单元一：Hello, My Name Is…（你好，我叫…）
答案解析
本单元主要介绍了基本的自我介绍和询问对方名字的用语。以下是各部分答案解析：
Part 1：对话练习
A: Hello, my name is Tom. What’s your name? B: Hello, my name is Alice. Nice to meet you.
A: Hello, my name is Lucy. How are you? B: I’m fine, thank you. And you?
A: Hello, my name is Bob. Do you have a pen? B: Yes, I have one. Here you are.
Part 2：词汇练习
- 名词：Tom, Alice, Lucy, Bob, pen
- 代词：I, you, we, they, my, your, our, their
- 动词：be, have, meet, do, have, thank
Part 3：语法练习
- 一般现在时：主语 + be动词（am/is/are）+ 表语
- 询问名字：What’s your name?
练习
用一般现在时描述你的家人：
- My mother is a teacher. She teaches English.
- My father is a doctor. He works in a hospital.
- My brother is a student. He studies at a university.
用正确的代词填空：
- My friends are from ______ country.
- ______ is your favorite color?
- ______ are going to the movies tonight.
单元二：What Are You Doing?（你在做什么？）
答案解析
本单元主要介绍了询问和描述正在进行的活动的用语。以下是各部分答案解析：
Part 1：对话练习
A: What are you doing? B: I’m reading a book.
A: What’s he doing? B: He is playing the guitar.
A: What are they doing? B: They are watching a movie.
Part 2：词汇练习
- 动词：reading, playing, watching, eating, sleeping, studying
Part 3：语法练习
- 现在进行时：主语 + be动词（am/is/are）+ 现在分词（动词+ing）
练习
用现在进行时描述你的朋友：
- My friend is _______.
- My sister is _______.
- My brother is _______.
用正确的动词填空：
- What are _______ doing now?
- _______ in the kitchen?
- _______ on the phone?
单元三：Where Are You From?（你来自哪里？）
答案解析
本单元主要介绍了询问和回答来自哪个国家或城市的用语。以下是各部分答案解析：
Part 1：对话练习
A: Where are you from? B: I’m from China.
A: Where are you from? B: I’m from the United States.
A: Where are you from? B: I’m from Japan.
Part 2：词汇练习
- 名词：China, United States, Japan, France, Germany, Italy
Part 3：语法练习
- 一般现在时：主语 + be动词（am/is/are）+ 表语
练习
用一般现在时描述你的家乡：
- My hometown is _______.
- My country is _______.
- My city is _______.
用正确的国家或城市填空：
- _______ is the capital of China?
- _______ is famous for its pizza.
- _______ is known for its beauty.