单项选择题

Rivers have been important to man ______.

A．since the last century
B．for a very long time
C．since a few years ago
D．since a few hundred years ago
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单项选择题
I managed to reach the finals in the last year's local championship.
A．在去年本地的锦标赛中，我犯规了。
B．在去年本地的锦标赛中，我一直打了下去。
C．在去年本地的锦标赛中，我打人了决赛。
D．在去年本地的锦标赛中，我打到了最后。
单项选择题
A heavily populated agricultural area is one where ______.
A．there are more factories than farms
B．only a few farmers live
C．too many farmers live close to one another
D．people suffer and starve
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