;Reading;;希腊

做皇冠的人

对某事满意

怀疑

找出真相

用。。。装满。。。

溢出

代替，排水

称重

把某人投入监狱;;;AncientGreek

Mathematician,physicist,engineer,inventorandastronomer

Anexplanationoftheprincipleofthelever(杠杆原理);;;Lookatthepicturesandthetitleofthestoryandanswerthefollowingquestions.;;Archimedesandthegoldencrown;1.Whowasthecrownprobablymadefor?

2.WhatisArchimedesdoinginthefirstpicture?

3.WhyisArchimedessoexcited?

4.Whatisintherightpotinthesecondpicture?;carefulreading;Readagainandanswer:;;;HowdidArchimedesfindoutthetruth?;;;When?;Later,however,hebegantodoubtthat...

a.feelsureb.notfeelsure

2.Thisproblemseemsdifficulttosolve.

a.writedown

b.findthecorrectanswer

3.…ashefilledhisbathwithwater.

a.made…fullb.emptied

4.next,heputtwopotsintotwobigbowls…

a.deeprounddishesb.flatdishes

5.Acrownmadecompletelyofgolddisplaces

lesswater.

a.alittleb.asmalleramountof

;truth;Ⅱ.课文填空;Retellthestory;同学们，谢谢聆听！