先閱讀短文,掌握其大意。然后從方框中所給的詞中選出恰當(dāng)?shù)?0個,并用其適當(dāng)形式填空,每個詞限用一次。(每小題1分)
stop, though, sleep, their, bad, city, ill, we, start, fresh, please, breath
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Villagers are healthier than people who live in towns. One reason for this is that country air is
【小題1】
than the air in smoky
【小題2】
. The villager is
【小題3】
fresh clean air all day in the fields, but the air the townsman breath is always full of smoke and dust. We cannot live without air. If we are
【小題4】
from breathing even for five minutes, we will die. Bad air means bad health and certain kinds of
【小題5】
, which may kill us,
【小題6】
they may not kill us at once.
We all know
【小題7】
feelings we will get if we stay a long time in a shut, crowded room. After a time, we begin to feel very
【小題8】
, and can hardly keep our eyes open. Then our heads begin to ache, and the longer we stay the
【小題9】
we feel. How nice it is when we get outside into the fresh air! We must, therefore, keep
【小題10】
windows open, so that air in our rooms is always fresh.