高一必修二Unit3reading知识点讲解

　　unit 3 computer知识点讲解
　　原创人：北大附中河南分校王萍
　　1.i began as a calculating machine in france in1642.
　　translate：__________________________________________________
　　现在分词作定语可以表示修饰词的性质，特征。现在分词通常表示主动意思
　　translate: excitingnews________arunning man__________
　　thetrain leaving at ten_______ ___
　　fallingleaves_______fallenleaves_________
　　a surprising look____________ asurprised look___________
　　连接高考：
　　1 the _____ look on her face suggested that she______ itbefore.
　　a surprising; wouldn’tknowb suprising; hadn’t know
　　c surprising; hadn’tknowd surprised; shouldn’t know
　　2 a communicative satellite______ as much as 3.5 tons was sentup into space last week.
　　awighingb weighed cto beweighedd being weighed
　　3 scientists have______ that the world’s population will doubleby the end of this century.
　　a numbered bincludedccalculatedd designed
　　2.i developed very slowly and it took nearly two hundred yearsbefore i was built as an analytical machine by charlesbabbage.
　　before用于这类句型的结构有：
　　it didn’t take/was long before------过了不久就-----
　　it will take/ be longbefore------要过很久----
　　it won’t take/be long before------不久-----
　　translate：
　　it didn’t take long before the fire was under control
　　it will be five years before we meet again
　　选学：
　　① this / it is the first / second…time +that 从句。that从句一般用现在完成时，如果把前边的is改为was，则that从句用过去完成时。如：
　　this is the first time i have come here.
　　it was the third time (that) he had made the same mistake.
　　② it is / has been +一段时间 + since从句。since从句中用过去完成时。
　　it was ten years since we had had such a wonderful time.
　　③ be about todo…when…意为＂即将……（这时）突然……＂。如：
　　i was about to go out when the telephone rang.
　　④ be (was /were) + doing… when…意为＂正在干……（这时）突然……＂。
　　they were reading when tom shouted in pain.
　　⑤ hardly had…done…when… ; no soonerhad…done…than…
　　when 和than从句里用一般过去时，表示＂刚刚……就……＂。如：
　　hardly (no sooner) had i got home when (than) the rain poureddown.
　　连接高考：
　　1.the filed research will take john and paul about five months; itwill be a long time___ we meet again.
　　aafterbbeforecsinced when
　　2----how long o you think it will be_____china sends a mannedspaceship to the moon
　　---perhaps two or three years?
　　awhenbuntilcthatd before
　　3.in 1936 my real father, alan turing, wrote a book about how icould be made to work as a ＂ universal machine＂ to solve anydfficult mathematical problem.
　　区别： make sb dosth____________sb be made to do sth________________
　　translate:
　　是什么让你梦想成真？________________________________________________
　　假如一个人被迫去干活，那他不可能干好
　　_____________________________________________________________________
　　连接高考：
　　1.my parents have always made me_____ about myself, even when i wastwelve.
　　a feelingwell bfeeling goodc feelwelld fell good
　　2 helen had to shout_____ above the sound of the music.
　　a making herselfhearb to make herself hear
　　c making herselfhearddto make herself heard
　　4.as the years have gone by, i have been madesmaller and smaller.
　　总结as的用法：
　　l做连词，引导时间状语从句,表示＂随着＂
　　as the wniter drew near he began to feel cold.
　　l＂随着＂ as+ 句子/ with+ 成分
　　with the passing of the years, they have become closefriends.
　　lconj 虽然，尽管，引导让步状语从句且所引导的状语从句常倒装
　　child as she is, she know a lot
　　young as he is, he speaks english very well
　　连接高考：
　　1_______, his idea was accepted by all the people at themeeting.
　　a strange as might itsoundb as it might sound strange
　　c as strange it mightsoundd strange as it might sound
　　2. mother was worried because little alice was ill,especially_____ father was away in france.
　　aasbthatc during dif
　　复习go的相关短语
　　goahead_______________ goagainst_________________
　　go infor_______________ gothrough__________________
　　go up__________________ go down_____________________
　　小试牛刀：
　　1.-----didn’t you have a good time at the party?
