人教版（2019）选择性必修 第二册Unit 5 First Aid单元基础复习练习（重难点词句语法基础 提升练）（含答案）.docx
选择性必修二 Unit 5 First Aid 单元基础复习练习
根据中文或首字母提示写出下列单词。
Knowing basic first-aid t______________ will help you respond quickly to emergencies.
The boy is badly injured and we have to give first aid and call for an a__________________.
We were astonished to see that _____________(酸) can often burn holes in...