![Letmetellyousomethingaboutsharks.Sharksareamongtheoldes...]( "Letmetellyousomethingaboutsharks.Sharksareamongtheoldes...")
- 问题详情：Letmetellyousomethingaboutsharks.Sharksareamongtheoldestanimalsintheworld.Thereareoverthreehundredfiftydifferentkindsofsharksintheworld.Mostsharksareabouttwometerslongandliveintheoceans.Asharkcansmellsomethinginthewater,forexample,thebloodofa...
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