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新编英语教程4 unit6


Text I
Pre-reading Activity

Predators, Parasites and Other Relationships
1.Look up the following words in the dictionary. 2.What subjects do you think this text is about? 3.What type of writing is it? What do you anticipate?
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understood, we can think about more of these ecosystem services.
services. And ecosystem services are really just things that ecosystems provide
that humans care about and that we like.
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Unit 6
Text I Predators, Parasites and Other Relationships
Text II Slaughter of the Elephant
❖ Text I ❖ Text II ❖ Oral Work ❖ Guided Writing ❖ Listening
expository piece of writing on ecology.
Text I
Listening Practice
This is Earth and Sky. When you look at a farm or a ranch, you might think to yourself, that’s wherec_o_r_n__ orda_i_r_y__ products come from.
Text I
Pre-reading Activity
Predators, Parasites and Other Relationships
1. Predator: a wild animal that lives on other animals
by killing and eating them
prey.
Text I
List of key words of each paragraph
Now, please underline the key words or phrases.
not be bought and sold in a marketplace. a survey of Michigan citizens to ask what
But they have they'd pay for
ecosystem services such as reduced erosion or runoff or more greenhouse gas
Text 1: Predators, Parasites and Other Relationships
❖ Pre-reading Activity ❖ Structure ❖ Vocabulary Acquisition ❖ Intensive Reading ❖ Answer the Questions Orally
Parasite: a plant or animal that lives on or in
another and gets food from it
Ecosystem: a system which relates all the plants,
animals and people in an area to their surroundings 2. The title of the text strongly suggests that it is an
storage. Swinton
It’s also
part of wants
an to
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value on farming
ecosystem services. practices affect the
ecosystem services that a piece of land provides.
Text I
List of key words of each paragraph
Now, please underline the key words or phrases.
1. Predators include lions, wolves, robins, frogs, humans, etc. 2. Humans are the greatest predators known 3. Predators do not really have an easy time killing defenseless
You might see _c_o_tt_o_n_ that goes into clothing, or wood for paper, construction or
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