師們的幫助下,我已取得很大成就。
with 對付,應付;處理,安排;論及,涉及;與……交流,交易
You should deal with him more politely.
你應該待他更客氣一些。
[快速閃記]
deal with中的deal為不及物動詞,常與疑問詞how連用,表示“怎麼處理/對待”;同義短語為do with,其中的do為及物動詞,表示“怎麼處理/對待”時,與疑問詞what連用。
Ⅲ. 寫作句式必學
took nearly two hundred years before I was built as an analytical machine by Charles Babbage.
大約兩百年後,查爾斯·巴比奇才把我製成了一臺分析機。
time went by,I was made smaller.
隨著時間的推移,我被做得更小了。
ow,my goal is to provide humans with a life of high quality.
不管怎樣,我的目標是給人類提供高質量的生活。
the time I was sixteen,my dream had come true.
到我16歲時,我的夢想已經成為現實。
programs us with all the possible moves she has seen while watching human games.
她把觀看人類比賽時所看到的一切可能動作編入我們的程式。
ough I was young I could simplify difficult sums.
儘管我很年輕,但我能簡化一些複雜的數額。
Ⅳ. 短文語法填空,然後背誦短文,熟記本單元的重點詞彙。
Computers
The goal of early calculating machines was __1__(simplify) difficult with the help of new technology,electronic chips replaced tubes and a revolution of artificial__2__(intelligent) has then on,the appearance of computers totally__3__(change) our can not only download information from the net when __4__(connect) by the network or mobile phone signals,but also solve different types oflogical operators as their __5__(coach),they can even control rockets toexplore the moon and instruct androids with the human race's characters to mop floors and watch over __6__(you) naughty ow,computers are so helpful __7__ they do bring happiness.
However,computers are easily attacked by reality has become a problem that is hard to deal with.__8__ a result,computers are dangerous in __9__ ,__10__(personal),I worry about their universal applications in some fields,such as finance.
答案:
1. to simplify 2. intelligence 3. changed 4. connected
5. coaches 6. your 7. that 8. As 9. a 10. personally
Unit3 Computers單元練習
Ⅰ. 單句語法填空
must learn to consult your feelings and your reason __before__ you reach any decision.
解析:考查連詞與狀語從句。句意:在做任何決定前,你一定要學會考慮自己的感覺與理智。before在……之前,引導時間狀語從句,符合題意。
hing straight after a meal may damage the top of your teeth;__as__ a result, you may feel pain when eating.
解析:句意:飯後立即刷牙會對牙齒表層造成傷害,結果是吃飯時會感到疼痛。as a result結果。
difficulties have __arisen__(arise) as a result of the change over to a new type of fuel.
解析:句意:由於換成了一種新型燃料,許多困難出現了。arise意為“出現,產生”,符合句意。
d you tell me how to deal __with__ these problems so that I will be able to adapt to the life in Guiyang?
解析:句意:你能告訴我為了適應貴陽的生活,我應該如何應對這些問題嗎?deal with“處理,應對”,和how連用。
mother thanked the young man again and again, without __whose__help her son would have been killed by the passing car.
解析:考查定語從句關係詞。句意:媽媽一遍又一遍的感謝那個年輕人,要不是他的幫助,她的兒子會被這個路過的車撞死。後面定語從句中,缺少定語,故用關係代詞whose。
made __such__ little progress __that__ his parents felt disappointed.
解析:考查結果狀語從句。中心詞是名詞,所以用such,後面句子中不缺少成分,不能用as而只能用that。
much work did we have to do __that__ we were so exhausted.
解析:由語境可知,本題考查“...”句型。句意為:我們要做的工作如此多以至於我們都精疲力竭。
8.(2016·天津,7改編)__As__the average age of the population increases, there are more and more old people to care for.
解析:考查連詞。句意:隨著人口平均年齡的增長,越來越多的老人需要照顧。
9.—Why do you look so worried?
—My computer broke down and my essay __has_been_left__(leave) unfinished since.
