八年级英语上册阅读理解知识点归纳与练习.docx
- 文档编号:1981753
- 上传时间:2022-10-25
- 格式:DOCX
- 页数:29
- 大小:54.35KB
八年级英语上册阅读理解知识点归纳与练习.docx
《八年级英语上册阅读理解知识点归纳与练习.docx》由会员分享,可在线阅读,更多相关《八年级英语上册阅读理解知识点归纳与练习.docx(29页珍藏版)》请在冰豆网上搜索。
八年级英语上册阅读理解知识点归纳与练习
2020-2021年八年级英语上册阅读理解-知识点归纳与练习
一、八年级英语上册阅读理解专项练习(含答案解析)
1.阅读理解
Haveyoueverwonderedhowandwhyafallleafchangescolor?
Wefirsthavetounderstandwhatleavesareandwhattheydo.
Plantsaretheworld'sfoodfactories.PlantstakewaterfromthegroundandtakeCO2fromtheair.PlantsusesunlighttoturnwaterandCO2intoglucose(葡萄糖).Glucoseisakindofsugar.Usingitasfood,plantsgetenergyandgrow.PlantsusingsunlighttoturnwaterandCO2intosugariscalledphotosynthesis(光合作用).Chlorophyllhelpsphotosynthesis.Itgivesplantstheirgreencolor.
Assummerendsandautumncomes,thedaysgetshorterandshorter,andtrees"know"tobegingettingreadyforwinter.Duringwinter,thereisnotenoughlightorwaterforphotosynthesis.Treesrestduringthistimeandliveonthefoodtheystoreduringthesummer.Theybegintoshutdowntheirfood﹣makingfactories.Asthegreenchlorophylldisappearsfromtheleaves,webegintoseeyellowandorangeleaves.Thesecolorshavebeenintheleavesallthetime.Wejustcan'tseetheminthesummer,becausetheyarecoveredupbythegreenchlorophyll.
Thebrightredsandpurplesweseeinleavesaremademostlyinautumn.Insometrees,glucoseiscaughtintheleavesafterphotosynthesisstops.Sunlightandthecoolnightsofautumnturnthisglucoseintoaredcolor.Thebrowncoloroftreesismadefromwasteleftintheleaves.Itismixtureofallthesethings.Itmakesthebeautifulleavesduringautumn.
(1)Theunderlineword"chlorophyll"inthepassagemeans inChinese.
A. 胡萝卜素 B. 叶绿素 C. 维生素 D. 花青素
(2)Whentheyrestinwinter,treesliveonthefoodtheystoreduringthe .
A. summer B. autumn C. winter D. spring
(3)Plantsusesunlighttoturn intosugar.
A. waterandchlorophyll B. waterandCO2 C. CO2andglucose D. waterandglucose
(4)What'sthemainideaofthispassage?
A. What'sphotosynthesis?
B. Howandwhyleaveschangecolors?
C. Differentkindsofleaves. D. Howtheseasonschange.
【答案】
(1)B
(2)A
(3)B
(4)B
【解析】【分析】主要讲了叶子怎样变色及为什么变色。
(1)推断题。
根据Chlorophyllhelpsphotosynthesis.Itgivesplantstheirgreencolor.Chlorophyll有助于光合作用,它赋予植物绿色,故选B。
(2)细节题。
根据Treesrestduringthistimeandliveonthefoodtheystoreduringthesummer.树木在这段时间休息,并以在夏季储存的食物为生,故选A。
(3)细节题。
根据PlantsusingsunlighttoturnwaterandCO2intosugariscalledphotosynthesis(光合作用),植物使用阳光将水和二氧化碳转化为糖称为光合作用,故选B。
(4)主旨题。
根据Haveyoueverwonderedhowandwhyafallleafchangescolor?
Wefirsthavetounderstandwhatleavesareandwhattheydo.你有没有想过秋天叶子变色的方式和原因?
我们首先要了解叶子是什么以及它们做了什么,故选B。
【点评】考查阅读理解。
本文涉及细节题、推断题和主旨题三种常考题型,细节题要注意从文中寻找答案;推断题需要联系上下文,推断出需要的信息;主旨题需要通读全文,了解大意之后找出中心思想。
2.阅读理解
WhenIwasaboy,Ihadabigappetite(胃口).Iwasluckyenoughtohavemygrandma,becauseshealwayscookeddeliciousfoodforme.Atthattime,Ilivedatschoollcouldonlygobackhomeonvacation.ButwheneverIgotthechancetogobackhome,Iwouldliketostayinmygrandma'shome.
Whenmygrandmacookedinthekitchen,Iwouldliketohelpher.Ihelpedherwashvegetables,cleandishesandsoon.Thenlsetthetableandwaitedforhertoeattogether.Itwasreallyawarmmemoryforme.
Mygrandmaalwaystriedtocreatenewdishes.Everytimeaftershecookedanewdish,shewouldletmetryfirst.Thenshewouldwaitformycommentsforthedish.AfterItoldherhowIlikedthedish,shewouldwritedownsomenotesonasmallnotebook.
WhenIgrewup,Iwenttoanothercitytowork.AlthoughItriedalotoffoodinmanyexpensiverestaurants,inmyeyes,mygrandmawasthebestcookintheworld.
(1)Whydidthewritersayhewasluckyenough?
A. Becausehehadabigappetite.
B. Becauseheworkedinanothercitywhenhegrewup.
C. Becausehisgrandmaalwayscookeddeliciousfoodforhim.
D. Becausehisgrandmahelpedhimwithhisstudies.
(2)Whatisthesecondparagraphmainlyabout?
A. Howthewriterhelpedhisgrandmacook.
B. Whythewriteralwaysatewithhisgrandma.
C. Wilythewriterlikedtosetthetable.
D. Whythewriterlikedtocleandishes.
(3)Theunderlinedword"comments"inthepassagemeans" ".
A. 协助 B. 品尝 C. 赞助 D. 评论
(4)WhichofthefollowingisNOTtrueaccordingtothepassage?
A. Thewriterlivedatschoolwhenhewasaboy.
B. Thewriterstilllikedhisgrandma'sdishesverymuchwhenhegrewup.
C. Thewriterneverwenttotheexpensiverestaurantstotryfood.
D. Thewriterlikedtostaywithhisgrandmawhenhewentbackhomefr
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 年级 英语 上册 阅读 理解 知识点 归纳 练习