【正文】 with air is covered with people is covered with nothing idea we can have is that_______. A plays an important part in our life forms the bottom of the ocean makes up of the most part of the water in the ocean plants are rich enough in the ocean key sentence in Paragraph2 is that_____. B has its own chemical properties has its own chemical structure has its own chemical way has its own freezing point is the meaning of the sentence:…and we have yet to learn much about them.? B have already known a lot about them have already known a little about them have already known none about them are going to know a lot about them makes the ocean such a great place is_ A plants of the following phrase has the similar meaning of the phrase :range from A from from from from is___that makes the seaside city remain somewhat cool in summer. A heat capacity water structure ocean motion density 8The water moving about 200 metres down is the depth where____can‘t reach. C fishes marine life sun earth 9. The water in the ocean also keeps the temperature of the earth somewhat____by….A 99% of the living space on earth is in the oceans. What does this fact result in? Marine life is incredibly rich and varied. Can you give some specific numbers or examples? 5 million species in the oceans What does this fact imply? Do you agree? Water is an excellent medium for life. Why do you agree with it? Water is a liquid at room temperature and has a relatively high freezing point。 All living creatures need food to survive, but on many occasions the nutrients bee available to living things only when they are dissolved by water. Water‘s unique chemical structure Hydrogen Atom+ Oxygen Atom= A polar molecule Can you give some other examples which are also resulted from water‘s unique chemical structure? We can get a lot of nutrients by drinking soup. Plants can pull water up their roots via a capillary(毛細管 ) process. The salinity of the earth‘s oceans is about %. What does this mean? There are about thirtyfive grams of dissolved solids and gases in one kilo of water. In winter water in some containers or small rivers often freezes while that in seas not? Can you explain it? The salinity of sea water can affect the freezing point of water. Sea water has a lower a freezing point, so even when the temperature of sea water falls below 0℃ , sea water is still liquid. What is density? Density is the relationship between mass and volume and is measured in kg/m3, reading kilos per cubic meter The density of water is 1,000 kg/m3 Scanning Structure of the passage THE PROPERTIES OF WATER: CHEMICAL STRUCTURE, SALINITY, OCEAN MOTION, HEAT CAPACITY, DENSITY Main idea The passage mainly tells us it is water that makes the ocean so important to all the living things in the world. Finding Topic Sentences Paragraph 1 Learning about the properties of water helps us understand life on our pla. Paragraph2 The chemical structure of water makes it an excellent medium for life. Paragraph 3 The salinity of the earth\39。s nurseries. Paragraph 2 Estuaries are great places for nature\39。 poverty he Great Depression Unemployment The Civil Rights movement Sacrifices Give some examples of hope and success of the South people of Atlanta struggled to rebuild the city and create a new South. ‘s AfricanAmerican munity grew and black businesses became more successful disappeared and Atlanta was a successful city proud of its cultural diversity bees a place where hope and faith have replaced fear and doubt. Discussion Why is Atlanta in many ways a typicalsouthern city? INTEGRATING SKILLS THE BISON ON THE PLAINS OF AMERICA I D Card Name: bison Order: artiodactyl (偶蹄。 the Vietnam War Fought for the right for blacks in Birmingham Paragraph 7 King‘s success Key points Inspired people of all races for equality received the Nobel Peace Prize Two laws were passed Paragraph 8 King‘s death Key points Murdered in 1968 The blacks started to enjoy equal rights Reading prehension 1. When Martin Luther King, Jr gave the speech ―I Have A Dream‖, the slavery had already ended in the USA for about ___ years. C 2. When Martin Luther King, Jr received the Nobel Prize for Peace, he was only _____ years old. A 3. After the death of Martin Luther King, Jr, ___. D A. there were still few jobs to employ blacks B. there were still ―Whitesonly‖ sections in the buses C. his struggle had been fotten by black people D. black people gained equal rights as white people in the USA 4. By saying ―This ?Wait‘ has almost always meant ?Never‘‖, Martin Luther King, Jr meant______. A A. to inspire people of all races to fight for equality, not to wait for equality B. people of all races could never get equality C. waiting could play an important part in the fight for freedom D. housing conditions for blacks would never improve if blacks didn‘t wait 5. According to the text, which of the following statements is TRUE? C A. Jane, a pretty black girl, could marry John, a white young man. B. Jane, a pretty black girl, could buy some beautiful clothes in the section for whites. C. The South kept its own laws to separate blacks from whites. D. Jane, a pretty black girl, could go to college with John, a white young man. Discussion 1. Which civil rights did Martin Luther King, Jr he want black people to get? Voting rights Equal rights Political rights 2. King believed that he could reach his goal through peaceful actions. Give three examples of such peaceful actions. Write letters March on Boycott 3. What can we learn from Martin Luther King? Brave truth freedom peaceful never give up Integrating Skills Why did he change his skin colo