题目内容：
Questions are based on the passage you have just heard.[A] Equivalent to a hydrogen bomb.
[B] Equivalent to tons of TNT.
[C] Equivalent to tons of hydrogen bombs.
[D] Equivalent to a ton of TNT.
参考答案：
答案解析：
单选题：Questions are based on the passage you have just heard.[A] E
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[A] Equivalent to a hydrogen bomb.
[B] Equivalent to tons of TNT.
[C] Equivalent to tons of hydrogen bombs.
[D] Equivalent to a ton of TNT.