八年级英语人教版第一单元主要围绕日常健康话题展开，包含常见病症表达和应对建议。以下是核心句型及短语的整理：
一、常见病症表达
1. 胃痛：
- I have a stomachache. / What's the matter with you？
- You shouldn't eat so much next time.
2. 发烧：
- Do you have a fever？
- Yes, I do. / No, I don't.
3. 牙痛：
- Does he have a toothache？
- Yes, he does.
4. 头痛/喉咙痛：
- I have a headache. / I have a sore throat.
二、应对建议句型
1. 休息建议：
- You should lie down and rest.
2. 温度测量建议：
- Should I take my temperature？
- No, you shouldn’t. / Yes, you should.
三、其他常用表达
描述症状：
The pain is in my stomach. / The headache is really bad.
建议就医：
See a dentist. / Get an X-ray.
建议结合具体场景练习这些句型，注意疑问句需用助动词do/does，否定回答用doesn't，肯定回答用does。