　　----- of course i did. as a matter of fact, i had such fun thattime seemed to_____
　　so quickly.
　　a gobyb go away cgooutd go over
　　2. don’t let this chance______. you may not have anotherone.
　　a gooutb gobyc goond go over
　　4. as a result i totally changed myshape.
　　导学： as a result因此，作为结果as a result of作为---的结果
　　注意：as aresult后不能与that连用；而with theresult后可与that从句连用
　　filling in the blanks：
　　he runs every day.__________, he has lost weight.
　　she was late _____________ snow.
　　uncle rose worked day and night__________that he failed inhealth.
　　uncle rose worked day and night, __________,he failed in health.
　　连接高考：
　　my friend martin was very sick with a strange fever,_______, hecould neither eart nor sleep. (江西XX)
　　a as aresultb after all canywayd otherwise
　　totally adv.整个地;完全地totally blind 全盲
　　total adj. 完全的;整个的total silence 寂静无声
　　in total 总共
　　5. over time my memory has developed so muchthat, like an elephant, i never forget anything i havebeen told.
　　复习：so--- that----/ so that------
　　translate:
　　他是如此的年轻，因此你要原谅他_______________________________________
　　我靠近他以便能听清楚他在说什么______________________________________
　　6 but i was always so lonely standing there by myself,until in early 1960s they gave me a family connected by anetwork.
　　translate:
　　the experts explored the island until the end of last year.
　　we didn’t solve the problem until mr. smith helped us.
　　it was not until last year that my hope became a reality.
　　not until noon did it stop raining.
　　注意：alone/lonely的区别
　　连接高考：
　　1 he is used to______, though he is_____, he isn’t_______ atall
　　a live alone; alone;lonelyb living alone; alone; lonely
　　c living lonely; lonely;aloned live lonely; lonely; alone
　　2. it ____ we had stayed togher for a couple of weeks_____ ifound we had a lot in common.
　　a was until; when b wasuntil; that c wasn’t until;when d wasn’tuntil; that
　　7. anyhow, my goal is to provide humans with a life ofhigh quality. i am now truly filled with happiness that i am adevoted friend and helper of the human race.
　　拓展：
　　anyhow=anyway adv无论如何，即使如此，反正（位于句首或句末）
　　somehow= somewayadv不知怎样地
　　translate：
　　he may not like my vist, but i shall go and see him anyhow.
　　somehow i don’t like him.
　　连接高考;
　　1 ______, you can try, even if there is not much chance ofsuccess.
　　a any waybanywayccertaind sure
　　2 it’s possible that i’m not fit to be a teacher just as yousay, but_____, i’ll have a try.
　　a somehow banywayc therefore d otherwise
　　3 ---- would you like me to help you with those heavy bags?
　　---- i can manage myself. thank you_______
　　ahoweverbsomewaycanywayd same
　　综合小测
　　1scientists have___that the world’s population will double by theend of this century
　　a numbered bincluded ccalculated ddesigned
　　2. _____, mother will wait for him to have dinner together.
　　a however late isheb however he is late
　　c however is helated however late he is
　　3. it’s always better to______ your worries and problems.
　　asharebenjoycappreciated like
　　4. ______ i see no objection to your leaving at once.
　　a personalb personally cpersonalityd in person
　　5. john was made_____ the truck for a week as punishment.
　　a to washbwashingcwashd to be washing
　　6. i don’t______ rock ＂n＂ roll.ti’s much too noisy for mytaste
　　a goafterb go awaywith c gointo d go infor
　　7. everybody in the village likes jack because he is good attelling and____ jokes.
　　aburning up b puttingupc making up d showing up
　　8. in____, he began to learn russian, when he was in_____
　　a 1970; the50’sb the 1970; his50s
　　c the 1970s; his50d 1970; his fifies
　　9. he was told that it would be at least three more months_____he could recover and return to work.
　　awhenbbeforecsinced. that