All natural numbers divisible by $3$ in the range of $1-75$ are：$75\div3=25$．  All natural numbers divisible by $5$ in the range of $1-75$ are：$75\div5=15$．  The natural numbers divisible by 3 and 5 that are divisible by $15$：$75\div15=5$．  The natural numbers divisible by $3$ or $5$ are：$25+15-5=35$． 
Among the natural numbers $1-75$: How many are divisible by $3$ or $5$? 

  * $$30$$ 
  * $$35$$ 
  * $$40$$ 
  * $$45$$ 