全优课堂英语选择性必修第四册(人教版)课件UNIT 3　Period 3.pptx

UNIT3SEAEXPLORATION;课前自主预习;Ⅰ.猜词意;1．Isetthelogonthegroundandshavedoffthebark. ()

2．Thisoptionletsyousearchyourcurrentdirectoryforfilesbydate,contents,anddocumentsummary. ()

3．Thedoctorwillseeyouagainnextweek.Meanwhile，youmustrestasmuchaspossible. ()

4．Sealsandwhalesaremarineanimals. ()

5．Weneedtomakesurethatweexploitourresourcesasfullyaspossible. ()

【答案】1.D2.C3.A4.E5.B;Ⅱ.猜单词拼写

1．migratev．迁徙；移居；迁移→__________n．迁移；迁徙；移居

(参考：create→creation)

2．murdervt.谋杀；凶杀；毁坏n.谋杀；凶杀→_________n．谋杀犯；杀人凶手

(参考：teach→teacher)

【答案】1.migration2.murderer;3．mercyn．仁慈；宽恕；恩惠→____________adj.宽大的；仁慈的→____________adj.无情的；残忍的

4．possessv．有；拥有→____________n．个人财产；拥有；控制

(参考：impress→impression)

【答案】3．merciful;merciless4.possession;Ⅲ.预备写作素材

1．Recentlyourclass______________________(进行了一次关于海洋探索的讨论).

2．Opinions___________________(在这个话题上有分歧).

3．However，everycoin____________________(有两面性).

【答案】1．hadadiscussionaboutseaexploration

2．weredividedonthetopic3．hastwosides;4．Somestudentssupporttheopinion.Otherstudents_______(反对这个观点).

5．73%ofthestudents_________________(支持这一观点).

6．However，_____________(27%的学生)wereagainsttheidea.

【答案】4.opposetheopinion5．supportedtheview

6．27%ofthestudents;7．Ithinkthesecondviewis______________(完全错误的).

8．AsfarasI’mconcerned/Personally，I’m______________

(赞成第二种观点).

【答案】7.completelywrong

8．infavourofthesecondview;课文语篇研读;Ⅰ.阅读课文，选择正确选项

()1.TheauthorofText1believesthatseaexplorationresultsin________．

A．variousproblemstotheearth

B．people’sbetterunderstandingofthesea

C．morenaturalenergyforhumans

D．goodlivingconditionsforhumans

【答案】A;()2.WhatcanweinferfromParagraph3ofText1?

A．Theearthisgettingmuchhotterthanbefore.

B．Whatwedidhasdamagedwildlifeinthesea.

C．GlobalwarminghascausedbadeffectstotheArctic.

D???Humanshavekilledtoomuchwildlife.

【答案】C;()3.Whatistheauthor’sattitudetowardsse