what is a sharkplease answer in english.thanku 相关知识点: 试题来源: 解析 简单点的:Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins t
bull shark is the most frequent attacker of people as it swims in very shallow waters where people swim and is a very plentiful shark. Some of the other sharks that are known to have attacked people include the gray shark, blue shark, hammerhead shark, mako shark, nurse shark, lemon ...
What is a Shark? by Howard McCartby A shark is quite a creature. Its shape is long and lean. It swim in waters north and south And waters in between. A shark has skin that might look smooth But actually is rough. If you rub that scaly skin ...
Christoph P P.What is a shark doing in this pump?.World Pumps. 2001Christoph P Pauly.What is a shark doing in this pump.World Pumps.2001.15-16Christoph P Pauly. What is a shark doing in this pump [J]. World Pumps, 2001, 423:15 -16....
What is a shark's habitat? A Cartilaginous Fish: A shark is a type of fish that is cartilaginous, meaning that it has no true bones but only cartilage to support its structure. Sharks have several pairs of gill slits and many sharks have several rows of teeth. The largest shark in the...
1.【答案】B【解析】本题问的是“一条大白鲨是什么样的”。A选项意为“令人兴奋的”;B选项意为“令人害怕的”;C选项意为“令人惊讶的”;D选项意为“无聊的”。根据文章第一段第一句“When I was a child, I was really afraid of sharks(当我还是个孩子的时候,我真的很害怕鲨鱼)”可知,此处表示大...
A shark(鲨鱼)is a large and fierce(凶猛的) fish that eats other fish.What will you do if you meet a shark while you are swimming?Here are some tips to help you swim safely.Don’t swim in water where there are sharks.But if you do ,stay close to the shore(岸).Sharks in deep(...
The whale shark is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8
What is a whale shark?Marine Biology:Sharks are a type of fish that belong to the taxonomic infraclass Euselachii. They have existed in the Earth's oceans for at least 420 million years. There are about 440 known species of sharks that have been cataloged by scientists.Answer and ...
Is a shark a reptile? Is a shark a mammal, a reptile, or a fish? ... No, a shark is not a mammal like whales, nor is it a reptile like alligators. A shark is actually a fish! Is Penguin A amphibian? Penguins are neither mammals nor amphibians; they are birds. They hatch from...