| 第 1 页：听力练习 |
| 第 2 页：参考译文 |
| 第 3 页：词汇释义 |
| 第 4 页：词组解释 |
1.head toward 前往
例句：
Often,marriages tend to drift.They get caught in dangerous currents.They get off course and head toward hidden sandbars.
婚姻往往像在水上漂流，会陷入危险的激流里，会偏离航向流向暗藏的沙洲。
2.under attack 遭受攻击
例句：
The village came under attack last night.
村庄昨夜遭到了袭击。
3.open fire v.开火, 开始
例句：
He ordered his men to open fire.
他命令士兵开火。
4.originate in vt. 起源于(发生于)
例句：
The hot dog did not originate in the United States, but in Germany.
热狗不是起源于美国, 而是德国。
