题目内容:
阅读下列材料,回答题。


阅读部分第1题:The main topic discussed in the text is
Athe damage caused to US golf courses and golf players by lightning strikes.
Bthe effect of lightning on power supplies in the US and in Japan.
Ca variety of methods used in trying to control lightning strikes.
Da laser technique used in trying to control lightning strikes.
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答案解析: