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We should help save the sharks.
2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
3. 情感目标: 有环境危机意识，学会关注环境保护环境。
二、教学重难点：
1. 教学重点:（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。 （2）保护环境的措施方法。
2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
三、教学步骤:
I. Revision
Talk about what we can do to cut down pollution.
II. Leading in
(1) Tell students we should do these things to protect the environment.
Turn off the lights when you leave a room; Stop riding in cars;
Stopping using paper towels or napkins; Recycle books and paper.
Turn off the shower while you are washing your hair. Don’t use paper napkins.
You can help reduce pollution by putting that soda can in a different bin.
(2)What can we do to help save the earth? Rank these items from the easiest (1) to the most difficult(5). (1a)
______stop riding in cars ______recycle books and paper
______turn off the lights when you leave a room _____don’t use paper napkins
______turn off the shower while you are washing your hair
(3) Compare your answers in 1a with your partner.
III. Listening 1c&1d
Listen and check (√ ) the things that Julia and Jack talk about.
Check the things that Julia is doing now, the things she will do in the future and the things she would never do.
Check the answers with the whole class.
Listen again and answer the questions below.
①Who read a book?
②Would Julia turn off the shower when she is washing the hair?
③Does Jack live close to school?
Get one student to write the answers on the blackboard.
IV. Practice