人教版（2024）八年级下册Unit 2 Stay Healthy Section B 2a–2e 分层训练 （含答案）

Unit 2 Stay Healthy Section B (2a~2e) 分层训练（2025春人教版） 【基础达标】 一、根据汉语提示填写单词 1. When someone is bleeding badly, you should ________ (覆盖) the wound with a clean cloth. 2. The teacher taught us how to give first ________ (援助) to people in an emergency. 3. He ________ (呼吸) with difficulty after running a m...