牛津英语4B Unit 4 Buying fruit(6)
S:….
Step 3. New structures learning
1. 重量单位和每重量单位单价的正确认读
1公斤/千克:one kilo (1 Kg) 3.5公斤/千克: three point five kilos
1磅:one pound (1 p)
5元/千克:five yuan a kilo (5元/Kg)
3.5元/磅:three yuan five jiao a pound (3.5元/p)
2.Can I help you? I’d like some….
How many kilos? …kilos, please.
T: Now, I’m a shop assistant. You can buy fruits from me. Can I help you?
S: I’d like apples.
T: How many kilos?
S: Two kilos, please.
T: OK, here you are.
S: Thank you. Goodbye!
T: Bye!
T-S
T: I also like to buy some fruits for my father and mother. Who’d like to be the shop assistant?
S: I try.
T: OK. You, please.
S1: Can I help you?
T: I’d like some strawberries for my mother.
S1: How many kilos?
T: One kilo, please. How much are they?( Take out the purse in order to help the student understand the meaning of this sentence.)
S1:Ten yuan.
T: Here you are. And I’d like some sugar canes for my father, too.
S1: How many kilos?
T: Three kilos, please. How much are they?
S1: Ten yuan.
T: No, eight yuan.
S1: OK.
T: Here you are.
S1: Thank you. Goodbye!
T: See you.
S-T S-S
Step 4. Practice
T: Now I’ll divide you into four groups. You can do some shopping in the classroom. The students of group one are the shop assistants in Lianhua supermarket. Group two are the shop assistants in Rt-market. Group three and four are the customers. OK, you can go now.
S: (Do the shopping.)
T: OK, the students of group one and group two also like to buy some fruits. So let’s exchange now. The students of group three are the shop assistants in Lianhua supermarket. Group four are the shop assistants in Rt-market. Group one and two are the customers.
