[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"pubgrp:rd-dolphin:en:ja":3},{"type":4,"slug":5,"title":6,"level":7,"goal":8,"image_path":8,"is_locked":9,"is_daily_free":9,"passage":10,"questions":36,"vocab":79},"reading","rd-dolphin","イルカ","intermediate",null,false,[11,15,18,22,25,29,33],{"en":12,"ko":13,"ko_audio":8,"audio":14},"Dolphins are among the most intelligent animals on Earth.","Dolphins are one of the most intelligent animals on Earth.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F150db767-857c-4ba5-836e-fda6ca7b5138.mp3",{"en":16,"ko":16,"ko_audio":8,"audio":17},"They have large brains and can solve complex problems.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F964c6bd0-4fc7-4c1f-859c-d1f654a9e284.mp3",{"en":19,"ko":20,"ko_audio":8,"audio":21},"Dolphins communicate with each other using clicks and whistles.","Dolphins use clicks and whistling sounds to communicate with each other.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F4355385d-326b-43df-b4cf-c781ac496fc3.mp3",{"en":23,"ko":23,"ko_audio":8,"audio":24},"Scientists believe that dolphins use a special language to share information.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F1016a21c-730b-4b40-bed7-1cf51a76dea5.mp3",{"en":26,"ko":27,"ko_audio":8,"audio":28},"These animals can recognize themselves in mirrors, showing self-awareness.","These animals can recognize themselves in mirrors, which shows self-awareness.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002Fa21bad7b-b9d1-4e54-882e-2763933b9a2d.mp3",{"en":30,"ko":31,"ko_audio":8,"audio":32},"Dolphins also teach their young ones how to hunt and survive.","Dolphins also teach their young how to hunt and survive.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F86222354-0bd1-4339-949a-878db7e563c7.mp3",{"en":34,"ko":34,"ko_audio":8,"audio":35},"Their intelligence and playful nature make them fascinating creatures.","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fblock_audio\u002F5a94cee7-8937-4a85-8767-bb73630bc34e.mp3",[37,44,51,58,65,72],{"q":38,"options":39,"answer":40},"What is mentioned as a sign of dolphins' intelligence?",[40,41,42,43],"They can recognize themselves in mirrors","They can swim faster than other animals","They live in groups with many members","They eat different types of fish",{"q":45,"options":46,"answer":48},"How do dolphins communicate with each other?",[47,48,49,50],"Using body movements only","Using clicks and whistles","Using written symbols","Using color changes",{"q":52,"options":53,"answer":56},"What do dolphins teach their young ones?",[54,55,56,57],"How to build shelters","How to make tools","How to hunt and survive","How to avoid humans",{"q":59,"options":60,"answer":62},"According to the passage, what characteristic makes dolphins special?",[61,62,63,64],"Their ability to fly","Their intelligence and playful nature","Their colorful appearance","Their ability to climb trees",{"q":66,"options":67,"answer":70},"What does the passage suggest about dolphin language?",[68,69,70,71],"It is the same as human language","It does not exist","Scientists believe they use a special language to share information","It is too complex for scientists to understand",{"q":73,"options":74,"answer":76},"What does the passage say about dolphins' brains?",[75,76,77,78],"They are smaller than human brains","They are large","They are not important for intelligence","They are similar to bird brains",[80,85,90,95,100],{"en":81,"ko":82,"ko_audio":83,"audio":84},"intelligent","知能が高い","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fe9ca6027-3870-4e1a-a24b-6f9029989962.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F8e1b2434-d42c-485a-ae5a-7d464cbdd968.mp3",{"en":86,"ko":87,"ko_audio":88,"audio":89},"complex","複雑な","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fbff727ee-8fff-4ed5-bd40-bd2d39efa26a.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F0a546b96-c178-4c27-9919-633ddc3032ca.mp3",{"en":91,"ko":92,"ko_audio":93,"audio":94},"communicate","伝達する・連絡する","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F4e7bc57e-8492-4bde-aa49-96708e45a6bd.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Ffd78da15-bae1-4fdd-997e-d4af17371621.mp3",{"en":96,"ko":97,"ko_audio":98,"audio":99},"self-awareness","自己認識","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002F8e45c176-c9b3-46d8-bbcb-13fe1d903925.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002Fc32e7323-185e-492b-9d65-b29719e51ac9.mp3",{"en":101,"ko":102,"ko_audio":103,"audio":104},"fascinating","魅力的な","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Ftrans_audio\u002Fd27ae095-bb53-4940-9de4-4347f49f0797.mp3","https:\u002F\u002Fpub-96bedcbbfd0f4e5d82c4505745cced9c.r2.dev\u002Fword_audio\u002F4745cbeb-d0b6-4adb-aa10-235029f6b839.mp3"]