根据常识及首字母提示可知,鲸鱼和海豚并不属于鱼,fish“鱼”,单复同形,故填 (f)ish。2.句意:哺乳动物不能像鱼那样在水下呼吸。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)rea...
Some mammals have two arms and two legs. Marine mammals(海洋哺乳动物) that live in water, like whales or dolphins, have fins and a tail.Mammals all feed their babies milk. Other types of animals, like fish or reptiles(爬行动物) can't make milk. Mammals are warm-blooded, just like ...
Whales and dolphins breathe through “blowholes”, which have a kind of stopper that acts like a valve(阀)to keep water out. These blowholes, or nostrils, are ___ the tops of their heads. The mammals of the sea have also developed the ability to take in large amounts of air before m...
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 ...
Dolphins(海豚)are small whales and they live in the sea. They may look like fish, but they are not. 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)up to 450 kg. Dolphins are good swimmers. They can swim at 50 kilometres ...
Whales and dolphins breathe through "blowholes", which have a kind of stopper that actslike a valve(阀)to keep water out. T hese blowholes, or nostrils, arethe tops of their heads.T he mammals of the sea have also developed the ability to take in large amounts of airbefore making a ...
Dolphins usually live near land. 答案 (二)1.T 2.T 3.F 4.F 5.F 6.T 结果五 题目 二、阅读短文,判断正(T)误(F)。ADolphins(海豚) are small whales and they live in the sea. They may look like fish, buttheyare not fish. They are mammals(哺乳动物) like us. An adult dolphin is ...
Dolphins are small 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 usually about 3 to 4 yearsold, 2 metres long and weighs about 150kg to200kg. Some can weigh up 450kg. Dolphins aresuper swimmer...
They don't eat sharks or dolphins.Instead, they eat small fish. There are not many blue whales now, so people take action(采取行动) to protect them. We want to see more and more blue whales in the wild in the future.ii.阅读短文内容,判断句子正误,正确的写“ A ”,错误的写“ B ”...
Whales and Dolphins Are So Intelligent They Deserve Same Rights as Humans, Say Experts