解析:考查動詞時態和語態。句意為:——為什麼你看起來如此著急呢?——我的電腦壞了,而且我的論文還沒有完成。根據題幹中的時間狀語詞since可知,此處應用現在完成時,而且主語my essay和謂語動詞之間是動賓關係。
nderstandings __arising__(arise) from lack of social communication, unless __handled__(handle) properly, may lead to serious problems.
解析:考查非謂語動詞。句意:由於缺乏社會交流而造成的誤解,如果得不到恰當的處理,可能會導致嚴重的問題。第一空,misunderstandings和arise為邏輯上的主謂關係,所以用arise的現在分詞形式,arise from意為“由……產生”。第二空,handle和misunderstandings為邏輯上的動賓關係,所以用handle的過去分詞形式。
won't start the work until all the preparations have__been_made__(make).
解析:本題考查動詞的時態和語態。句意:直到所有的準備工作都做完了,我們才開始工作。根據主句中的關鍵詞語won't start(不會開始)是一般將來時知,until引導的時間狀語從句用一般現在時或現在完成時代替將來時。
'd better write down her phone number before you __forget__ (forget) it.
解析:句意:趁著還沒有忘記,你最好把她的電話號碼寫下來。before本意是“在……之前”,在句中引導時間狀語從句,根據具體的語境在句中可譯為“趁著……,以免……”,從句中用一般現在時態表示將來的動作。根據語境可知forget為將來的動作,故此處用一般現在時表示將來。
e intelligent people can often __simplify__(simple) the complex, a fool is more likely to complicate the simple.
解析:根據While可知,前後句是轉折關係。句意:聰明的人可以簡化複雜的事情,愚蠢的人使簡單的事情複雜化。simplify簡化。
thinks it won't be long__before__he is ready for his new job.
解析:句意:John認為用不了多久他就會為自己的新工作做好準備。It won't be long before...是個固定句型,意為“用不了多久就……”。
y nearly missed the flight as a result __of__doing too much shopping.
解析:句意:由於購物太多,珍妮差點誤了航班。as a result of“由於……的結果”。
Ⅱ. 完成句子
1.__From__ __then__ __on__ (從那時起), Tom made up his mind to become an outstanding artist.
won a gold medal in the Olympic Games.__As__ __a__ __result__(結果), he was praised by all.
3.__In__ __a__ __way__(在某種程度上), I can see what you mean and I totally accept your point of view as well.
modern society, children must be taught how to __deal__ __with__(處理/對付) different situations in their life.
5.A true friend with a sense of responsibility is a friend who can always __share__(分享) happiness and sorrow __with__you.
6.在電腦的幫助下,學生在家上課將成為可能。
__With__ __the__ __help__ __of__ __the__ __computer__, it will be possible for students to have classes at home.
7.這條狗太聰明瞭,主人不在時它會為主人看家。
The dog is so clever that he can __watch__ __over__ his master's house while the master is away.
8.湯姆和瑪麗很快成為好朋友,畢竟,他們有許多共同之處。
It __look__ __a__ __short__ __time__ __before__ Tom and Mary became good friends;__after__ __all__, they __have__ __a__ __lot__ __in__ __common__.
9.隨著時間的推移,任何有足夠優秀的選手的國家都可以參加奧運會。
__As__ __time__ __goes__ __by__, any country can take part in the Olympic Games if their athletes are good enough.
10.像我們這樣好的隊應該能擊敗任何競爭者。
A team __as__ __good__ __as__ ours should be able to mop the floor with any competitor.
Ⅲ. 單句改錯
onal, I disagree with you on your plan.
__Personal→Personally__
ng you are sorry won't make out the damage of breaking the vase.
__out→up__
3.I think we should work out a strategy to deal this situation.
__deal後加上with__
helped each other in studies and as the result they made great progress and became good friends.
__the→a__
r the help of the computer, it is now easy to deal with and share information.
__Under→With__
time went by, I gradually adapted myself to the school life.
