海豚中级
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海豚中级

Reading Passage Dolphins are some of the most intelligent animals living in our oceans today. These amazing creatures are not fish but mammals that breathe air just like humans do. There are over forty different species of dolphins found in oceans and rivers around the world. Dolphins have smooth, gray skin and a curved fin…

海豚小学
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海豚小学

Reading Passage Dolphins are some of the smartest animals in the ocean. They are not fish – they are mammals like us! Dolphins breathe air and must come up to the surface. Baby dolphins drink milk from their mothers. Dolphins live in groups called pods. A pod can have 10 to 30 dolphins. They work…

恐龙中级
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恐龙中级

Reading Passage Dinosaurs were amazing creatures that ruled the Earth for over one hundred sixty million years. These prehistoric animals first appeared about two hundred thirty million years ago during the Triassic period. The word dinosaur means terrible lizard in Greek, though many were not actually scary at all. Some dinosaurs were as small as…

恐龙小学
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恐龙小学

Reading Passage Dinosaurs lived on Earth millions of years ago. The word “dinosaur” means “terrible lizard.” Some dinosaurs were very big, and some were small. They lived for about 165 million years before they disappeared. There were many types of dinosaurs. The T-Rex was a scary meat-eater with big teeth. The Brachiosaurus was huge and…