句式偏短,建议加强复杂句的使用;请注意词汇量的增加,文章中拼写错误较多;语言不流畅。
recently,the haze weather has happened to many cities in the north of china.this caused many difficulties for us. we should save this situation. for this .i have some advice.first we can save the water poulation and air poulation.we shoud go out by bike instend of driving the car. this can devop the environment.