Dolphin meat is high in mercury, and may pose a health danger to humans when consumed. Ringed seals were once the main food staple for the Inuit. Is a shark a fish or a mammal? Sharks are fish. They live in water, and use their gills to filter oxygen from the water. Sharks are a...
【题目】A dolphin is a mammal(哺乳动物),not a fish. It must come to the surface of water tobreathe. So how does it manage its breathingand sleeping?Greg Early, a specialist on marine(海洋的mammals, said, "When scientists first tried to anesthetize(麻醉)dolphins, they found that the ...
百度试题 结果1 题目A dolphin is a kind of ___. A. mammal B. reptile C. amphibian D. insect 相关知识点: 试题来源: 解析 A。“dolphin”海豚是哺乳动物。反馈 收藏
A. Shark B. Dolphin C. Crocodile D. Seahorse 相关知识点: 试题来源: 解析 B。解析:海豚(Dolphin)是哺乳动物(mammal),虽然生活在水中,但它是胎生的,并且用乳汁哺育幼崽。鲨鱼(Shark)是鱼类,它通过鳃呼吸,用鳍游泳。鳄鱼(Crocodile)是爬行动物(reptile),它有坚硬的外皮,在陆地上和水中都能生存。海马(...
百度试题 结果1 题目A dolphin is a kind of ___. Mammal Bird Reptile Amphibian相关知识点: 试题来源: 解析 答案:Mammal。海豚是一种哺乳动物。dolphin(海豚)和 panda 一样具有哺乳动物的特征,胎生、哺乳。反馈 收藏
Before we can dive into the nitty-gritty of why sharks are not mammals, we first need to understand what makes a mammal a mammal, and a fish a fish. It’s a bit like baking a cake. You can’t just throw in any ingredients you fancy and call it a cake. There are specific ingredi...
百度试题 结果1 题目Which animal is a mammal? A. Shark B. Squid C. Dolphin D. Jellyfish 相关知识点: 试题来源: 解析 C。海豚是哺乳动物。鲨鱼是鱼类。鱿鱼是软体动物。水母是腔肠动物。反馈 收藏
百度试题 结果1 题目Dolphin is a kind of ___. A. mammal B. bird C. reptile 相关知识点: 试题来源: 解析 A。海豚是一种哺乳动物。哺乳动物的特点是身体有毛发,用肺呼吸,用乳汁哺育幼崽。海豚符合这些特征。反馈 收藏
The dolphin is a mammal. It breathes through ___. A. gills B. lungs C. skin D. mouth 相关知识点: 试题来源: 解析 B。本题考查动物的呼吸方式。海豚是哺乳动物,用肺呼吸。A 选项 gills 是鳃,是鱼类的呼吸器官;C 选项 skin 皮肤不是海豚的主要呼吸器官;D 选项 mouth 嘴也不是海豚的主要呼吸器...
解析 【答案】B【核心词汇】mammal:哺乳动物。【翻译】你想要告诉我们哺乳动物是什么?你将会说哺乳动物孕育它们的宝宝。【解析】根据句意,解释哺乳动物,那么回答应该是解释哺乳动物是什么。A:海豚下蛋。B:哺乳动物孕育它们的宝宝。C:螃蟹是哺乳动物。故答案选B。