在修正薄膜厚度时，不应将油泵供油压力调整到最大工作压力下进行。

      About a hundred people lived in a very small mountain village. It was very    1    from the other villages
and towns. They had few friends and they got bad harvest.    2    of them left the village. Of course there
was neither electricity (电) nor gas (煤气) there.
      Once a writer    3    the village. The backwardness (落后) of the village surprised him. He decided    4    
about it to the world. So he took the oldest villager to London. The old man told all about his home village to
the people. Several months    5    he returned. All the villagers went to see him and asked him how he had
enjoyed     6    in the city.
     "Everything is wonderful in     7   ," the old man said.
      "I've     8    to many good places and eaten all kinds of nice food and other things. But the trouble was I
could not     9    at night."
      "What happened to you?" his wife asked. 
      "The   10   was on in my bedroom all the time."
      "Why not blow it out, then? "
      "I tried-but it was inside a little glass bottle."