在学习英语的过程中，单元测试是检验我们对知识掌握情况的重要方式之一。今天我们就来一起完成一份仁爱版九年级英语上册Unit 1的单元测试题，并附上详细的答案解析。希望通过这次练习，大家可以更好地巩固所学知识。
一、单项选择题
1. The teacher asked us _______ the classroom every day.
A. clean
B. cleaning
C. to clean
D. cleaned
解析：此题考察的是ask sb. to do sth.结构，表示让某人做某事。正确答案为C。
2. My brother enjoys _______ basketball after school.
A. play
B. playing
C. plays
D. to play
解析：enjoy doing sth. 表示喜欢做某事，因此正确答案为B。
3. She is always ready _______ help others.
A. to
B. for
C. with
D. in
解析：be ready to do sth. 表示准备好去做某事，正确答案为A。
4. We should be friendly _______ our classmates.
A. at
B. with
C. for
D. to
解析：be friendly to sb. 表示对某人友好，正确答案为D。
5. —What’s wrong?
—My bike is broken. I don’t know how _______ it.
A. repair
B. repairing
C. to repair
D. repaired
解析：how to do sth. 表示如何做某事，正确答案为C。
二、完形填空
阅读下面短文，从每小题所给的A、B、C三个选项中选出最佳选项。
My name is Li Hua. I am a student of Grade Nine. Every morning, I get up early and go to school on time. I have many friends at school. We often study together and help each other. Last week, my friend Wang Lin was ill. I helped him _______ his homework. He thanked me very much. I felt happy because helping others makes me feel good.
6. A. with
B. about
C. for
解析：help sb. with sth. 表示帮助某人做某事，正确答案为A。
7. A. sad
B. angry
C. happy
解析：根据上下文，帮助别人让我感到开心，正确答案为C。
三、阅读理解
阅读下面短文，然后回答问题。
Tom is an American boy. He studies in China now. He likes Chinese food very much. His favorite food is dumplings. He also likes noodles and rice. Tom says that Chinese people are very friendly. They often invite him to their homes for dinner.
8. What does Tom like best?
解析：根据短文内容，Tom最喜欢的食物是饺子，正确答案为dumplings。
9. Are Chinese people friendly?
解析：根据短文内容，中国人都很友好，正确答案为Yes.
以上就是仁爱版九年级英语上册Unit 1的单元测试题及答案。希望大家通过这次练习能够更加熟悉和掌握相关知识点。如果还有任何疑问，欢迎随时提问！
