内容正文:
话题读写思维训练·辽宁英语
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话题18 科学与技术
[沈阳6年3考]
【话题角度】发明与创造、新科技、科技人物、科技对我们生活的影响、科技展望
【教材单元链接】
人教 外研 沪教
八(上)Unit7未来的生活
九(全)Unit5中国制造的事物
九(全)Unit6发明创造
七(上 )Module7因特网的使用
九(上)Module9伟大的发明
八(上)Unit3电脑
八(上)Unit4发明
八(下)Unit7未知太空
优质语篇
Passage1
【课标高频词句】
1.bepopularwith
2.inorderto
3.cut爥intopieces
4.setup
5.inreallife
6.infact
7.leadto
8.circlearoundonesneck
9.createlotsofheat
10.cutthrough
11
.befarawayfrom
HaveyouwatchedtherecentTVprogramThreeBody?ChangedbyLiuCixinssciencebookThe
ThreeBodyProblem,theshowisverypopularwithpeople.Oneofthemostexcitingpartsmustbe
OperationGuzheng(“古筝行动”).
Inordertofindtheimportantinformationonahugeship,peopleplantocuttheshipintopieces.
Theysetupmanythinstrings(线)acrosstheriver,whicharemadebyhightechnology.Lookinglike
Guzheng,thestringsquietlycutthesteelshipintopiecesasiftheshipwassofttofu!
Isitpossibletocutshipswiththinstringsinreallife?Infact,stringsareverygoodatcuting.For
example,theeggcutingmachineusesthinstringstocuteggsintopieces.Akitelinecaneasilyhurt
peopleifitgetscirclearoundtheirnecks.Thisisbecausethethinstringshaveaverysmalcontactarea
(接触面积),leadingtoahighintensityofpressure(压强)whentheycutthings.
Intheprogram,thestringsareasthinashumanhair.Tocuttheship,thepressureneedstobe200
MPa(兆帕斯卡,压强单位).Howstrongisthatpressure?Imagineanelephantstandingonastring!In
reallife,scientistswontbeabletomakesuchthinstringsthatwouldnteasilybreakatleastinrecent
years.Thecutingwilalsocreatelotsofheat.Wedonthavethethingstobearthathightemperature
whileitsalsothinenoughtocutthrough.Itsstilfarawayfromthetechnologyintheprogram.
(A )1.Whatdoestheunderlinedword“steel”inParagraph2meaninChinese?
A.坚硬的 B.庞大的 C.高科技的 D.新式的
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话题读写思维训练·辽宁英语
第
一
部
分
高
频
话
题
专
练
(C )2.WhatdoesParagraph3mainlytelus?