【名师课件】2014高三一轮复习英语必修三《Unit4 AstronomyThe science of the stars》回归课本讲义课件（160张PPT） .ppt.ppt

39．The greatest threat to the continued_______ of this special fish is the water pollution caused by the factories along the river. A．catastrophe B．appearance C．existence D．possession [解析] C　句意：对这种特殊鱼的继续存在的最大威胁是沿河的一些工厂造成的水资源的污染。A项意为“灾难”；B项意为“出现”；C项意为“存在”；D项意为“拥有，个人财产”。 * * 《英语学习辅导报》出品 《英语学习辅导报》出品 * 《英语学习辅导报》出品 《英语学习辅导报》出品 * now Ⅲ.翻译句子 1．很久以前地球上存在着恐龙。(exist) There existed dinosaurs on the earth a long time ago. 2．什么都不能阻止他实现他的梦想。(prevent) Nothing can prevent/stop/keep him from realizing his dream. 3.既然他们有计算机了,处理这个问题就更容易了。 (now that) Now that they have computers，it becomes easier to deal with the problem. 4.无论你在业余时间做什么都不应该伤害人.(whatever) Whatever you do at your spare time should not do harm to others. 5.人们建议采取措施来改善我们的教育. (It is suggested) It is suggested that measures should be taken to improve our education. * Ⅲ.句式填空 1．what 引导的主语从句 ________ (它会变成什么样) was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 2．so... that... 如此……以至于…… The earth became ________ (如此猛烈以至于)it was not clear whether the shape would last or not. 3．it 作形式宾语的用法 This produced a chain reaction, which ________ (使得生命得以发展). 4．英语倍数表示法 But when I tried to step forward, I found I was carried ________ (两倍远) on the earth and fell over. What it was to become so violent that made it possible for life to develop twice as far as 句式填空 * 5. 英语中的比较结构 When we get closer to the moon, we shall feel its gravity pulling us, but it will not be _________________the earth’s. 我们离月球越近，就会感觉到月球的引力在吸引我们，但不如地球的引力那么强。 6.now that 引起的原因状语从句 ....walking does need a bit of practice ________ gravity has changed. ……既然重力改变了，走路也确实需要练一练了。 as strong a pull as now that * I .微写作 【写作素材】 1．恐龙在地球上存活了好多年。 2．他们生下小恐龙，温暖的气候使他们迅速繁殖。 3．可惜，他们未能制止自己的消失。 4．此后人类就开始统治这个地球。 提示：黑体部分用本单元词汇表达。 Dinosaurs existed on the earth for a long time. They gave birth to youn