单选题
Livermore's computer map, in combination with weather reports, might be useful in predicting ______.
A、
the path of toxic gases from a nuclear power plant explosion
B、
where incoming nuclear missiles might strike
C、
the average annual rainfall for North Dakota
D、
the amount of pollution in the air
【正确答案】
A
【答案解析】
第二段提到科学家把美国地形缩略图放在电脑上，是为了predict how toxic gases might spread，选项A符合文意。
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