1£®When and where was the worst earthquake ever reported?

In 1556 in China.

2£®What may be talked about in the seventh paragraph?

What people will do to prepare for earthquakes.

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1£®regularly adv.¡¡                            ÓйæÂɵأ¬¶¨ÆÚµØ

2£®mountainous adj.                          ¶àɽµÄ

3£®worry vt.                                     ʹ……µ£ÐÄ

4£®prepare for                                   Ϊ……×¼±¸