lesson 12teaching aims and demands : to demand ss to hear and speak and read these words correctly : review the words about food and vegetablesto demand ss to hear and speak the sentences correctly :can i help you ? what do we need ?.here’s the change.teaching materials : tape recorder ; some cardsteaching steps : step 1 greetingst: good morning, boys and girls. glad to meet you.step 2 presentationplay a guessing game (1)t: what am i going to buy? what do i want? just guess and say: "you want ..."(2)t= the teacher c= the computer ss= the studentsc: can i help you?(learn to say: "can i help you?")t: i want a sweater, sir. c: how about this one? ss: it's too small.c: how about this one? t: the size is ok, sir. but i don't like this color.c: what's your favorite color?t: (take out a purple sweater)i like this purple sweater. how much is it?c: it’s ...yuan (2) play a game: guess the price of the sweater.ss: how much is it?s1 : ...yuan .(if the price s1 guess is too low, the teacher will say: "up, up, up."; if too high, the teacher will say:'' down, down, down." each students has three chances to guess.)after the students guess the price right, the teacher puts on the purple sweater and asks the students "am i cool?"step 3 practice(1)listen to the dialogue.t: what have you heard in the dialogue?(2)listen to the dialogue and repeat it sentence by sentence.(3)practice in groups of three.step 4 consolidation(1)divide all the students into 4 groups: toy shop, clothes shop, fruit shop and food shop. put some goods in eachshop. get the students to do the shopping in groups. (2)ask the students to go to different shops and buy different things. step 5 homework listen to the tape & repeat for some times .finish off the activity book of lesson 12.
