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Ss… 6 Summarizing and assigning homework (5 mins) Class activity Step 1: Lead the Ss to summarize the key points one by one in class. Step 2: Assign 3b as the HMK. Go over what they have learned one by one. Then try to make a summary to the whole class. Write a passage about solutions to population problem according to what they have discussed in their group in 3a. Ⅶ . Blackboard design The population in developing countries is growing faster. Section C New words: social/society, natrual/nature, bad/worse/worst, government, … Phrases: one fifth of, because of/thanks to, take measures to do sth., work well in (doing) sth. … 。 Ss: The population of China is the largest in the world. It is about… S3: less job opportunities S4… Ss: The population of China is the largest in the world. It is about… 5 Postreading (15 mins) Class activity Individual work Step 1: Get the Ss to underline the key points. Then ask questions about the passage and deal with difficult language points. T: Now, go through the passage sentence by sentence, and underline some difficult points you can not understand. If you have any questions, please raise up your hand and ask. S1: What’s the difference between “population” and “people”? T: Who can help him? S2: “People” means … ( The Ss can explain in Chinese, and others can show more explanations) Read the passage carefully, discuss and ask questions about the points they do not understand. Students should take notes when the teacher is giving explanations. S1: What’s the differe