Ⅰ.重点单词 1．____________　make (air，water，soil，etc.) dangerously impure or unfit for use 2．____________ forbid sth.officially，especially by law 3．____________ deal with；treat，behave towards 4．____________ action or way of finding an answer to a problem，difficulty，etc. 5．____________ mental ability；power of learning，understanding and reasoning

pollute

ban　

handle　

solution　

intelligence