[00:00.00]Unit 9
　　[00:12.93]The biggest and the smallest
　　[00:18.34]Part 1.Read and guess.
　　[00:23.93]Bill,which is the biggest animal?
　　[00:28.81]The biggest animal is the blue whale.
　　[00:34.12]Part 3.Ask and answer.
　　[00:39.92]1.Which sweater is smaller?
　　[00:45.82]Which sweater is the smallest?
　　[00:50.42]2.Which animal is bigger?Which animal is the biggest?
　　[00:59.22]3.Who is older?Who is the oldest of the three?
　　[01:06.93]4.Which animal is quicker?Which animal is the quickest of the three?
　　[01:16.33]Part 4.Let's chant
　　[01:20.93]I am tall.She is taller.He is the tallest of the three.She is young.He is yonger.I am the youngest of the three.
　　[01:43.34]He is quick.she is quicker. Sam is the quickest of the three.I am old.He's older.She is the oldest of the three.
　　[02:03.85]Part 5.Role play.
　　[02:09.75]Look,this house is very small.
　　[02:13.85]Yes,you are right.You see the house over there.That one is smaller than this one.
　　[02:21.95]But my house is the smallest in our village.I don't think so.
　　[02:27.96]I think my house is the smallest in the village.Maybe you are right.
　　[02:36.55]Part 6.Pass it and say it.
　　[02:43.06]The blackboard is small.The table is smaller.The desk is the smallest.
　　[02:52.96]Part 8.Read the following words
　　[02:58.57]cl class classroom clean climb clock close clothes cloud cloudy clown
　　[03:15.97]Exercises
　　[03:19.16]Part 1.Listen,point and repeat.
　　[03:25.64]big-bigger-the biggest     old-older-the oldest     tall-taller-the tallest
　　[03:38.83]strong-stronger-the strongest     quick-quicker-the quickest      fat-fatter-the fattest
　　[03:53.12]small-smaller-the smallest     young-younger-the youngest     short-shorter-the shortest
　　[04:09.50]weak-weaker-the weakest     slow-slower-the slowest     thin-thinner-the thinnest
　　[04:25.80]Part 4.Ask and answer in pairs.
　　[04:32.48]1.Who is the tallest in your class?
　　[04:38.39]2.Who is the shortest in your class?
　　[04:44.19]3.Who is the oldest in your class?
　　[04:49.10]4.Who is the youngest in your class?
　　[04:54.69]5.Who is the strongest in your class?
　　[04:59.89]6.Who is the thinnest in your class?