在学习英语的过程中，掌握好课文原文和常用词组是非常重要的一步。这里我们将一起回顾一些七年级下学期的英语课文内容以及相关的词组，帮助大家更好地理解和记忆。

课文原文节选

Lesson 1: My Family

Hi, my name is Tom. I am twelve years old and I study at No. 1 Middle School. I have a big family. There are five people in my family: my parents, my sister, my brother, and me.

My father is a doctor. He works in a hospital near our home. My mother is a teacher. She teaches English in my school. My sister is ten years old. She likes playing the piano and drawing pictures. My brother is eight years old. He enjoys playing football with his friends.

I love my family very much. We often go to the park on weekends and spend time together.

Lesson 2: At the Store

A: Excuse me, where is the bread?

B: It's over there, near the milk.

A: Thank you! How much is it?

B: It's two dollars for one loaf.

A: Do you have any apples?

B: Yes, they are here. They are fresh today.

A: Great! I'll take three kilograms.

B: Here you are. That will be six dollars.

A: Thank you.

常用词组

1. have a big family: 有一个大家庭

2. study at: 在...学习

3. work in: 在...工作

4. teach English: 教英语

5. play the piano: 弹钢琴

6. go to the park: 去公园

7. spend time together: 一起度过时光

8. at the store: 在商店里

9. excuse me: 打扰一下

10. how much: 多少钱

11. fresh today: 今天新鲜的

12. take...kilograms: 拿...千克

通过反复阅读这些课文和词组，大家可以逐渐提高自己的英语听力和口语能力。同时，尝试用这些句子和词组进行简单的对话练习，也是巩固知识的好方法。希望同学们能够在学习中找到乐趣，并不断进步！