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【参考答案】

dealt—改成deals
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flickered—改成flickering。flicker为不及物动词，不宜使用过去分词形式作定语，故用现在分词形式作定语。
单项选择题
A．wheat prices are very low in the worldB．the demand for wheat is decreasingC．many regions are affected by droughtD．the wheat consumption is becoming less
A．wheat prices are very low in the world
B．the demand for wheat is decreasing
C．many regions are affected by drought
D．the wheat consumption is becoming less
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