内容正文:
Section Ⅰ Starting out & Understanding ideas — Comprehending
学习任务目标
1. 识记本课时的重要语言点;
2. 快速阅读课文,了解麦夸里岛上发生的事情;
3. 细读课文,找出作者的写作目的并说明理由;
4. 观看视频,感知地球生态系统的多样性及所有生物之间相互依赖的关系;
5. 观察、对比三幅咸海卫星照片,讨论咸海可能正在发生的变化,并发散思维,想象咸海未来的变化及分析引起这些变化的原因,初步思考人类活动对地球产生的影响。
词汇互译
1. dramatically adv. 显著地
2. habitat n. 栖息地
3. appetite n. 胃口,食欲
4. multiply v. (使)大大增加,(使)倍增
5. conservation n. 保护
6. virus n. 病毒
7. chaos n. 大混乱;紊乱
8. decrease v. (使)变小,(使)减少
9. trap n. 夹子,陷阱
10. departure n. 离开
11. explode v. 突然增加
12. collapse v. 倒坍;塌下
13. subsequently adv. 后来,随后
14. incident n. 事件
15. owe v. 应该做……;对……负有……的义务
16. 生态 n. ecology
17. 中间的,半途的 adj. halfway
18. 遗产;传统 n. heritage
19. 植物,草木(总称) n. vegetation
20. 侵蚀 n. erosion
21. 免疫力 n. immunity
22. 大量的,多的 adj. substantial
23. 干预,介入 n. intervention
24. 有害小动物;害虫 n. pest
25. fail to do 做……失败
26. in harmony with 与……和谐
27. develop an appetite for 对……产生兴趣
28. out of control 失去控制
29. remove... from... 从……把……清除
30. take over 接收;接管;取代
31. in turn 依次;轮流;反过来
32. lead to 导致;造成(后果);通向
33. come up with 想出;提出
34. 因此;结果 in consequence
35. 结果是;证明是;生产;制造 turn out
36. 大量的 a substantial number of
37. 一劳永逸地;彻底地 once and for all
38. 灭绝;消失 die out
表格填空
Parts
Main ideas
Details
Part 1(Para. 1)
Macquarie Island was listed in UNESCO World Heritage because of its wild and 1. natural beauty.
·Strong winds and stormy seas have helped 2. sculpt the island's long, thin shape.
·The green grass and bare rock of its landscape contrast dramatically.
·Its native animals existed 3. in perfect harmony with their natural habitat for thousands of years.
Part 2
(Para. 2
—
Para. 3)
Since 1810, changes 4. have taken place on Macquarie Island.
·Humans arrived on the island, unknowingly bringing rats and mice.
·These small animals ate the birds' eggs and 5. attacked baby birds .
·Cats were brought to the island to control the rats and mice.
·Unfortunately, the cats developed 6. an appetite for the birds, too.
·Rabbits were introduced to the island as food and multiplied rapi