学术英语(理工)详解答案-Unit-3.ppt
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1、,学术英语 理工,Academic English for Science and Engineering,Unit Contents,1 Preparing for listening to a lecture2 Paying attention to the introduction3 Understanding the ideas through examples4 Following a lecture through signal words5 Memorizing the points by taking notes,Unit 3 Listening to Lectures,1 P
2、reparing for listening to a lecture,Unit 3 Listening to Lectures,Unit 3 Listening to Lectures,1 Preparing for listening to a lecture,Tips before listening to a lecture:,Find out the topic of the lecture to be delivered.2)Research the topic by reading the related sources or the assigned readings.3)Fa
3、miliarize yourself with the subject and list out questions if possible.4)Sort out subject-specific words and terms the lecture may use.,Unit 3 Listening to Lectures,1 Preparing for listening to a lecture,Tips before listening to a lecture:,5)Check the meanings and pronunciations of the terms and wor
4、ds.6)Bring loose leaf paper or spiral bound notebooks.Or bring a laptop if you prefer to take notes on it and if the room is set up with ample power outlets and space.,Unit 3 Listening to Lectures,1 Preparing for listening to a lecture,1 What are the definitions of the following terms?1)CO2:2)ozone
5、layer:,is a greenhouse gas which plays a major role in global warming and anthropogenic climate change.It is also a major source of ocean acidification which dissolves in water forming carbonic acid.,is a layer in Earths atmosphere containing relatively high concentrations of ozone(O3).,Unit 3 Liste
6、ning to Lectures,1 Preparing for listening to a lecture,1 What are the definitions of the following terms?3)greenhouse:4)methane:,is a structure with different types of covering materials,such as a glass or plastic roof and frequently glass or plastic walls;it heats up because incoming visible solar
7、 radiation from the sun is absorbed by plants,soil,and other things inside the building.,is the simplest alkane,the main component of natural gas,and probably the most abundant organic compound on earth.The relative abundance of methane makes it an attractive fuel.,Unit 3 Listening to Lectures,1 Pre
8、paring for listening to a lecture,1 What are the definitions of the following terms?5)Kyoto Protocol:6)deforestation:,is a protocol to the United Nations Framework Convention on Climate Change(UNFCCC or FCCC),aimed at fighting global warming.,is the removal of a forest or stand of trees where the la
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