九年级英语第十八单元Planting trees 植树

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内容

一、教法建议

【抛砖引玉】

单元双基学习目标

Ⅰ.词汇学习

plant,wonderful,dig,deep,stick,tie,diagram,forest,copy,million,towards,mountain,harvest

neither…nor,knock…into…,nextto,sothat,cutdown,millionsof,stop…fromdoingsth,blow…away,notonly…butalso…,inafewyears\"time,faraway,thanksto

Ⅱ.句型学习

Tiethetreetothetopofthesticktokeepitstraight.

Themore,thebetter.

Therivernearhereisoverfourmetresdeep.

TheGreatGreenWallisbetween400and1700kilometreswide.

Treesmustbewateredwell.

Theearthshouldbepusheddownhard.

Moreorless!

Whileyou\"redoingthatI\"llgoandgetsomewater.

Ⅲ.语法学习

1)含有情态动词的被动语态的构成及用法。

2)计量的表达。

Ⅳ.交际英语

如何让别人做某事。

【指点迷律】

单元重点词汇点拨

1.plant1)种植(动词)2)植物(名词)

Weplantedsomerosesinthegarden.

Aprilisthetimetoplanttrees.

Theyareplantingvegetables.

［点拨］plant还可作“工厂”讲。

2.wonderful极好的；精彩的(形容词)

That\"sawonderfulidea.

Whatawonderfulinvention!

Hetoldmeawonderfulstory.

［点拨］haveawonderfultime过得极为愉快。

3.neither(两者)都不

［点拨］1)(两者)都不的(形容词)

Neitherwatchworks,theyarebothbroken.

［注意］neither作形容词只能与单数名词或代词连用。

2)(用于否定句)也不(副词)

Johnwon\"tgo,andneitherwillI.

Hecannotswim,neithercanhisbrother.

Youdidnotseehim,neitherdidI.

3)(常和nor连用)也不(连词)

Itisneitherbluenorgreen.

NeitheryounorIamright.

4)(两者)都不(代词)

Neitherofthemisgoodhealth,buttheyworkhard.

Neitherofthestorieswastrue.

［点拨］neither…nor…连接的两个并列成分作主语时，谓语的单复数符合就近一致原则。如：Neitheryounorheiskind.

4.nor也不(用在neither,nor,not,never等否定词之后)(连词)

Ihaveneitherbrothersnorsisters.

Ididn\"tgo,nordidthey.

Hedoesn\"twanttogothere,nordoI.

5.dig挖，掘(动词)

Theyhavestarteddiggingtheirpotatoes.

Hewasdiggingahole.

Thetruthwasdugout.

［点拨］dig的过去式，过去分词，现在分词分别为dug,dug,digging。

6.hole洞；坑

Theboathasaholeineachside.

Pleasefilltheholeinmytooth.

7.deep深的，深厚的，深色的(形容词)

Thereisadeepwellinourvillage.

Thisriverisnotverydeep.

Hercoatisdeepred.

TheoldmanhadadeeplovefortheParty.

［点拨］bedeepinabook埋头读书。talkdeepintothenight谈到深夜。deep常用于具体的深度，包括时间和空间。deeply用于抽象的、比喻的“深”。

8.earth土；泥；地球；大地

Motherplantedflowersintheearth.

Theearthisbiggerthanthemoon.

9.tie(用绳、线等)系；扎；拴(动词)

Theboytiedthedogtothetree.

Theytiedhimwithcords.

Iamtiedtomyworkallday.

［点拨］tiesthto…把……系(拴)在……tiesth,withsth.用……系(拴)…10.water浇水、灌溉(动词)

Theyarewateringflowersinthegarden.

Theyarewateringthestreets.

［点拨］water作抽象名词和物质名词表示一般概念时前面通常不用冠词，只有当它被一个限制性定语修饰时才加冠词。

11.untrue不真实的；假的(形容词)

Itisanuntruestory.

Heisuntruet