Noise pollution can make people {#blank#}1{#/blank#}  . For example, people may lose their hearing if they work in a {#blank#}2{#/blank#}  place for a long time.Too much noise can cause high blood pressure,{#blank#}3{#/blank#} .    
    Walking for a long time in a strong ,changeable light may cause some kinds of diseases. It {#blank#}4{#/blank#}  people feel terrible and is especially bad for the eyes. With less pollution, our planet will become {#blank#}5{#/blank#} and our health will be better.
Let's be greener people.

    I work in a cleaning company. Usually people call us, and we {#blank#}1{#/blank#} house cleaning service.

    One day, I got a call from a man named David." I want to help an old man. He just had surgery (手术) and is still {#blank#}2{#/blank#}.Can I pay for it without letting him know?" he asked. David was a very kind man. He called us because he was worried about his {#blank#}3{#/blank#}, Mr. Smith. Mr. Smith just came back from the hospital. His house was in a {#blank#}4{#/blank#}, but he couldn't do any housework. Even {#blank#}5{#/blank#} the floor was difficult for him. He didn't tell his children because he didn't want them to {#blank#}6{#/blank#} their time taking care of him. David wanted to help Mr. Smith without bringing him any {#blank#}7{#/blank#}.And then we asked David what would happen if Mr. Smith would refuse to let us come into his house." I have to at least try, and {#blank#}8{#/blank#}，I really want to help him，" he said.

    Luckily, Mr. Smith let us in and our workers did a good job.{#blank#}9{#/blank#} we promised David not to tell his name, we didn't tell too much to Mr. Smith. Mr. Smith was touched by the gift from someone he didn't know. Sometimes we don't expect{#blank#}10{#/blank#}on others, because we are afraid of letting them get into trouble. However, there is always someone who cares for you and tries his best to help you.