单选题

When will a person meet with a life-threatening situation?

A When the cough reflex in his larynx does not work.

B When his respiratory system is interrupted.

C When there is a protrusion in the cartilage visible on his neck.

D When he swallows airborne particles.

查看答案

正确答案：A （备注：此答案有误）

相似试题

单选题

When will a person meet with a life-threatening situation?

答案解析
单选题

-Then when will the promotion be?-____

答案解析
问答题

person

答案解析
单选题

WHEN RELEASED OUT， THE GEN 1 LINE PUSHBUTTON WILL:

答案解析
单选题

Do you need friends? I‘m sure your answer is “of course. Everybody does!” You need friends when you play and when you work. If you have friends, you will feel happy. If you have no friends, you will feel lonely. Do you know how to make friends? There is only one good way — You make friends by being friendly. A friendly person is interested in other people. He is always helpful. If you want to make friends with a new classmate, you can talk with him, tell him about the other classmates in your cl

答案解析