【正文】 : You’ve made a lot of pollution in the air, water, soil, etc. What’s more, you’re killing other creatures mercilessly.H: Yes, that’s really a problem. What, in your opinion, is the future of us humans?E: To be frank, I’m not so optimistic about it. In fact, if things go on like this, the Earth will be destroyed sooner or later.H: That sounds terrible. I hope we’ll do something to stop the mistakes and will have a better future.Part Four Writing and Translation1. Translation Practice1 醉后駕車者嚴重威脅其他道路使用者（的安全）。 2 你能扼要地向我解釋一下它的工作原理嗎？ 3 她義無反顧地離開了這座她生活了一輩子的城市。 4 簡驚奇地望著我。“你真的要去？”她說。 5 史密斯博士度假期間突然心臟病發(fā)作。 6 羅杰的婚姻很美滿，還有了兩個孩子。 7 西蒙有許多激動人心的點子，他迫不及待地想付諸實施。 8 我們仔細考慮過你的建議。不過很遺憾，我們不能接受。 9 過去50年中社會發(fā)生了深刻的變革。10 這次晚會籌備得很匆忙。2. WritingSampleThe Sphinx in Egypt is one of the greatest mysteries in history. It has the face of a man, and the body of a lion, and it faces east. It was carved out of a single piece of stone weighing hundreds of tons. Who built it and for what purpose? When and how was it built? It has long been argued that the Egyptians couldn’t have built the Sphinx. An advanced civilization 8,000 to 10,000 . may have built it. Whatever the origin of the Sphinx, it has been a symbol of strength and intelligence of Egyptian culture.The Bermuda Triangle is an area in the western Atlantic Ocean between Bermuda, Florida, and Puerto Rico. In the past 100 years over 70 ships and planes have disappeared mysteriously in this area. The most famous disappearance was the loss of Flight 19. Five . Navy planes and 14 men on the planes disappeared without a trace. A search plane was sent and it also disappeared pletely. Many theories have been offered to explain the mystery of the Bermuda Triangle. Some people believe that the ships and planes were taken away by creatures from another planet. Another theory is that the strange magnetic properties of the area result in the disappearances. The latest theory is that the escape of large amounts of methane gas from the seafloor of the Bermuda Triangle is responsible for the disappearances in that area. But all these theories have yet to be proved.The Mary Celeste was a large ship that set sail from New York for Genoa on November 7, 1872. She was found abandoned at sea on December 14, 1872. The crew disappeared without a trace, leaving no indication as to why they left the ship. Everything else on the ship was pletely normal. A meal was being cooked on the stove and toys for the daughter of the captain were found on her bed. This disappearance of the crew from an undamaged ship remains one of the most famous sea mysteries. There are many theories as to why the crew abandoned the ship. Some relate the disappearance to the Bermuda Triangle, although the ship was not found near that area. Others say the crew were killed by pirates, although there were no signs of a fight.Do UFOs really exist? Many people claim to have seen UFOs in real life. The first reported UFO sighting in America was made by an airplane pilot in 1947. Some people have even taken pictures of UFOs. But do UFOs really exist? Many of the UFOs sighted have been found to be planes, weather balloons or shooting stars. Others may be explained by optical illusions or people’s psychological desire to interpret the images as UFOs. However, a recent public opinion poll shows that many people think that UFOs do exist, in spite of the lack of evidence.8