牛津英语高一第二学期.pptx

What are they?mantisdragon-flygrasshoppercockroachscorpionspiderWhat are they?List some endangered creatures.l1.Giantpandal2.Asianelephantsl3.Seals海豹l4.Macaw金刚鹦鹉l5.Rattlesnake响尾蛇l6.Dolphins（有灭绝危险的（有灭绝危险的,将要绝种的）将要绝种的）Do you have the experience of raising animals?If have,share with us!A spiderAn insectantennawebsilkUse adjectives to describe spiderslMy view on spiders is that they are _.Skimming1.WhatistheFriend or Enemymentionedinthetitle?2.Whosefriendisit?3.Andwhoseenemy?A spiderIts a friend of humans.Its an enemy of insects.cone-shaped straw tentshelterssurviveThe properties of spider silk stronger than steellighter than a featheras elastic as a rubber bandUses of spider silkspacecraftartificial organsbullet-proof vestUses of spider poisontreat brain disordersSummarySpiders are not_.They_ winter by living in _built by farmers.In spring,they eat _that attack farmers _.They make webs with_,which is _,_ and_.Scientists plan to use spider silk in_,etc.Their poison can be used to treat_ _.Therefore,spiders are_ of insects and _ of humans.insectssurvivesheltersinsectscropssilkstronglightelasticspacecraftbraindisordersenemiesfriendsWe should try to understand things in nature and not destroy them.A conversation between a spider and youl Spiders are(adj.)l build shelters-survive-emerge-filll uses of spider silk/poisonDont kill me!.Homework1.Find more uses of spiders2.Writing:My View on Spiders