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【課前自主預習】
A． 寫出下列單詞的名詞形式。
1． invention
2． education
3． congratulation
4． protection
B． 寫出下列單詞的形容詞形式。
1． careful
2． useful
3． helpful
4． forgetful
C． 寫出下列單詞的副詞形式。
1． noisily
2． easily
3． clearly
4． luckily
【課堂合作探究】
One possible version :
It's our duty to protect the earth． I always turn off the lights when I leave a room． While I am washing my hair, I usually turn off the shower． Besides, I stop using paper napkins and if I want to shop, I always take my own bags instead of using plastic, bags． I have decided to do more things to protect our earth, such as stopping riding in cars and riding a bike, and recycling books and paper． I think my actions can make a difference !
◇達標檢測
I．1． sharks 2．harmful 3．recycling 4．wooden 5．costs
Ⅱ．從方框中選短語并用其正確形式填空。
1． turn; into
2．throw; into
3．makes a difference
4． play a part in
5．used to
Ⅲ．1-5 BACBC
【課后鞏固提升】
I．用所給詞的正確形式填空。
1． have been given
2．turning
3．pollution
4． differences
5．suddenly
Ⅱ．從方框中選短語并用其正確形式填空。
1． turn off
2．brought  | 