根据题意得：x+5≠0，
解得：x≠-5．
故答案为：x≠-5．
下列哪项是解决城市交通空间不均衡的措施（）
A.提高大城市中心区停车费
B.提高地铁高峰时段票价
C.提高汽油价
D.实行公交优先
After you see the pictures, you will realize ______ danger the wildlife faces.
A．how many
B．how often
C．how much
D．how long
