Unit 6 Understanding ideas 课件 外研版（2024）英语七年级上册.pptxVIP

Unit6

Thepowerofplants;

学习目标

通过阅读，了解植物光合作用的过程，意识到植物是自然

界的“生产者”,对自然界有不可替代的作用。

通过合作探索，了解拟人的写作手法和双关的修辞手法。

通过归纳法和演绎法，学习掌握一些高频词的意义和用法。;;

WhatdoyouseeintrWithina

sunlight

plantn.植物

工厂

sugar

此图为植物进行光合

作用(photosynthesis)

的示意图

oxygen

二watercarbondioxide;

sugarn.somethingsweet糖

2sugar;

Readthepassageandcheckyouranswers.

sunlight

Heisgoingtostartworkintheplant.

sugar

Whatishegoingtodo?

watercarbondioxideoxygen;

Sugar—Itsusefulforthe

growthoftheplant.

Oxygen—Itmeansalotto

animalsandhumans.;;

Learningtothink

Apun(双关语)isawordwith

morethanonemeaning.Itsacleverwaytomakethepassage

moreinteresting.;

●英语中最常见的双关是同音双关和多义双关。

●同音双关：利用读音相同或相近但意义不同的词语表达不同

语意。

例如：Abicyclecantstandonitsownbecauseitistwo-tyred.

(two-tyred是tootired的同音双关)

●多义双关：利用一个词的多重含义表达不同语意。

例如：Brokenpencilsarepointless.

(pointless有“无用的”和“没有尖头的”双重含义);

Herearesomefunpunsforpractice.

1)Themathematician(数学家)splantsstoppedgrowing.Hefoundtheydidnthaveenoughsquareroots.

squareroots有“平方根”和“方形根”双重含义。

2)Iusedtoplaypianobyear,butnowIusemyhands.;

4)Whywasthemathbooksad?Becauseithadtoomany

problems!;

Readagainandanswer

thefollowingquestion:

Whatsthemainideaofthe

passage?

Plantsmeansalottoanimals

andhumans.;

aHowtomakesugar

bHowplantswork

cWhyplantsaregreat

dGoingtothegreatworkshop;

Itsquarterpastseven.HeresWorkerNo.55inhisgreenuniform.

Hesgoingtostartworkintheplant.

HeworksinWorkshop1001intheLeaf.Thereare20to100

workersineachworkshop.TheycollectsunlightandCO?duringthedayNowworkersfromtheRootsendupwater.Thewater

willriseuptotheLeafthroughtheStem.ThenworkersintheLeafwillmixwater,CO?andsunlight.

Whataretheygoingtoproduce?Mostimportantly(forthem),

therewillbesugar!Itsusefulforthegrowthoftheplant.Anotherprod