①HFO的 电子式为____，则HFO的结构式为____（在HFO的结构式中标出各元素的化合价）．
②对比其它次卤酸可以看出，把HFO称着“次氟酸”其实不妥当的，理由是____．
③次氟酸能与水反应生成两种物质，其中有一种物质为HF（常用于雕刻玻璃），则次氟酸与水反应的化学方程式为____．
阅读短文，判断正误。
I'm Fangfang. I live in a village. It's small but beautiful. Look! That is my house. There are some trees near it. Behind the house there's a big river. You can see boats on the river. Many ducks are beside the boats. How lovely! Oh, many flowers are among (在……之中）the trees. Let's get some for our teachers.
①领导立法工作，严格规范环境保护的行政执法行为
②加强宏观调控，加快推进相关产业结构和布局调整
③坚持依法行政，发挥社会主义事业领导核心的作用
④推进生态文明建设，搞好节能减排和环境保护工作