__with→As或went→going__
the way,I'm glad you made that mistake,for it will serve as a warning to you.
__the→a__
ne he breaks the law will be punished.
__he→who__
you have any concrete thoughts on what to deal with this difficulty?
__what→how__
environment of Hong Kong is very outstanding that it is chosen as one of the world's most livable cities.
__very→so__
Ⅳ. 語篇填空
My first football competition was in Nagoya, Japan several years year our team went to Seattle, Washington in the ①__won__(win) second onally, I think the team ②__that/which__ won first place had developed ③__a__ new type of program just ④__before__ the competition. So we need to encourage our programmer ⑤__to_improve__(improve) our intelligence too. We are determined to create an even ⑥__better__(good) system. In a way our programmer is like our coach. She programs us with all the possible moves ⑦__she__ has seen while watching human games. Then she prepares reliable moves to use ⑧__if__ a new situation arises. In this way I can make up new moves ⑨__using__(use) my “artificial intelligence”.I would really like to play against a human team, for I have been programmed to act just like them. After all, ⑩__with__ the help of my electronic brain which never forgets anything, using my intelligence is what I'm all about!
Ⅴ. 教材原句
se take me to a distant land __where__ I can find the animal __which/that__ gave fur to make this sweater.
解析:考查定語從句。第一個從句中不缺主語和賓語,先行詞表地點;第二個定語從句中缺少主語,指物。
should pay more attention to the rainforest __where__ I live and appreciate how the animals live together.
解析:考查定語從句。從句中不缺主語和賓語,先行詞表地點。
flying carpet travelled so fast __that__ next minute they were in Zimbabwe.
解析:考查“so+adj./adv.+that”句式,意為“如此……以致於……”。
contains a __powerful__ (power) drug which __affects__ (affect) mosquitoes.
解析:第一空考查詞形轉換,應用形容詞作定語;第二空考查主謂一致,定語從句的謂語單複數形式取決於先行詞,該句先行詞drug為單數。
Tibet Daisy saw an antelope __looking__ (look) sad.
解析:考查分詞作賓補。強調動作正在進行,且antelope與look之間為主動關係,故用looking。
y turned around and found that she __was_being_watched__ (watch) by an elephant.
解析:考查動詞時態。分析turned around以及found可知watch正在進行且與主語為被動關係。
ists were allowed __to_hunt__ (hunt) only a certain number of animals if they paid the farmers.
解析:考查“be allowed to do sth.”,因此填不定式。
ng carpet, please show me a place __where__ there's some wildlife protection.
解析:考查定語從句。從句中不缺主語和賓語,先行詞表地點。
dy knows for sure why and how dinosaurs disappeared from the earth in __such__ a short time.
解析:考查“such+a(n)+adj.+n.”結構。
were surprised __to_find__ (find) that these dinosaurs could not only run like the others __but__climb trees.
解析:第一空考查表感情的形容詞後跟不定式的用法;第二空考查“not also...”結構。
Ⅵ. 話題寫作
用本單元所學知識完成下列句子,並按照邏輯連成短文。
1.近來,高智商的機器人出現了。
High intelligent robots__have_arisen__recently.
2.有些可以打字、發訊號。
Some can__type_and_signal__.
3.有些能處理一些重要事情。
Some can__deal_with__some important things.
4.在某種程度上說,電腦改變了我們的生活。
__In_a_way__,computers__have_changed_our_life__.
5.許多學生對電腦如此著迷以至於在電腦上花費了太多的時間。
Many students become so crazy about computers that they spend too much time on them .
6.部分學生在考試中失敗。
Some of the students fail in the exams.
7.但不管怎麼說電腦在我們的日常生活中起很重要的作用。
Anyhow computers play an important part in our life.
組篇公式:定語從句連線句1、2+過渡詞。
答案:
High intelligent robots have arisen recently, some of which can type, signal, and even deal with some important things. In a way, computers have changed our life. However, many students become so crazy about computers that they spend too much time on them. As a result, some of the students fail in the ow, computers play an important part in our life.