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Huang Lei39。s opinion? A. He doesn39。t believe the good characteristic is lost as we grow older in this stressedout society. B. He thinks all of us should keep our better nature and never let it disappear. C. He feels excited because he can see the film in two versions first.D. He and his daughter voice the film together.BLadies and gentlemen, I returned to this year in a time machine. In the year 2500,we are able to travel through time to any year in the history of the earth. This year is your last chance to change your lifestyle to save the earth. Beginning in the middle of the 20th century, a few people were worried about polluting the earth39。s water and air,but most people did not change their way of life. Instead, they continued to pour(倒)dangerous chemicals(化學(xué)物品)and other waste into lakes and seas,to drive more and more cars and trucks,and to cut down trees. By the year 2200,the earth39。s water was pletely polluted. People could no longer drink water, and they had to use other types of liquids(液體).Scientists said that in the future there might be too many people on the earth. But not enough was done. So by the year 2300,there were so many people that food became scarce. There was no water to grow food and all of the fish in lakes and seas died because of pollution. Terrible wars broke out between the rich and the poor. Scientists were working very hard to find another planet in space where humans could live on. By the year 2400,the air was too polluted for humans to breathe. So we had to leave the earth. But only the rich were able to leave. Where did we go? Nowhere. You see scientists did not find another safe planet,so now we must travel around the universe in our space ships. We are still looking for a place to call our home. So it is up to you to change history. There is still hope. You must change your lifestyle now, before it is too late.30 .Which problem is NOT talked about in Paragraph2? A. Water. B. Air. C. Lifestyle. D. Food.31. The underlined word scarce means . 32. Which of the following is NOT true? A. Only a few people changed their lifestyle in the 20th century. B. There was no clean water for people to drink by the year 2200. C. All the fish died because of the pollution by the year 2300. D. We found a new home in another planet by the year 2400.33. What39。s the best title of the passage? A. Stop polluting B. Change or leave C. Look for new home D. Return to the earthCListen carefully to what I say, the time traveller said. I shall tell you something that you will not agree. Why will we not agree I asked. Because the science and mathematics you know are not correct,he said. You believe there are only three dimensions(三維空間)length, breadth(寬)and thickness. There is nothing to agree with that, the youngest member of our little group said. Exactly! the time traveller answered. But there is also a fourth dimensiontime. We all know about time, another member of the group said. Time passes. I do not agree, the time traveller said. Length, breadth and thickness do not pass. They stay in the same place in space. We move about them. I can prove that time is the same. It does not pass. We move in time the same way that we move in length, breadth and thickness. None of us believed the time traveller, and we argued with him for many hours. If we could travel back in time, the scientist said. We could do things to change the future. If we could travel forward in time, the doctor(博士)said. We