初一英语阅读Therearealmost400differentkindsofsharks,andtheycanbefoundinallfouroceansoftheworld.Eachkindofsharkslooksdifferent.Somearelongerthanaschoolbus,whileothersaresosmallthattheycanliveinfishbowels.S

　　初一英语阅读

　　Therearealmost400differentkindsofsharks,andtheycanbefoundinallfouroceansoftheworld.

　　Eachkindofsharkslooksdifferent.Somearelongerthanaschoolbus,whileothersaresosmallthattheycanliveinfishbowels.Sharkscomeinallkindsofcolors.Mostofthetime,theircolorshelpthemfitinwiththeirsurroundings.

　　Sharkshavemanyrowsofteeth,ratherthanjustonerowlikeman.Theteethfromtheoustsiderowgraduallyfallout,andtheteethfromthenextrowtaketheirplace.Somesharkswilllose30,000teethinalifetime!Differenttypesofsharkshavedifferentkindsofteeth.Thisisbecausedifferentsharkseatdifferrentkindsoffood.Somesharkseatfoodassmallasplanktonwhileothersharkseatanimalsasbigasseaturtles.Mostsharksdonoteatveryoften.Somesharkswillgoweeksvetweenmeals.Sharksareatthetopoftheoceanfoodchain.Thatistosaynoanimalscanhuntthemforfood.

　　Oneofthemostspecialthingsaboutsharksisthattheyhavebeenaroundforalongtime.Sharkshavelivdintheseaforabout64millionyears!Andscientistsbelievetheyhavenotchangedmuchsincethen.Howamazingitis!

　　Sharksareverydifferentanimals,andtherearestillmanythingspeoplecanlearnaboutthem.

　　1.Doallkindsofsharkslookthesame?

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　　2.Whatcancolorsofsharkshelpthemdo?

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　　3.Whydodifferentsharkshavedifferentkindsofteeth?

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　　4.Howlonghavesharkslivedinthesea?

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　　5.Whatplaceoftheoceanfoodchainaresharksat?

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　　6.Whatdoesthewritertellusaboutsharks?(至少三点）

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