Raw material is what we are badly in need of.It is raw material that we are badly in need of

两句意思一样,都表示对raw materials急需的意思.1句为表语从句,2句为标准的强调句,表达对,但有一个小错误,即,当使用强调句时,被强调的内容必须用the引导,故正确的表达应为：
It is the raw materials that we are badly in need of,或者更简单的方式是：It is the raw materials that we badly need.