Whales, dolphins, and porpoises face several threats today, including pollution, overfishing, climate change, habitat destruction, and diseases. 鲸鱼、海豚和鼠海豚面临着多种威胁,包括: * 污染: 海洋污染,如塑料、化学物质和噪音,会损害它们的健康,甚至导致死亡。 * 过度捕捞: 误捕和食物来源减少对它们构成...
A.Whales.B.Tuna.C.Sailors.D.Fishermen. 相关知识点: 试题来源: 解析 D 正确答案:D解析:问题是“根据文章,什么对海豚造成了威胁”。选项A意为“鲸鱼”;选项B意为“金枪鱼”;选项C意为“水手”;选项D意为“渔夫”。原文最后一段提到“Unfortunately, dolphins have faced increasing danger in recent years. ...
The dolphins are jumping out of the water. What are the whales doing? A. They are swim. B. They are swimming. C. They is swim. D. They is swimming. 相关知识点: 试题来源: 解析 B。whales 是复数,be 动词用 are,swim 变现在分词 swimming,选 B。
Dolphins breathe air when at the surface of the water, through a specially adapted nostril or blowhole, located on top of their heads. Why whales and dolphins don't suffer from the bends Why do whales explode? Sharks have a cartilaginous rather than a bony skeleton, which is made of a ...
Whales and dolphins: What they have in common. Post a Comment. CONTRIBUTORS: Author:Gowell, Elizabeth Tayntor. PUBLISHER: Franklin Watts (New York). SERIES TITLE: YEAR: 1999.PUB TYPE: Book (ISBN 0531203964 ). VOLUME/EDITION: PAGES (INTRO/BODY)Elizabeth Tayntor Gowell...
We are all familiar with dolphins,whales and sharks. We know whatthey look like, but what about someless familiar fish such as lizardfish,giant squid, or blind eels? There areso many less known animals in thedepths of the ocean that we hear littleor nothing about most times. It isintere...
Whales and dolphins have become very popular with the public for good reason. Whales for example are very interesting creatures, they combine fish external characteristics such as fins, round stream-lined form, and the smooth surface of the body, with the principles of the body internal organizati...
-- easy-to-understand text-- clearly labeled diagrams-- exciting, full-color photographsWhales are the only mammals that spend their entire life in the water. From playful dolphins to enormous blue whales, the behavior, habitats, and physiology of these amazing marine mammals are explored in Wh...
1) What are the whales doing?鲸鱼在干什么?2) What are the sharks doing? 鲨鱼在干什么?3) Brian: What are you doing? 你在干什么? 例句>> 4) What are the dolphins doing? 海豚在干什么?5) What are the penguins doing? 企鹅在干什么?
What Is a Whale?Minke Whale Whales, dolphins and porpoises all belong to the scientific order Cetacea. The word “cetacean” originates from the Greek word “ketos,” which means “sea monster.” The term “whale” is often used to describe all cetaceans.Cetaceans are found in all of the ...