It is necessary for us to do first aid when we 1 someone inj

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It is necessary for us to do first aid when we 1 someone injured in an accident.When we do first aid,we must pay attention to 2 important things.First we must take sure whether the person is still breathing.Open his mouth to see if there is any 3 at the back of his mouth.Then try our best to 4 the person’s breathing within five minutes,or he will die.Try to repeat the mouth-to-mouth ways as often as is necessary.Finally if we see a person bleeding badly we must press a handkerchief onto the bleeding point and hold it to stop the bleeding.For if a person 5 one-third of his blood he may die.
So every one of us should manage to know something about first aid and we could save other 6 lives.
( ) 1.A.see B.look at C.watch D.looked
( ) 2.A.one B.two C.three D.four
( ) 3.A.water B.wound C.food D.things
( ) 4.A.stop B.start C.make D.get
( ) 5.fails B.loses C.gets D.misses
( ) 6.A.people B.peoples’ C.peoples D.people’s

a c c b b d
第三个选c我觉得主要考虑的是看他的呼吸道是不是通畅才能开始做人工呼吸,所以要检查一下嘴里是不是有食物.

It is necessary for to do first aid when we _____ someone in 英语翻译it is necessary for us to do first aid when we ___1____ We should learn about first aid,That's necessary for us合并为一句 what shoulde you do when you are doing first aid for someone 一道英语选择it is necessary for us to do —for the wildl 2.It is important for us()something about first aid.A.know B It is necessary for us to have___good vocabulary of english. It is necessary for us not to eat fast Is it necessary for sb to do sth 同义句 It is necessary for us to master a foreign language.请问for us It is important for us to learn science when we're young We we find it is easier for us to take action when wearing red