【文章內(nèi)容簡介】 y name is Wang since middle school, my sister Wang Wei and I have dreamed about taking a great bike years ago she bought an expensive mountain bike then she persuaded me to buy year, she visited our cousins, Dao Wei and Yu Hang at their college in are Dai and grew up in western Yunnan Province near Lancang River, the Chinese part of the river that is called the Mekong River in other Wei soon got them interested in cycling graduating from college, we finally got the chance to take a bike asked my sister, “Where are we going?” It was my sister who first had the idea to cycle along the entire Mekong River from where it begins to where it she is planning our schedule for the am fond of my sister but she has one serious can be really she didn39。t know the best way of getting to places, she insisted that she organize the trip I know that the proper way is always her kept asking her, “When are we leaving and when are we ing back?” I asked her whether she had looked at a map course she hadn39。t。my sister doesn39。t care about I told her that the source of the Mekong is in Qinghai gave me a determined lookthe kind that said she would not change her I told her that our journey would begin at an altitude of more than 5000 meters, she seemed to be excited about I told her the air would be hard to breathe and it would be very cold, she said it would be an interesting know my sister she has made up her mind, nothing can , months before our trip, Wang Wei and I went to the found a large atlas with good maps that showed details of world the atlas we could see that the Mekong River begins in a glacier on a Tibetan first the river is small and the water is clear and it begins to move bees rapids as it passes through deep valleys, traveling across western Yunnan the river bees a waterfall and enrers wide were both surprised to learn that half of the river is in it leaves China and high altitude, the Mekong bees wide, brown and it enters Southeast Asia, its pace makes wide bends or meanders through low valleys to the plains where rice last, the river delta enters ...Along the way children dressed in long wool coats stopped to look at the late afternoon we found it was so cold that our water bottles , the lakes shone like glass in the setting sun and looked Wei rode in front of me as is very reliable and I knew I didn39。t need to encourage climb the mountains was hard work but as we looked around us, we were surprised by the seemed to be able to see for one point we were so high that we found ourselves cycling through we began going down the was great fun especially as it gradually became much warmer.....In the early evening we always stop to make put up our tent and then we supper Wang Wei put her head down on her pillow and went to sleep but I stayed midnight the sky became clearer and the stars grew was so was almost no windonly the flames of our fire for I lay beneath the stars I thought about how far we had already will reach Dali in Yunnan Province soon, where our cousins Dao Wei and Yu Hang will join can hardly wait to see them!Unit 4 A night the earth didn39。t sleep Strange things were happening in the countryside of northeast three days the water in the village wells rose and fell, rose and noticed that the well walls had deep cracks in smelly gas came out of the the farmyards, the chickens and even the pig were too nervous to ran out of the fields looking for places to jumped out of their bowls and about 3:00 am on July 28, 1976, some people saw bright lights in the sounds of planes could be heard outside the city of Tangshan even when no planes were in the the city, who thought little of these events, were asleep as usual that 3:42 am everything began to seemed as if the world was at an end!Eleven kilometers directly below the city the greatest earthquake of the 20th century had was felt in Beijing, which is more than two hundred kilometers of the nation felt huge crack that was eight kilometers long and thirty meters wide cut across houses, roads and burst from holes in the hills of rock became rivers of fifteen terrible seconds a large city lay in suffering of the people was of them died or were injured during the of families were killed and many children were left without number of people who were killed or injured reached more than how could the survivors believe it was natural? Everywhere they looked nearly everything was of the city39。s hospitals, 75%of its factories and buildings and 90%of its homes were covered the ground like red autumn wind, however, could blow them dams fell and most of the bridges also fell or were not safe for railway tracks were now useless pieces of of thousands of cows would never give milk a million pigs and millions of chickens were now filled the wells instead of were , later that afternoon, another big quake which was almost as strong as the first one shook of the rescue workers and doctors were trapped under the buildings fell , food, and electricity were hard to began to wonder how long the disaster would hope was not after the quakes, the army sent 150,000 soldiers to Tangshan to help the rescue of thousands of people were army organized teams to dig out those who were trapped and to bury the the north of the city, most of the 10,000 miners were rescued from the coal mines built shelters for survivors whose homes had been water was taken to the city by train, truck and , the city began to breathe 5 Elias39。 story My name is am a poor black worker in South time when I first met Nelson Mandela was a very difficult period of my was twelve years was in 1952 and Mandela was the black lawyer to whom I went to for offered guidance to poor black people on their legal was generous with his time, for which I was needed his help because I had very little began school at school where I studied for only two years was three kilometers had to leave because my family could not continue to pay t