Page 2 ,1a .1.Look at the picture :How will the world be different in the future ,100 years from now ?We’re going to talk about sth in 100 years .2.Read each predictions to the class .Explain the new vocabulary .3.Read the instructions .Make sure Ss know what they should do .4.Do it by themselves .5.Talk about the answers with the class .Explain :一般將來時態(tài)構(gòu)成: will / be going to +動詞原形Step 3 While-taskSB Page 2 ,1b .1.Practise reading the six predictions .2.Read the instructions to Ss .Circle the things you hear on the recording .3.Play the tape twice .4.Play the tape a third time .At the same time ,check the answers .SB Page 2 , 1c .1.Pay attention to the dialogues .2.Read the dialogues fluently .3.Pairwork .Work in pairs to make predictions according to the sample .4.Ask several pairs to share their conversations to the class .SB Page 3 , 2a & 2b .1.Read the predictions .2.Read the instructions and point out the sample answer .3.Play the tape twice .Ss circle the word they hear in each sentences: more , less , fewer .4.Check the answers .學(xué)生探究: less , fewer 的區(qū)別。Step 4 Post-task1.Point to the example in the sample dialogue .Practice reading .2.Look at activity 2b .Groupwork:Take turns to make conversations about the predictions .Grammar Focus: 1.Review the grammar box .Ss say the statements and responses .2.Make summaries about “will” ,“fewer” and “l(fā)ess” .