whales aremammals, not fish. There are only 83 species of cetaceans in the world organized into 14 families and two main subcategories: Toothed whales (Odontoceti, including killer whales, narwhals, dolphins, and porpoises) andbaleen whales(Mysticeti, humpback whales, and rorquals). Toothed ...
不对。改为：Are whales fish or mammals?鲸鱼是鱼还是哺乳动物？望采纳
Whales, and other, related aquatic mammals such as dolphins and porpoises, are descended from land mammals and possess all the characteristics necessary to identify them as being mammals rather than fish (or any other type of animal). Characteristics Of Mammals Whalesbreathe air and have lungs; ...
078WhalesWhales are mammals.They breathe air like us.They rise tothe surface of the water to breathe.They live in the oceans.Whales leap out of the water.They also dive and roll.Whalesdive to get food.There are many different kinds of whales.They are some of the largest animals.The ...
百度试题 结果1 题目Are whales fish ___ animals in the sea? A. and B. or C. if D. but 相关知识点: 试题来源: 解析 B 反馈 收藏
of…的。根据下文the mammals of the sea have developed the ability to hold their breath underwater for an amazingly long time.可知是很长一段时间以来,海洋哺乳动物已经发展出在水下长时间屏气的能力。for ages很长时间、很久,故答案选C。【小题4】句意:首先,在数百万年的时间里,他们中的许多都进化出...
Whales are not fish, but the largest mammals(哺乳动物) on the Earth. A whale has one large mouth, two eyes, one or two blow holes on its back fin, two flippers and one tail. whales live in the ocean. There are different kinds of whales. Here are some of them. Sperm WhaleKiller ...
They are not fish. They're mammals (哺乳动物). They are large animals. There are many kinds of whales, such as killer whales(虎鲸) and blue whales.The killer whale is a kind of dangerous whale. Their bodies are black and white. They are around 5-9 metres. They eat fish, se a ...
1. 读书既要有“___,不耻下问”的真诚,又要有“___?为有源头活水来”的灵活拓之为,还要有“学如不及,___”的强烈进取心。2. 吾尝终日不食,___,以思,无益,___。3. 老师常用《观书有感》(其二)中“___,___”这两句诗,告诫我们要多收多积累,运用知识的时候就胸有成竹了。 (下转第7版...
根据第一段第一行Whales live in the ocean, but they are not fish. They are warm-blooded mammals and must have air to breathe.说明D的说法是错误的,是人们经常会误会的想法,故D符合题意。 【小题2】C 推理题。根据第一段2,3句They are warm-blooded mammals and must have air to breathe. The...