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Dolphins(海豚)are small whales and they live in the sea. T hey may look like fish, but they are not fish. They are mammals(哺乳动物)like us. An adult dolphin is usually about 3 to 4.2 metres long and weighs(称重)upto 450 kg. Dolphins are good swimmers. T heycan swim at 50 ...
根据“Most whales and dolphins must come up for air after several minutes.”及首字母提示可知,此处指的是 breathe“呼吸”,是动词,情态动词 can 后接动词原形,故填 (b)reathe。3.句意:鲸目动物主要有两种——有牙齿的和没有牙齿的。根据“those with teeth”以及 and 并列可知,此 处应用 with 的反义词...
(二)Dolphins are small whales and they live in the sea. They may look like fish, but they are notfish. Theyare mammals(哺乳动物) like us. An adult dolphin is usually about 3 to 4 years old,2 metres long and weighs about 150 to 200 kg. Some can weigh up 450 kg. Dolphins are sup...
All the traffic rules are the same.)5. In England, cars, buses, bikes mustkeep to the left. 相关知识点: 试题来源: 解析 ADolphins are smal whales and they live inthe sea. They may look like fish, but they arenot fish. They are mammals (哺乳动物) like us.An adult dolphin is ...
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...
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...
Dolphins Dolphins are small whales and they live in the sea. They may look like fish, but they're not. They are mammals, like us. A dolphin is usually about 3 to 4.2 metres long and weighs about150-200 kg. Some can weigh up to 450 kg. Dolphins are super swimmers. They can swim ...
Dolphins are small whales and they live in the sea. They may look like fish, but they're not. They are mammals like us. An adult dolphin is usually about 3 to 4.2 metres long and weighs about 150 to 200 kilograms. Some can weigh up to 450 kilograms. Dolphins are super swimmers. The...
Whales and Dolphins Are So Intelligent They Deserve Same Rights as Humans, Say Experts