Unit6Thepowerofplants;单元话题：Theamazingworldofplants

神奇的植物世界;Thewomanisbuyingvegetablesinthemarket.

Peoplegrowavarietyofplantstoproducefood.;Thewomanisweighingtheherbalmedicine（草药）inthedrugstore.

Someplantsaregoodmaterialformedicine.;Pre-reading;Wordsinthepicture;2.root/ru?t/n.根

复数形式：roots

常用搭配：

rootcause(根本原因)rootsystem(根系)takeroot(扎根)

例句：Thetree’srootsareverydeep.(这棵树的根很深。);3.stem/stem/n.（植物的）茎，梗，柄

复数形式：stems

常用搭配：

flowerstem(花茎)stemfrom(起源于)

例句：Therosehasathornystem.(玫瑰有刺茎。);4.sugar/???g?/n.糖

常用搭配：

sugarcane(甘蔗)sugarcontent(含糖量)sugarfree(无糖)

例句：Toomuchsugarisbadforyourhealth.

(摄入过多的糖对健康不利。);5.oxygen/??ks?d??n/n.氧

常用搭配：

oxygentank(氧气罐)oxygenlevel(氧气水平)oxygenmask(氧气面罩)

例句：Weneedoxygentosurvive.

(我们需要氧气来生存。);While-reading;3Whataretheygoingtoproduce?Mostimportantly(forthem),therewillbesugar!Itsusefulforthegrowthoftheplant.Anotherproductwillbeoxygen,buttheplantdoesntneedmuchofit.Itmeansalottoanimalsandhumans,though-theyneeditto

breathe!

4Theworkersworkhard.Soonitsgoingtogetdark.Theywilltakearest.

5Therearemillionsofplantsonearth.Theygivemorethanfoodandoxygen.Withoutplants,thenaturalworldwouldbeverydifferent!

;plants;Post-reading;plantn.

alivingthingthatgrowsintheearthandusuallyhasastem,leavesandroots,especiallyonethatissmallerthanatreeorbush植物

;Theusesofplants;Keyphrasesinthetext:;重点语法--一般将来时;重点语法--一般将来时;

will和begoingto的比较

1.will和begoingto都可表示某种意愿，但其含义和用法有所不同。

begoingto往往表示经过考虑的打算,而will多表示意愿、决心。

Wearegoingtowatchthefootballgame.我们打算观看这场足球赛.

Iwilltellyouallaboutit.我将把全部情况告诉你.

2.will可用于条件从句表示将来的意愿,而begoingto用于条件从句,只是表示单纯的将来,试比较

MissGaowilltellyoutheanswerifyouaskher.如果你去问高老师,她会告???你答案的。

Ifyouaregoingtoattendthemeeting,youdbetterleavenow.如果你要参加会议,最好现在就走。;一般将来时的用法

1.标志词：常与表示