①塑料的；塑料{#blank#}1{#/blank#}  ②方法，措施{#blank#}2{#/blank#} ③残酷的；残忍的{#blank#}3{#/blank#} 

④有害的{#blank#}4{#/blank#}   ⑤工业；行业{#blank#}5{#/blank#}      ⑥法律；法规{#blank#}6{#/blank#}    

⑦承担得起；买得起{#blank#}7{#/blank#}   ⑧回收利用；再利用{#blank#}8{#/blank#} 

    Hello, everyone! Tomorrow we'll go for a trip in the mountains. Before we start, there are some {#blank#}1{#/blank#} and suggestions for you. First, everyone should {#blank#}2{#/blank#} sports shoes. Second, when you walk in the mountains, you mustn't walk too {#blank#}3{#/blank#} "to the edge of the path. Third, you must keep {#blank#}4{#/blank#} or you'll get lost. Fourth, bring some water with you, or you'll be {#blank#}5{#/blank#}.

    We need to put up a tent to stay at night in the mountains. Be careful of the {#blank#}6{#/blank#} when you are in the forest. Although some animals look {#blank#}7{#/blank#} they are really dangerous. If you meet animals, don't move suddenly. Just keep still until they {#blank#}8{#/blank#}. Remember to hang your food in the tree before you go to sleep Hope everyone can have a good trip.

— Oh, sorry. I won't do it again.