2. 外语
  3. These large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse

These large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse

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问题 These large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can even______forest fires.
选项 A、sprout
B、accelerate
C、ignite
D、foster
答案C
解析 C选项：ignite意为“点燃，引发”，如：The rock and roll ignites the excitement of the audience．(摇滚乐激起了观众的热情。)句意：大范围的地火致使地面温度上升，导致周围的植物枯死，并产生温室气体，甚至会引发森林火灾。故选C。其他三项：sprout发芽，长出；accelerate(使)加快；foster培养，促进。
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