相关简介
本课件围绕人教版高中英语必修二《Wildlife Protection》Section B的内容展开，重点讲解重点词汇和句式，帮助学生理解和掌握描述野生动物保护的英语表达。通过观察藏羚羊等实例，引导学生思考人与自然和谐共处的重要性，同时深入学习make out、observe、remind等核心词汇以及why引导的表语从句和only倒装句的用法。
互动探究
重点词汇
1. make out 看清；听清；分清
On the plain in front of us, we can just make out a herd of graceful animals. (放眼平原，我们隐约看到一群体形优美的动物。)
I can't make out the words on the advertising board. 我看不清广告牌上的字。
A man called just now, but I didn't make out who it was. 有人刚才打电话，但我没听清是谁。
In some languages, 100 words make up half of all words used in daily conversations. 在一些语言中，100个单词构成了日常对话使用的所有词汇的一半。
As long as you have a dream, keep trying and you'll make it. 只要你有梦想，不断努力就一定会成功。
2. observe vt. 观察(到)；注视；遵守；庆祝
This is why we're here—to observe Tibetan antelopes. 这就是我们来这里的原因——观察藏羚羊。
It was observed that successful people spent a lot more time reading than watching TV. 据观察，成功人士花在阅读上的时间比看电视的时间多很多。
Rules should be worked out and strictly observed. 应该制定规章制度并严格遵守。
Could you tell me how you usually observe the festival in your country? 你能告诉我你们国家是如何庆祝这个节日的吗？
3. remind vt. 提醒；使想起
I'm also reminded of the danger they are in. 我也想到了它们所处的险境。
I've forgotten how to do this; will you remind me? 我已忘了怎么做这件事，你提醒我一下好吗？
In our childhood, we were often reminded by Grandma to pay attention to our table manners. 在我们的童年时代，奶奶经常提醒我们注意餐桌礼仪。
重点句式
1. This is why we're here—to observe Tibetan antelopes.
【句式剖析】this/that is why...意为“这/那就是……的原因”。why引导的是表语从句，表示结果。
As is known to all, he is honest. That's why I believe in him all the time. 众所周知，他人很诚实。那就是我一直信任他的原因。
The scenery along the Yangtze River is amazing, and that's why I think the trip along the river will be a better choice. 长江沿岸的风景美不胜收，那就是我认为长江之行是更好的选择的原因。
2. Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.
【句式剖析】本句是一个主从复合句。when引导的是时间状语从句，can we stop being...是主句。当only位于句首，且后面跟副词、介词短语或从句等状语时，句子要用部分倒装语序。
Only in this way can you cross the river safe and sound. 只有用这种方法你才能安全地过河。
Only by practising paper-cutting more can you learn the folk art. 只有通过多练习剪纸，你才能学会这门民间艺术。
Only by understanding and learning from each other can we spend those days together happily. 只有通过相互理解、彼此学习，我们才能一起开心地度过那些美好的日子。
