题目

We all know what a brain is. A doctor will tell you that the brain is the organ of the body in the head. It controls our body’s functions, movements, emotions and thoughts. But a brain can mean so much more.A brain can also simply be a smart person. If a person is called brainy, he is smart and intelligent. If a family has many children but one of them is super smart, you could say, “He’s the brains in the family.” And if you are the brains behind something, you are responsible for developing or organizing something. For example, Bill Gates is the brains behind Microsoft.Brain trust is巴西气候     ①亚马孙平原：气候类型 ，气候特征 ，受气候影响，形成了世界上最大的 ，有 之称②巴西高原：气候类型 ，气候特征 ．