英語八年級下冀教版Unit4Lesson27課件

1、Lesson27 Danny the “Dry-o-saur” ! 河北 王付菊Words and expressions surprised adj. 感到驚訝的examine v. 檢查discover v. 發(fā)現(xiàn);發(fā)覺conclusion n. 結(jié)論explain v. 解釋enough adj. 足夠的;充分的weird adj. 奇異的mud n. 泥l(xiāng)iquid n. 液體solid n. 固體spoon n. 匙cornstarch n. 玉米淀粉spoonful n. 一匙的量add v. 加mix v. 混合; 調(diào)配pour v. 倒; 灌; 流出dissolve v. 溶解

2、; 溶化press v. 壓; 擠Read the text and find out these sentences true or false.1、Jenny is explaining the experiment. （ ）2、Dannys theory is that hes going to wet. （ ）3、Brian is wrong at last. （ ）4、Brian used glue. （ ）TTFF5、The force of the air is strong enough to hold the water . （ ）6、Sugar and salt disso

3、lve in water and cornstarch dissolves in water， too. （ ）7、When you hit mud in a bowl or water ，they are the same. （ ） TFFLanguage Notes 1. Danny the “Dry-O-Saur”! 意思是“Danny the dry dinosaur”.2、We are going to show you an interesting experiment 句意為“我們將給你們演示一個有趣的實驗?！逼渲衧how vt.出示，給看； 常見用法（a）、show sb. S

4、th. （b）、show sth. to sb.均為 ”出示某物給某人看“ Can you show me your photographs? Can you show your photographs to me？ 把你的照片給我看看好嗎?n 但當sth. 為代詞時，應該用（b）、句式 Please show it to me.請給我看看它。3. Brian will take his hand off the cardboard. Brian要把手拿開。 take sth. off sth. “使某物離開或脫離” take off “還表示（飛機）起飛，匆忙離開The plane will

5、 taking off in five minutes.飛機五分鐘后起飛。 take sth off. / take off sth. 還有“脫掉”的含義Please take off your coat, Its hot here.請把你的外套脫掉，這很熱。 4. The force is strong enough to hold the water. 氣壓能把瓶子里的水托住。 enough to do sth. “足夠做某事” The boy is strong enough to carry the box. 這個男孩很壯實 可以搬動這個箱子。 enough adj.足夠的，充分的 T

6、here is enough food for you. 每人都能得到足夠的食品。點撥enough 用作adj.時,放在被修飾詞之前或之后均可,但用作adv.時,應放在被修飾的形容詞或副詞之后。 The ice is hard enough to skate on. 冰層足夠厚，可以滑冰。 5. Put eight spoonfuls of cornstarch into the bowl. 把八勺玉米淀粉放到碗里。 spoonful 可數(shù)名詞，表示 “一勺的量”。眾里挑一選擇最佳答案。1.It looks like my pen, please show it _ me. A. to B. at C. / D. with 2.When you can ride the bike by yourself, I will take my hand _