题目

下列解方程中正确的有 ① x+4=﹣3，解得x=﹣ ②3x﹣5=7x，解得x= ③﹣（x﹣1）=﹣ （x+1），解得x=3④ ﹣ = ，解得x=﹣8． 答案：【1】③书面表达。     假如你是市长，你将为大家做些什么？请你以If I were the mayor of our city，I would…为开头，写一篇短文。大约80词左右。      If I were the mayor of our city, I would _______________________________________________________________________________________________________________________________________________________________________________________________________________