高中英语（m3u4）教学资料 language study.pptVIP

13. ★puzzle n. 谜；难题 vt. ＆vi. （使）迷惑；（使）为难 How life began on earth is one of the biggest puzzles that scientists found hard to solve. 地球上的生命是如何起源的是科学家们最难解答的问题之一。 【拓展】(1)be in a puzzle 感到困惑；不知如何是好 puzzle about/over 冥思苦想，苦苦思索 (2)puzzling adj. 令人迷惑的 (3)puzzled adj. 迷惑的 be puzzled about 对……迷惑不解 ②The firemen were in a puzzle about the cause of the fire. 消防队员对这场火灾的起因困惑不解。 ③We puzzled for two months about where to put you. 为了安置你, 我们苦思了两个月。 ④The student was puzzled about what to do next. 这个学生对下一步该做什么感到困惑。 【学以致用】完成句子 ①I’m __________as to what to do next. 对于下一步该做什么我也不知道。 ②This is _____________________problems. 这是最令人迷惑的问题之一。 in a puzzle one of the most puzzling 14. What it was to become was uncertain until between 4. 5 and 3. 8 billion years ago when the dust settled into a solid globe. 【分析】 （1）此句为主从复合句。 （2）句中what引导的从句在句中作主语，what在从句中充当动词become的宾语。when引导定语从句，when在从句中充当时间状语。 （3）主语从句中was to become是“be＋不定式”结构，在句中表示将要发生的动作。 【学以致用】将上面句子翻译成汉语 ______________________________________________________ _______________________________ 直到38亿~45亿年前，这团尘埃逐渐稳定下来变成了固态的球 体，它将成为什么仍然不得而知。 15. The earth became so violent that it was not clear whether the shape would last or not. 【分析】 （1）此句为主从复合句。 （2）句中that引导结果状语从句。在结果状语从句中it作形式主语, whether. . . or not为一个从句，在句中作真正的主语。 （3）so. . . that. . . “如此……以至于……”；It is not clear that从句“不知道……；不清楚……”。 ①This exam is so difficult that many students failed. 这次考试很难，结果很多学生不及格。 ②It’s not clear to me that what this book is trying to tell. 我不清楚这本书是要告诉我们什么。 【学以致用】 ①将上面句子翻译成汉语。 ________________________________________________________ ②仿写句子。 天非常旱，这些树能否活下来还不清楚。 _______________________________________________________ ______ 地球变得激烈动荡，不知道这个固体形状是否会继续存在下去。 It is so drought that it is not clear whether the trees can survive or not. 16. Others， called amphibians，were able to live on land as well as in the water. 另外一些，被称作两栖动物，既可以