unit 3 保护我们的地球.pptVIP

Unit 3 保护我们的星球 Part 1 1.Despite—in spite of Despite the hardship, he still accepted the challenge. 2.Be responsible for—take the duty of You should be responsible for the mistakes you made. 3. A large number of –a lot of 4. Range from… to The students range from 14 to 20. What is not in doubt, however, is the devastating effect (that) humans are having on the animal and plant life of the planet. No body would deny the fact that human beings are doing tremendous damage to the animal and plant life on the earth. 一点是毫无置疑的，那就是人类正在对地球上的动、植物生活造成致命的破坏。 Pa 2. Become extinct—disappear Carry on—continue We can carry on our discussion after lunch. A flood of –a series of 一系列的 So, if you lose a key species, you might cause a whole flood of other extinctions. 所以，如果失去一个重要的物种，那也许会引起大量其他物种的绝迹。 Pa 3 intractable—very difficult to handle Unlike global warming and ozone depletion—which, if the political will was there, could be reduced by cutting gas emission— preserving bio-diversity remains an intractable problem. 虚拟语气（subjunctive mood) 与现在事实相反 主语+could/should/might/would if 主语+ved If I were you, I wouldn’t do it like that. I would telephone her if I had her phone number now. 虚拟语气是一种特殊的动词形式，一是用来表示说话人所说的话不是一个事实，而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中)；一是表示说话人的愿望、要求、命令、建议等 (在宾语从句、表语从句、同位语从句)。 eg:If I had time, I would attend the meeting. If he had hurried ,he could have caught the train. If I were to go abroad ,I would go to America. A.在句型 “It is important (necessary, strange, natural) that ” 中，that 后面的从句中的谓语动词用： should + 动词原形 我们有必要出去散散步。 It’s necessary that we should have a walk now.  2 她这样做是很自然的。 It’s natural that she should do so.  3 重要的是我们要照顾好病人。 It’s important that we should take good care of the patient.  Pa 4 1.Sustainalbe management—可持续管理 2.provided—if, providing We will go provided that the weather is fine. 假如天晴，我们就去。 3. alive—存活的，活着的 The tiger is still alive. Pa 5 Protect …from—prevent ..from, stop…from No one can protect him fro