人教版高二英语Reading 1.pptVIP

Unit 13 The water planet READING: THE PROPERTIES OF WATER * PRE-READING Activity 1. Structure of the passage A: 1 minute to skim the passage, focusing on the titles (title and subtitles)in the text and then fill in the chart below. You donot need to read the whole text. THE PROPERTIES OF WATER CHEMICAL STRUCTURE SALINITY DENSITY HEAT CAPACITY OCEAN MOTION B: Use the topic of each paragraph and the structure above to make six questions. Work in groups and fill in the questions. Write down your answers and anything else you know about the topic. What is / are_________? What can_________ be compared to? What does ________ look like? How does________work? What are different parts of_________? What are some examples of________? Activity 2. Word Study A: Look at the titles of the reading. Which of the following words do you think will be in the reading passage when we talk about this topic. range sensitive decrease absorb freezing float stable dissolve range: to vary within specified limits freezing: dissolve: to reduce (solid matter) to liquid form; melt float: to cause to remain suspended without sinking or falling decrease: to grow or cause to grow gradually less or smaller, as in number, amount absorb: to take something in stable: resistant to change of position or condition sensitive: responsive to external conditions or stimulation B: Look at the words below and put them into the correct column. You may refer to the “Vocabulary” part in the book. Chemical Physical molecule atom oxygen hydrogen solid (kilo)gramme density mass volume cubic capacity substance centigrade dense gallon motion C: Word study P20 1. The letters of the following words have been mixed up. Put the letters in the correct order.