Peter suggests: 'Let's make some mashed potatoes for lunch.' Teng Fei agrees: 'Great idea! How do we make them?' Peter gives instructions step by step: 'First, get some potatoes and wash them. ... Next, put the potatoes in the pot and boil them until they are soft. ... Then, we need some milk and butter. ... Now, let's start mashing the potatoes. ... Now, add the milk and butter to the potatoes, and mix. ... Finally, add salt and pepper ... OK. We're done! Let's try them!'
First, get some potatoes and wash them. 祈使句以动词原形开头，用于给出指令。步骤词：first → next → then → finally。
How many / How much
How many do we need? How many + 可数名词复数。How much do we need? How much + 不可数名词。potatoes 可数 → How many；milk/butter 不可数 → How much。
What/How 感叹句
How delicious they taste! How + adj/adv + 主语 + 谓语！这是本单元核心语法。对比：What a great idea!
要点摘要
Peter教Teng Fei做土豆泥：洗→切→煮→捣→加料→搅拌→调味
Section A 2a-2c
Stir-fried Eggs and Tomatoes
西红柿炒鸡蛋
Peter asks Teng Fei to teach him a popular Chinese dish. Teng Fei suggests stir-fried eggs and tomatoes. They need eggs, tomatoes, salt, and sugar — four tomatoes and three eggs. Teng Fei instructs: 'First, cut the tomatoes into small pieces. Next, mix the eggs in a bowl. ... Then, heat some oil in a pan and add the eggs to it. Stir-fry for one minute. Then take the eggs out of the pan.'
How many tomatoes and eggs do we need? How many + 可数名词复数。回答：Four tomatoes and three eggs。
感叹句 What an amazing smell!
What an amazing smell! What + a/an + adj + 单数名词（+ 主语 + 谓语）！完整形式：What an amazing smell (it is)!
Peter continues: 'Next, cook the tomatoes in the pan until they're soft. Then, add some salt and sugar.' Peter exclaims: 'What an amazing smell! What's next?' Teng Fei says: 'Finally, put the eggs back into the pan and mix them with the tomatoes.' Peter responds: 'Wow, it looks so good! How simple!'
How simple! How + adj（+ 主语 + 谓语）！完整：How simple (it is)! 对比：What a simple dish!
until 从句
cook the tomatoes until they're soft until = 直到……为止。主句动词为延续性（cook），从句表示动作持续的终点。
文化拓展
西红柿炒鸡蛋（Stir-fried Eggs and Tomatoes）是中国最经典的家常菜之一，简单易学，营养丰富。
要点摘要
Peter学做西红柿炒鸡蛋：切西红柿→打蛋→炒蛋盛出→炒番茄→加调料→混合
感叹句贯穿全程：What an amazing smell! How simple!
Section B 1b
Food for Thought
饮食哲思
'Cooking is love made visible.' That is what my grandmother always told me. Thanks to her, I love cooking. It's a great way for me to share my love with others. Every time I sit at the table, after cooking for my family, we create memories. The smells and the food's taste, along with our conversations, connect us to each other. What wonderful memories I have!
What wonderful memories I have! What + adj + 复数名词 + 主语 + 谓语！注意不可数名词不用 a/an：What good weather!
Every time 引导时间状语从句
Every time I sit at the table Every time 可作连词，引导时间状语从句，= whenever。类似用法：each time, next time。
One of my favourite memories is my grandmother's pumpkin pie. She always made it in autumn, when the weather got colder. Her friendly kitchen was the perfect place to warm up and enjoy a taste of the changing seasons. I still remember the days when the smell of cinnamon filled the room with sweetness. Now, every time I smell cinnamon, I think of my grandmother's pumpkin pie.
the days when the smell of cinnamon filled the room when 引导定语从句修饰 the days。when = in which。
think of
I think of my grandmother's pumpkin pie. think of = 想起、想到。think about = 考虑、思考。
My grandmother told me about her first pumpkin pie. When she was a college student in the US, she stayed with a host family. One year around Thanksgiving, the hostess taught her how to make a pumpkin pie. Many years later, she taught me how to make it too. My grandmother loved learning how to make food from other cultures. 'It's my way of making friends from around the world,' she said.
Grandmother taught me the secret to cooking: Cook with love. Thanks to my grandmother, I love to try new food and new recipes from other countries and cultures. Pumpkin Pie Recipe: Ingredients — eggs, sugar, cinnamon, salt, pumpkin, cream, pie crust. Instructions: First, mix the eggs. Then, add the sugar, cinnamon, salt, pumpkin, and cream. Next, pour the mixture into the pie crust. After that, place the pie in the oven and cook for 40 to 50 minutes. Finally, let the pie cool for at least an hour before serving.