题目

病句改正1. What this is?_________________________2. Red juice is this ._________________________3. This is me dog.__________________________4. This is we classroom.__________________________5. This is a orange dog.__________________________6. This are my red cat.__________________________ 答案：【答案】1. What is this? 2. This juice is red. 3. This is my dog? 4. This is our classroom? 5. This is an orange dog. 6. This is my red cat. 【解析】略 已知奇函数f(x)在上有意义，且在(0，＋∞)上是减函数，f(1)＝0又有函数，若集合M＝{m|g(θ)＜0}，集合N＝{m|f[g(θ)]＞0}． (Ⅰ)求f(x)＞0的解集； (Ⅱ)求．