新鮮空氣的重要性英語四級作文
the importance of fresh air
no air means death. although we cant see it, there is air round us.so air is everywhere and it gives life to every living thing. without it we cant live. bad air makes people ill.we must have fresh air to keep ushealthy.
in the city there are a great many people and there are too many cars running on the roads. the gas which the cars spread out is full of poison. every day we breathe it in and out.
besides so many cars, there are many factories too.from the chimneys of these factories, we get the smoke usually in a black or grey color. this kind of smoke, when it mies with the air, is dangerous to our health. it is because smoke contains many small poisonous soils and gases. so in
order to keep healthy we have to go out to the countryside to breathe more fresh air. or we can go up hills to get more fresh air.
新鮮空氣的重要性
沒有空氣就意味著死亡。 雖然我們看不到，但我們周圍存在著空氣。所以空氣遍布各處，把生命帶給每種生物。沒有空氣我們沒法生存�？諝獠缓檬谷松 Ｎ覀儽仨氂行迈r空氣才能保持健康。
城市中人口眾多，路上跑著許多汽車。汽車排放的氣體充滿了毒害；每天我們吸進(jìn)呼出這些空氣。
除了有這么多汽車，還有很多工廠。從這些工廠的煙囪里·，我們得到的通常是黑色或灰色的煙霧。這種煙霧一旦和空氣混合，就對我們的健康產(chǎn)生危險(xiǎn)。這是因?yàn)闊熿F中含有許多小的有毒的顆粒和氣體。所以為了保持健康我們就不得不到鄉(xiāng)下去呼吸更多的新鮮空氣。或者我們也可以爬山去呼吸更多的新鮮空氣。
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