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1、 WHAT ARE THEY?mantisdragon-flygrasshoppercockroachscorpionspiderWhat are they?An insectantennawebsilkUSE ADJECTIVES TO DESCRIBE SPIDERSMy view on spiders is that they are _.SKIMMING1. What is the Friend or Enemy mentioned in the title?2. Whose friend is it?3. And whose enemy?A spiderIts a friend of

2、 humans.Its an enemy of insects.MATCH THE MAIN IDEAS WITH THE RELEVANT PARAGRAPHS P1-5 uses of spider silk P6-10 uses of spiders on pest control P11-14 uses of spider poison P15-17 introduction of the topiccone-shaped straw tentshelterssurvivePEST CONTROLseasonsspidersfarmersautumn /Build_ for spide

3、rs, which look like_-shaped tents.Made of_winter_ the winter /springEmerge_ and _while insects are ready to attack farmers_.Fill their empty_.Their fields are_. Farmers are_.The expenditure on _is nil. sheltersconestrawsurvivehealthyhungrycropsstomachsprotectedhappyinsecticideinsectsfarmersspiderscr

4、ops-expenditure-insecticideattack-eaten bysurvive-shelters-emerge- fillTHE 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 disordersSUMMARY Spiders are not_.

5、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.insectssurvivesheltersinsectscropss

6、ilkstronglightelasticspacecraftbraindisordersenemiesfriendsWe should try to understand things in nature and not destroy them.A CONVERSATION BETWEEN A SPIDER AND YOU Spiders are (adj.) build shelters-survive- emerge- fill protect-expenditure- insecticide uses of spider silk/ poisonDont kill me! .HOMEWORK1. Find more uses of spiders2. Writing: My View on Spiders