题目内容
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[主观题]
According to the passage, which of the following is true of acid rain？A．Tree leaves die of
According to the passage, which of the following is true of acid rain？
A．Tree leaves die of lack of water from acid rain.
B．Spruce growth is accelerated by acid rain.
C．Acid rain kills the microorganisms within the soil.
D．Beech trees suffer more than other trees in acid rain.
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