Once the balance of nature_____,severe disasters are likely to strike in ways beyond imagination.
问题描述：
Once the balance of nature_____,severe disasters are likely to strike in ways beyond imagination.
A is ignored
B is broken
C is destroyed
D is ruindh
答
B
break the balance of nature打破自然界的平衡
句意：一旦自然界的平衡遭到破坏,超出人们想象的严重灾害就可能发生.求解释ignore忽略destroy摧毁ruin（严重）毁坏