(1)Lili's wish is to become a doctor when she grows up. What is {#blank#}1{#/blank#} , Sam?

(2)Martin helped the little girl out of a car accident, but he was {#blank#}2{#/blank#}wounded instead.
(3) Nowadays blogs are much more helpful than {#blank#}3{#/blank#} diaries.
(4)It is a wise {#blank#}4{#/blank#}  for these patients to give up smoking.
(5)The actor who acted in the TV series last night became famous in his {#blank#}5{#/blank#} .

    Pollution is one important topic in China now. Many different kinds of pollution have increased while China is developing itself. Pollution is bad for animals and plants, and it even makes people's health{#blank#}1{#/blank#}. In our daily life, we can see different kinds of pollution in many places.

    Land pollution is{#blank#}2{#/blank#}by solid( 固体) waste, such as cans, bottles and some other things which aren't broken down{#blank#}3{#/blank#}. It makes the environment look very bad.

    However, air pollution is more serious than land pollution. It is much worse in cities and towns because of the fumes(废气) from{#blank#}4{#/blank#}and people's activities. When people drive their cars, fumes, which are mostly made up of CO2, NO2 and SO2, are given off.