Unit 3 Reading and thinking 课文讲解课件-高中英语人教版（2019）选择性必修第三册.pptx

1. Earth provides enough to satisfy every man's needs, but not every man's greed. 地球能满足人类的需要，但不能满足人类的贪婪。 satisfy/ meet one's needs 满足某人的需要 greed n. 贪婪 greedy adj. 贪婪的 greed for money 贪求金钱 be greedy for fame 渴望成名 2. climate change 气候变化 3. What happened to the polar bear in the photo? 照片中的北极熊发生了什么事？ sth. happen to sb. 某人发生了某事 happen to do sth. 碰巧做某事 It happened that --- 碰巧 4. Why is the “natural” greenhouse effect important and necessary? greenhouse effect 温室效应;5. What are the consequences of high greenhouse gas emissions? 温室气体高排放的后果是什么？ 6. We have known about climate change for decades. 我们几十年前就知道气候变化了。 7. There is little doubt that Earth is getting warmer and warmer. 毫无疑问，地球正在变得越来越暖和。 There is little doubt/ no doubt that --- 毫无疑问--- There is some doubt whether he is the best man for the job. 他是否是那项工作的最佳人选，还存在疑问。 I doubt whether / if he will keep his word. 我怀疑他是否会信守自己的诺言。 I don't doubt that our team will win. 我确信我们队一定会获胜。;8. A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. 海洋和大气的变暖以及冰川融化和海平面上升为全球气候的急剧变化提供了证据。 9. In 2013, a lot of people were shocked by a news photo of a dead polar bear that was found on Norway's Arctic island of Svalbard. 2013年，一张在挪威北极地区的斯瓦尔巴群岛上发现的一只北极熊尸体的新闻照片让很多人震惊。 be shocked by sth. 使震惊 be shocked at sth. 使震惊 be shocked to do sth. 做某事感到震惊 that 引导的定语从句修饰 a dead polar bear;10. According to the scientists who found its dead body, all that remained of the polar bear was “skin and bones”. 根据发现这只北极熊尸体的科学家的说法，这只北极熊只剩下“皮包骨头”了。 according to sth. 根据；按照 who 引导的定语从句修饰the scientists that 引导的定语从句修饰 all be skin and bone(s) 瘦得皮包骨头 The poor little girl was just skin and bones. 那个可怜的小女孩瘦得皮包骨头。 ;11. An expert who has studied polar bears for many years said that from the position of its dead body, the bear ap