海豚的大脑比人类的还大！海豚的大脑比人类的还大！Dolphins have the biggest brains in the animal world. Bottlenose dolphins... words. One dolphin in the US can even find underwater mines (水雷).Dolphins have the biggest brains ……

DOLPHINS have evolved surprisingly big brains over the last 47 million years, according... to see how dolphins evolved their big brains. After four years of examining museum collections, the team ……

cetaceans also have the largest brains, they argue that cetacean intelligence developed to meet....“It is interesting to think that whale and human brains are different in their structure but have brought us ……

have the biggest brains in the animal world. Bottlenose dolphins (宽吻海豚) have larger brains than humans!Dolphins have the biggest brains in the animal world. Bottlenose dolphins (宽吻海豚) have larger ……

Starfish have no brains. ……

Starfish don’t have brains or bones. ……

at this one. It can open a jar1 with its legs.Octopuses have big brains. They are smart. They have eight...瞧，这些动物真聪明！Which animal is the cleverest? You may think: dolphins, apes or dogs. Well, scientists ……

likely to catch fish by working with dolphins. At the same time, cooperative dolphins have 13 percent... likely to catch fish by working with dolphins. At the same time, cooperative dolphins have 13 percent ……

more likely to catch fish by working with dolphins. At the same time, cooperative dolphins have 13... more likely to catch fish by working with dolphins. At the same time, cooperative dolphins have 13 ……

Starfish (海星) don’t have brains (脑). ……

have big brains, about 40 percent (百分之……) bigger than humans’. We always do different games to kill... to beat enemies.C.Dolphins’ brains are about 20 percent bigger than humans’.答案见4版 ……

are.4. What does the article mainly talk about?A. What habits dolphins have.B. What spinner dolphins...Choose the answer: 1. Which of the following about dolphins is NOT true?A. They spend most ……

’t think that dinosaurs were smarter than dolphins. Some of them had large brains. But those brains... weather conditions such as big fires, storms, earthquakes and volcano eruptions (火山爆发). This cut ……

你知道海豚有多聪明吗？DOLPHINS are some of the smartest animals on Earth. They can communicate with each other and even understand sign language. Now scientists have found that dolphins can even use tools ……

Dolphins sleep with one eye open! ……