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            • 1．

              __________（巧合地）， oil paints were also developed at this time, which made the colors used in paintings look richer and deeper.

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            • 2．
              69、In terms 　　　　　natural resources，it is one of the poorest countries in Western Europe.
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            • 3．
                            （多亏）your help, I could come through in such a difficult condition.．
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