Life today is much{#blank#}1{#/blank#} . However, there are new problems. One of the biggest ones is pollution. Water {#blank#}2{#/blank#} has made rivers dirty. It kills fish and {#blank#}3{#/blank#}  our drinking water. Noise pollution makes us speak {#blank#}4{#/blank#}  and become angry more {#blank#}5{#/blank#} . Air pollution is the {#blank#}6{#/blank#} serious kind of pollution. It's bad for all {#blank#}7{#/blank#}  things in the world.