英语八年级下冀教版Unit4Lesson27课件.ppt

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1、Lesson27 Danny the“Dry-o-saur”!河北 王付菊Words and expressions surprised adj.感到惊讶的examine v.检查discover v.发现;发觉conclusion n.结论explain v.解释enough adj.足够的;充分的weird adj.奇异的mud n.泥liquid n.液体solid n.固体spoon n.匙cornstarch n.玉米淀粉spoonful n.一匙的量add v.加mix v.混合;调配pour v.倒;灌;流出dissolve v.溶解;溶化press v.压;挤Read the

2、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 dissolve in water and cornstarch dissolves

3、 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 句意为“我们将给你们演示一个有趣的实验。”其中show vt.出示，给看；常见用法（a）、show sb.Sth.（b）、show sth.to sb.均为”出示某物给某人看“Can you show me

4、 your photographs?Can you show your photographs to me？把你的照片给我看看好吗?n 但当sth.为代词时，应该用（b）、句式 Please show it to me.请给我看看它。3.Brian will take his hand off the cardboard.Brian要把手拿开。take sth.off sth.“使某物离开或脱离”take off“还表示（飞机）起飞，匆忙离开The plane will taking off in five minutes.飞机五分钟后起飞。take sth off./take off sth

5、.还有“脱掉”的含义Please take off your coat,Its hot here.请把你的外套脱掉，这很热。4.The force is strong enough to hold the water.气压能把瓶子里的水托住。enough to do sth.“足够做某事”The boy is strong enough to carry the box.这个男孩很壮实 可以搬动这个箱子。enough adj.足够的，充分的 There is enough food for you.每人都能得到足够的食品。点拨enough 用作adj.时,放在被修饰词之前或之后均可,但用作ad

6、v.时,应放在被修饰的形容词或副词之后。The ice is hard enough to skate on.冰层足够厚，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 可数名词，表示 “一勺的量”。众里挑一选择最佳答案。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 _ you.A.out B.down C.to D.off 3.He is not old _ to go to school.A.enough B.so C.full D.too