一 重点单词
1. bad (adj.) →(最高级)最坏的
2. thankful (adj.) 感激的→ (adv.) 幸亏；感激地
3. sudden (adj.) 突然的→ (adv.) 突然地
4. think (v.) 思考→ (n.) 思考；想法
5. terrible (adj.) 糟糕的→ (adv.) 非常糟糕地

一、1. worst 2. thankfully 3. suddenly 4. thinking 5. terribly

二、重点短语
6. security guard 7. as soon as
8. all of a sudden 9. out of breath

二、6. 保安人员 7. 一……就…… 8. 突然 9. 上气不接下气

三、重点句型，每空一词
10. (1b) She saw that the waves were coming in . 她发现海浪正在涌进来，而不是退出去。
11. (1b) Two weeks before, her geography teacher had explained that earthquakes under the sea could ! 两周前，她的地理老师就解释过，海底地震可能会引发名为海啸的危险海浪！
12. (1b) People were screaming and running when they saw a huge wall of water coming from the sea. 人们看到一堵巨大的水墙从海里涌来时，都在尖叫着拼命奔跑。
13. (1b) But thankfully, her family just as the water hit the hotel. 但幸运的是，就在海水冲撞上酒店的那一刻，她一家成功抵达了安全地带。

三、10. instead of going out
11. create dangerous waves called tsunami
12. as fast as they could
13. made it to safety