【课前自主预习】 A． 写出下列单词的名词形式。 1． invention 2． education 3． congratulation 4． protection B． 写出下列单词的形容词形式。 1． careful 2． useful 3． helpful 4． forgetful C． 写出下列单词的副词形式。 1． noisily 2． easily 3． clearly 4． luckily 【课堂合作探究】 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 ! ◇达标检测 I．1． sharks 2．harmful 3．recycling 4．wooden 5．costs Ⅱ．从方框中选短语并用其正确形式填空。 1． turn; into 2．throw; into 3．makes a difference 4． play a part in 5．used to Ⅲ．1-5 BACBC 【课后巩固提升】 I．用所给词的正确形式填空。 1． have been given 2．turning 3．pollution 4． differences 5．suddenly Ⅱ．从方框中选短语并用其正确形式填空。 1． turn off 2．brought

【课前自主预习】 A． 写出下列单词的名词形式。 1． invention 2． education 3． congratulation 4． protection B． 写出下列单词的形容词形式。 1． careful 2． useful 3． helpful 4． forgetful C． 写出下列单词的副词形式。 1． noisily 2． easily 3． clearly 4． luckily 【课堂合作探究】 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 ! ◇达标检测 I．1． sharks 2．harmful 3．recycling 4．wooden 5．costs Ⅱ．从方框中选短语并用其正确形式填空。 1． turn; into 2．throw; into 3．makes a difference 4． play a part in 5．used to Ⅲ．1-5 BACBC 【课后巩固提升】 I．用所给词的正确形式填空。 1． have been given 2．turning 3．pollution 4． differences 5．suddenly Ⅱ．从方框中选短语并用其正确形式填空。 1． turn off 2．brought