![Expertsknowthatadisasteriscomingbuttheydonotknowwhenitw...]( "Expertsknowthatadisasteriscomingbuttheydonotknowwhenitw...")
- 問題詳情：Expertsknowthatadisasteriscomingbuttheydonotknowwhenitwillhappen.Theydoknowthatitcouldcausealotofdamage.Theythinkitwillbeworsethanahurricane.Thedisastertheyareworriedaboutisanearthquake.Thereisabreakintheearth’scrust(外殼).ItiscalledtheSanAn...
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