文档文本内容
Unit 13 We’re trying to save the earth!
Section B（3a-Selfcheck）
Teaching Procedures Tips
Step 1 Warm up
3a
Ask Ss to complete the chart in 3a. After Ss have
completed their individual charts, T may want to ask to
show the notes they have made to a partner to get some
feedback and revise their notes if they find it necessary.
Answers will vary.
Step 2 Writing&Presentation
3b
Ask Ss to write a letter to the city mayor about the
environmental problems in their city. T may want to suggest
to Ss that it might be better to focus on one problem and
write about it in detail instead of writing about many
problems and not providing enough details.
T can show Ss some writing tips, good sentences and sample
writing before Ss start to write by themselves.
Self Check
Exercise 1
Let Ss look at the diagram in exercise 1 and write
different forms of words. At the end of exercise 1, T may
want to review prefixed by asking Ss to make a list of words
with the two prefixes they encountered in Section B, activity
2d.
Answers:
v. - n.
pollute - pollution act - action protect - protection
inspire - inspiration build - building create - creativity
Others: meet -meeting educate - education paint - painting
n. - adj.
fame - famous wood - wooden science - scientific health -
healthy
south - southern care - careful
Others: wool - woolen hair - hairy north - northern
adj. - n.
different - difference important - importance
Others: significant - significance relevant - relevancebrilliant - brilliance
adj. -adv.
slow - slowly wide - widely sudden -suddenly real - really
Others: sure - surely actual - actually quick -quickly
Exercise 2
Let Ss match each statement with the grammar
structure.
Answers:
Statement Grammar
The river used to be clean. used to
We have seen many changes in Present perfect
the environment.
People should take public Modal verbs
transportation more.
The river is polluted by Passive voice
factories.
The air pollution is getting Present progressive
worse and worse.
Exercise 3
Ask Ss to write down the ways to cut down the kinds
of pollution which are mentioned in the box.
Answers will vary.
Step 3 Homework
Homework
Preview Unit 14 Section A (1a-1c).
Do the exercises in students’ book.
This is the last period of the unit. Students will use what they have learned
in the unit. They will use them to write a letter about how to protect the
Teaching
environment. And they will do a lot of work to practice words and
Reflection
expressions. They review the word formation and learn these words. When
finishing a unit, we usually get the students to review the whole unit.
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