9 needn't;everyone 10 mixture;would 2 Vocabulary Review 1 A device;B devise;C device 2 A searched for;B searched;Csearch 3 A responsible for;B responsible;C responsible 4 A same;B similar;C same,same 5 A advances;B advancement;C advanced 6 A example;B sample;C example 7 A possible;B possibly;C possibly 3 Nothing Left to Explore? Sample I agree with the point of view.There's little left for us to explore in the 21st century.We have uncovered most of the planet's secrets.We've explored the Arctic and Antarctica, conquered the highest mountains,traveled across the largest deserts,and exploited deep sea oil. We've launched satellites and spaceships to explore both the Earth and our galaxy.Men reached the moon a long time ago and spacecraft have reached Mars or are still on the way there.All these show that men have done enough exploration on Earth and in the neighborhood. I don't agree with the point of view.Although great progress has been made in our understanding of the world in the past centuries,there are still mysteries for us to solve in the 21st century.For instance,so far little has been known about deep sea creatures.Much needs to be done before we can find a cure to such epidemics as AIDS,SARS and other diseases that have claimed thousands and thousands of human lives.Even our brain has not fully been understood.let alone the boundless realm of the universe. 4 Other Mysteries That You Know Of Sample In the Tarim Basin in China,some mummies were unearthed.They were not Chinese.They were not even Asian.Evidence shows that these people lived in the Tarim Basin 4,000 years ago and thrived there for at least 1,500 years but then they disappeared.So who were they? What language did they speak?Where did they come from?Why did they disappear?These questions have puzzled scientists and scholars.Some believe these people probably migrated to Asia from southern Russia,and some say they may have come from Iran or Turkey.These mummies remain a mystery to us. 5 An Encounter Sample E=E.T.H=human being (E is visiting H at his home.) E:How do you do? H:How...how do you do? E:Well,don't be afraid.I'm from Mars and I've come here to see you. 66 9 needn’t; everyone 10 mixture; would 2 Vocabulary Review 1 A device; B devise; C device 2 A searched for; B searched; C search 3 A responsible for; B responsible; C responsible 4 A same; B similar; C same, same 5 A advances; B advancement; C advanced 6 A example; B sample; C example 7 A possible; B possibly; C possibly 3 Nothing Left to Explore? Sample • I agree with the point of view. There’s little left for us to explore in the 21st century. We have uncovered most of the planet’s secrets. We’ve explored the Arctic and Antarctica, conquered the highest mountains, traveled across the largest deserts, and exploited deep sea oil. We’ve launched satellites and spaceships to explore both the Earth and our galaxy. Men reached the moon a long time ago and spacecraft have reached Mars or are still on the way there. All these show that men have done enough exploration on Earth and in the neighborhood. • I don’t agree with the point of view. Although great progress has been made in our understanding of the world in the past centuries, there are still mysteries for us to solve in the 21st century. For instance, so far little has been known about deep sea creatures. Much needs to be done before we can find a cure to such epidemics as AIDS, SARS and other diseases that have claimed thousands and thousands of human lives. Even our brain has not fully been understood, let alone the boundless realm of the universe. 4 Other Mysteries That You Know Of Sample In the Tarim Basin in China, some mummies were unearthed. They were not Chinese. They were not even Asian. Evidence shows that these people lived in the Tarim Basin 4,000 years ago and thrived there for at least 1,500 years but then they disappeared. So who were they? What language did they speak? Where did they come from? Why did they disappear? These questions have puzzled scientists and scholars. Some believe these people probably migrated to Asia from southern Russia, and some say they may have come from Iran or Turkey. These mummies remain a mystery to us. 5 An Encounter Sample E = E.T. H = human being (E is visiting H at his home.) E: How do you do? H: How…how do you do? E: Well, don’t be afraid. I’m from Mars and I’ve come here to see you