高中英语M7 U3 warming up, pre-reading reading课件人教版选修七.ppt

Group work: what are they? a large reptile(爬行动物) which has a thick shell covering its body. a hard substance formed from the skeletons(骨骼，骨干) of very small sea animals. It is often used to make jewelry. a sea creature with a clear soft body and tentacles(触须，触角) that can sting you. a large animal with flippers (鳍状肢), which eats fish and lives partly on land and partly in the sea, usually in cold parts of the world. Group work: what are they? E. a sea plant like a garden plant with red, purple, or white flowers. F. a very large mammal with the general shape of a fish and one or two blowholes for breathing. G. a mammal which lives in the sea and looks like a large fish with a pointed mouth, related to the whales but generally smaller. H. A type of small fish which appears to swim in an upright position and whose head looks a little like the head of horse. B：a hard substance formed from the skeletons(骨骼) of very small sea animals. It is often used to make jewelry. D：a large animal with flippers (鳍状肢), which eats fish and lives partly on land and partly in the sea, usually in cold parts of the world. Share what else you know about these animals and plants Turtle: a large reptile(爬行动物) which has a thick shell covering its body. Coral: a hard substance formed from the skeletons(骨骼，骨干) of very small sea animals. It is often used to make jewelry. Jellyfish: a sea creature with a clear soft body and tentacles(触须，触角) that can sting you. Seal: a large animal with flippers (鳍状肢), which eats fish and lives partly on land and partly in the sea, usually in cold parts of the world. Anemone: a sea plant like a garden plant with red, purple, or white flowers. Whale: a very large mammal with the general shape of a fish and one or two blowholes for breathing. It is often mistaken as a fish. Dolphin: a mammal which lives in the sea and looks like a large fish with a pointed mouth, related to the whales but generally smaller. Sea horse: A type of small fish which appears to swim in an u