初中九年级英语课件Lesson5LetsDoanExperiment!市赛一等奖

Lesson25Let’sDoanExperiment!Lesson25

Let’sDoanExperimentLet’sdoanexperiment1.Fillthejarwithwater.2.Putapieceofcardboardoverthejar.3.

Turnthejarupsidedown.4.Takeyourhandoffthecardboard.IfIholdajarthatisfilledwithwaterupsidedown,whatwillhappen?THINKABOUTIT●Thewaterwillpourout.●

Thewaterwillstayinthejar.1.做实验2.我用水把瓶子装满。3.我把广口瓶倒过来。4.丹尼，你认为水会洒出来。5.我如此确信我的理论。6.压力大到足以托住水。KeyPointsKeyPhrases1.做实验2.我用水把瓶子装满。.同义句：carryout/makeanexperiment同义句：befilledwith.../befullof...(主语是物)Eg:房间里挤满了人：

doanexperimentIfillajarwith

water.

fill…with…用……装满……(主语是人)Theroomisfilledwith/fullofpeople.3.我把广口瓶倒过来。turn…upsidedown把……翻转、倒过来eg:你能把这个玻璃杯倒过来吗？Canyouturntheglassupsidedown?

反义短语：turn…rightsideup把……正面朝上Iturnthejarupsidedown.4.丹尼，你认为水会洒出来。

pour在本句中的意思是“涌流”。它还有“倒;下倾盆大雨；倾诉”的意思。⑴Shepouredthericecarefullyintothepot.

她小心翼翼地把大米倒入罐中。⑵Therainhasbeenpouringallday.

倾盆大雨下了一整天了。⑶Youcanpouryourtroublestoaclosefriend.

你可以向亲密朋友倾诉烦心事。Youthinkthewaterwillpourout,Danny.

5.我如此确信我的理论。besureof…确信……我确信他所说的。

Iamsureofwhathesaid.

6.压力大到足以托住水。

句中的enoughtodo…意为“足以……做某事”，这里的enough是副词作用，用在形容词或副词后作状语。eg:艾伦到上班年龄了。

Allanisoldenoughtogotowork.

Iamsosureofmytheory.Itisstrongenoughtoholdthewater.

besurethat…确信……他确信能成功。

Heissurethathecansucceed.Let’sdoanexperiment1.Fillthejarwithwater.2.Putapieceofcardboardoverthejar.3.

Turnthejarupsidedown.4.Takeyourhandoffthecardboard.IfIholdajarthatisfilledwithwaterupsidedown,whatwillhappen?THINKABOUTIT●Thewaterwillpourout.●

Thewaterwillstayinthejar.√WHY???

Theairpressurehelpsthecardboardholdthewaterinthejar.

Summary1.做实验：doanexperiment2.用……装满……：fill…with…3.把……翻转,倒过来:turn…upsidedown

4.倒出：pourout5.确信……：besureof…

6.足以……做某事：…enoughto

do…