学术英语(理工)详解答案Unit 3PPT课件

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.
terms
and words.
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.
4) Sort out subject-specific words and terms the lecture may use.
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Unit 3
Listening to
LectuTreisps before
l1istePnrinegptao railnecgtufroe:r
listening
5) Check the mteoaninagslaendcptrounruneciations of the
3) greenhouse:
is a structure with different types of covering materials, such as a glass or plastic roof and frequently glass or 4p)lamsetitchwanaell:s; it heats up because incoming visible solar radiation from the sun is absorbed by plants, soil, and other things inside the building.
is a layer in Earth’s atmosphere containing relatively high concentrations of ozone (O3).
8
Unit 3
Listening to Lectures
1 Preparing for listening
1 What are thetdoefinaitionles ocf tthue froellowing terms?
is the removal of a forest or stand of trees where the land is thereafter converted to a nonforest use.
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Unit 3
Listening to Lectures
1 Preparing for listening
4
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
5
Unit 3
Listening to
LectuTreisps before
l1istePnrinegptao railnecgtufroe:r
listening
1 Preparing for listening to a lecture 2 Paying attention to the introduction 3 Understanding the ideas through examples 4 Following a lecture through signal words 5 Memorizing the points by taking notes
1) Find out the ttoopicaof tlhee clecttuurerteo be delivered.
2) Research the topic by reading the related sources or the assigned readings.
3) Familiarize yourself with the subject and list out questions if possible.
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Unit 3
Listening to Lectures
1 Preparing for listening
1 What are thetdoefinaitionles ocf tthue froellowing terms?
5) Kyoto Protocol:
6iCs)oadnevpferoonrtetoioscntoaltoitononCt:hleimUanteiteCdhNanagtieon(sUNFrFaCmCeCwoorrkFCCC), aimed at fighting global warming.
7
Unit 3
Listening to Lectures
1 Preparing for listening
1 What are thetdoefinaitionles ocf tthue froellowing terms?
1) CO2:
is a greenhouse gas which plays a major role in global warming and anthropogenic climate change. It 2is) oazlsoonea lmayaejor:r source of ocean acidification which dissolves in water forming carbonic acid.
学术英语 理工
Academic English for Science and Engineering
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Unit 3 Listening to Lectures
Unit Contents