单选题What happens because of the traditional fire-fighting practices in the USA?AThere are fewer wildfires.BTrees and grass become thicker.CThe weather becomes warmer and drier.DSunlight reaches the ground to help forests.
单选题
What happens because of the traditional fire-fighting practices in the USA?
A
There are fewer wildfires.
B
Trees and grass become thicker.
C
The weather becomes warmer and drier.
D
Sunlight reaches the ground to help forests.
参考解析
解析：
细节理解题。文章第三段提到美国传统的消防方式能很快地将火扑灭，使得很多森林没有被烧毁，植被茂密，保存完好。所以，此题的正确答案为B项。
细节理解题。文章第三段提到美国传统的消防方式能很快地将火扑灭，使得很多森林没有被烧毁，植被茂密，保存完好。所以，此题的正确答案为B项。
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