【正文】 s oceans is about thirtyfive parts per thousand, meaning that there are about thirtyfive grammes of dissolved solids and gases in one kilogramme of water. Paragraph 4 The density of pure water is 1,000 kg/m3, meaning that one cubic metre of water weighs one thousand kilogrammes. Paragraph 5 Heat capacity is the amount of energy it takes to raise the temperature of a substance by one degree centigrade. Paragraph 6 Since changes in salinity and temperature affect water\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。 Provide both recreation and education for human beings. Scanning Read the passage and answer the following questions. 1Why are estuaries such good places for nature‘s young ones? (1)． In estuaries, animals can enjoy all the benefits of the oceans without having to face many of its dangers. (2)Tides provide energy for the ecosystems, but estuaries are protected from waves and storms by islands, mud or sand. (3).Nutrients from both the land and the ocean arrive in estuaries. 2. What does density mean in this passage? It means the number of species per area. 3. How do you estuaries affect the water that passes through them? They absorb nutrients and pollutants from water ing inland sources, thus cleaning our water. 4. Why are estuaries more sensitive to pollution than other areas? Because estuaries act as filters(過濾器 ), many pollutants end up in them. 5. Why are estuaries important to human beings? (1)Estuaries provide both recreation and education for human beings. People can fish, swim and have fun on the beach. Scientists and students have endless opportunities to study a variety of life in the habitat. (2)Estuaries also contribute to the economy through tourism Finding Topic Sentences Paragraph 1. As the oceans are the source of life on earth, the estuaries are our pla\39。 the spirit of Zhonguancun Read the text carefully again and then do the word study of page5. Postreading Use the Inter to find out more about Silicon Valley in the US and then pare the two areas. In which ways are they similar or different? Unit 12 Lead in When were the inventions in the pictures made? Picture 1: It was invented in the early years of the 20th century. Picture 2: Thomas Edison invented the light bulb in 1879 Picture 3: In 1769 James Watt built a steampowered boat. Jules Verne Born in: 1828 Died in: 1905 Nationality: French Interested in: theatre Studied : botany, applied science Famous novels: 20,000 Leagues under the Sea, Journey to the Center of the Earth, the Children of Captain Grant, the Mysterious Island, 80 Days around the World . Fast Reading: Find the main idea for the following paragraphs The life of Jules Verne The film ―20,000 Leagues Under the Sea The film ―Journey to the Center of the Earth True or False 1. Verne had to sell newspaper to make a living when he was in Paris. 2. Verne died at 77, with his dreams realized. 3. The furniture on the Nautilu is precious and the food aboard is all sea food. T 4. Captain Nemo is a very cruel man and no one likes him. 5. The story Journey to the Center of the Earth is a science fiction. T Tick out the right answers 1. What did they see in the centre of the earth? ( ) A. layers of coal and marble ( ) B. boiling water from underground river ( ) C. a huge lake or underground ocean ( ) D. forests of mushrooms and plants ( ) E. ancient sea creatures ( ) F. an ancient document in an old book ( ) G. some modern ships 2. What is mentioned in the novel 20,000 Leagues Under the Sea? ( ) A. Ships are disappearing is caused by a real monster. ( ) B. Captain Nemo decides to kill the three men. ( ) C. Electricity is used for heating and power. ( ) D. They walk around under the sea without clothes. 20,000 Leagues under the Sea 1. How were they on board the submarine? disappearset outfindbe thrown overboardsurviveturn outon boardpermanent guests is mentioned about the submarine? Extraordinaryprecious furniturehuge glass windowsthick iron platesall that is The food aboard?neededelectricity 3. What did they do under the sea? dressed inwalk aroundlighted bysurrounded by… (r,f,s,p)waving and moving slowly Journey to the Center Of the Earth did they begin the journey? decided to a narrow passagea chimney in an extinct volcano did they do in the center of the earth? pass through layers of coal and marbledrink water from a boiling underground riverreach a huge lake or underground oceango ?through forests of mushrooms and plants 3. What happened to them in the end? build a raft to cross the seaare attacked by ancient sea creaturesbe drawn into a fast steamshot out of a volcano Further understanding Describe the character of Captain Nemo? greedy 貪婪的 sympathetic? clever? brave? selfish? warmhearted? cruel? greedy? ??? Captain Nemo is the kind of person of whom it is difficult to say whether you like him or not. You may think he is hard and cruel, but he also has a soft and gentle side. What do the two men do in the adventure of going to the centre of the earth? Pick out the main verbs in the d