【文章內(nèi)容簡介】 ases the temperature by 5 degrees would be a says, ” We can39。t predict the climate well enough to know what to expect, but it could be very serious.“ Others who agree with her think there may be a rise of several metres in the sea level, or predict severe storms, floods, droughts, famines, the spread of diseases and the disappearance of the other hand, there are those, like George Hambley, who are opposed to this view, believe that we should not worry about high levels of carbon dioxide in the predict that any warming will be mild with few bad environmental fact, Hambley states, ”More carbon dioxide is actually a positive will make plants grow quicker。crops will produce more。it will encourage a greater range of animalsall of which will make life for human beings better. Greenhouse gases continue to build up in the if we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or one knows the effects of global that mean we should do nothing? Or, are the risks too great?Unit 5AN EXCITING JOB I have the greatest job in the travel to unusual places and work alongside people from all over the working outdoors, sometimes in an office, sometimes using scientific equipment and sometimes meeting local people and tourists, I am never my job is occasionally dangerous, I don39。t mind because danger excites me and makes me feel , the most important thing about my job is that I help protect ordinary people from one of the most powerful forces n earththe was appointed as volcanologist information for a database about Mount Kilauea, which is one of the most active volcanoes in collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how work has saved man lives because people in the path of the lava can be warned to leave their , we cannot move their homes out of the way, and many houses have been covered with lava or burned to the boiling rock erupts from a volcano and crashes back to earth, it causes less damage than you might is because no one lives near the top of Mount Kilauea, where the rocks lava that flows slowly like a wave down the mountain causes far more damage because it buries everything in its path under the molten , the eruption itself is really exciting to watch and I shall never forget my first sight of was in the second week after I arrived in worked hard all day, I went to bed was fast asleep when suddenly my bed began shaking and I heard a strange sound, like a railway train passing my experienced quite a few earthquakes in Hawaii already, I didn39。t take much was about to go back to sleep when suddenly my bedroom became as bright as ran out of the house into the back garden where I could see Mount Kilauea in the had been an eruption from the side of the mountain and red hot lava was fountaining hundreds of metres into the was an absolutely fantastic day after this eruption I was lucky enough to have a much closer look at other scientists and I were driven up the mountain and dropped as close as possible to the crater that had been formed during the earlier collected special clothes from the observatory, we put them on before we went any three of us looked like had white protective suits that covered our whole body, helmets, big boots and special was not easy to walk in these suits, but we slowly made our way to the edge of the crater and looked down into the red, boiling other two climbed down into the crater to collect some lava for later study, but this being my first experience, I stayed at the top and watched , I am just as enthusiastic about my job as the day I first studied volcanoes now for many years, I am still amazed their beauty as well as their potential to cause great damage.第四篇：高中英語選修6重點詞匯,短語,句子復(fù)習(xí)總結(jié)選修6重點詞匯，短語，句子復(fù)習(xí)總結(jié) Unit1 重點單詞abstract 抽象 sculpture 雕塑 belief 信仰 special特殊 visual視覺consequently 因此 specific 具體 fragrant芳香 permanent永久 faith信念（信心）symbol象征 value 價值 focus 焦點 avenue 大道 exhibition展覽 possession擁有 figure圖 achievemen 成就 mostly 大多 shadow陰影 variety 品種 contemporary 當(dāng)代 custom習(xí)俗 adopt采用 object對象 explore gallery admission influence conventional convince ridiculous controversial excellent evident attempt predict collection discovery traditional amazing realistic masterpiece environment style aggressive scholar civilization counterpart scene permanent tip preference represent display fragile typical shape gradually technique reputation including replace 重點短語focus on 集中 a great deal 大量 scores of concentrate on at the same time that Is(to say)as well as by coincidence lie in break away from on the other hand be well worth would rather appeal to精力在一個很大的成績集中精力在同一時間是(說)以及巧合睡懶覺了 擺脫另一方面很值得 寧愿吸引重點句子 typical picture of this time was full of religious symbols, which created a feeling of ?一個典型的圖片的這個時候布滿了宗教符號,創(chuàng)造了一種感覺? it was evident that ideas were changing in the 13 century when ?但顯然的想法改變13th世紀(jì)? the rules of perspective had not been discovered, on one would have been able to 如果規(guī)則沒有發(fā)現(xiàn)透視法,在一個能夠畫出如此逼真的圖片。paint suc