高中英语：选必三U2Grammarandusage教案.docx

Unit2Outofthisworld

Grammarandusage:Subjectclauses

内容分析：

本板块围绕单元话题,引导学生在有关“天文望远镜的使用”的语篇中观察、探究主语从句的使用，归纳出核心规则；再通过句子、语篇两个层面的巩固练习让学生内化相关知识；最后让他们运用所学，准确、恰当、得体地使用目标语法，完成预测太空探索发展的写作任务，实现“形式—意义—使用”的统一。

教学目标：

Bytheendofthissection,studentswillbeableto:

identifytheuseofsubjectclauses;

workouttherulesofsubjectclauses;

usesubjectclausestofinishthetasks;

writedownthepredictionaboutthedevelopmentofspaceexplorationusingsubjectclauses.

教学重难点：

Toidentifytheusageofsubjectclauses;

Tousethesubjectclausescorrectlyandproperly;

教学过程：

Step1Lead-in

WhatistheHubbleSpaceTelescope?

WhatisFAST?

HubbleSpaceTelescope

FAST

WhatistheHubbleSpaceTelescope?

TheHubbleSpaceTelescopeisthelargestastronomicaltelescopeeversentintospace.Itwaslaunchedin1990.

Thetelescopeistoprovideastronomerswithfascinatingnewinformationonthestateoftheuniverse.Someofitsbreakthroughsincludethediscoveryoftheunexplainedphenomenonofdarkenergy,evidenceofblackholesandobservationsofstarsinthelaststagesoftheirlives.

WhatisFAST?

Step2 Exploringtherules

Readthearticleonpage20andfillinthefollowingtable.

Theuseoftelescopestoexplorespace

Time

Breakthroughs

Use

In1990

(1)______________

(2)_____________

(3)____________

TheKeplerTelescope

(4)______________

(5)___________

(6)_______________

Todetectcommunicationsignalsbetweenthestarsintheuniverse

Answers：

1.TheHubbleSpaceTelescope

2.Toseefurtherthanground-basedtelescopes;toplayacrucialroleinthediscoveryofthemysteriousdarkenergy.

3.In2009

4.TosearchforEarth-sizeplanetsorbitingotherstars.

5.Inrecentyears

6.FAST

FindthesentenceswithsubjectclausesinthearticleandfillintheboxofpartAonpage20.

ThatHubbleisbasedinspaceallowsittoseefurtherthanground-basedtelescopes,...

Itisclearthattelescopesarecrucialtoolsforspaceexplorationandthat...

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