Ⅰ.阅读理解(共10小题；每小题2.5分，满分25分)
阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
A
You may need to give first aid.First aid is defined as the emergency care given to a sick or injured person.The goals of first aid are to prevent death and to prevent injuries from becoming worse.
Each emergency condition is different.However, the following rules apply to any kind of emergency.
