题目内容：
1.题目:词汇教学试讲2:内容:
At 3:42 a. m. everything beganto shake.' It seemed as if the world was at an end! Eleven kilometers directly below the city, the greatest earthquake, of the 20th century had begun. It was felt in Bei jing, which is more than two hundred ki lometers away. One -third of the nation felt ; it A huge crack that was eight ki lometers dong and thirty meters wide cut across houses, roads and canals. Steam burst from ho les in the ground. Hard hills of rock became rivers of dirt. In fifteen terrible seconds alarge city lay in ruins. The suffer ing of the peop le was extreme. Two-thi rds of them died or were injured dur ing the ear thquake. Thousands of fami lies were killed and many chi Idren were left without parents. The number of people who were killed or in jured reached more than400，000.
3.基本要求:
(1)朗读所给段落;
(2)配合教学内容适当板书;
(3)针对所给段落的加黑部分，设计讲解词汇的教学活动;
(4)用英文试讲;
(5)试讲时间: 10 分钟。
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