学习目标：
New words：shake，blender，cut，peel， pour，yogurt，ingredient，watermelon，teaspoon，amount，instruction
Key phrases：turn on，cut up，pour… into
Key sentences: How do you make a banana milk shake? How many bananas do we need?
How much yogurt do we need?
学习重难点：学会制作奶昔、沙拉并描述其过程。
前置学习:
1.How long does it __________ to get to school? 2. I can’t come. I __________ a really busy day.
3. __________ some more salt on the popcorn, please. 4. How many __________(tomato) do you need?
5. Da Ming usually has a bowl of __________(noodle) for breakfast.
6. He’s __________ the milk __________ the blender now.(把…倒进).
