2017年卫生职称英语考试每日一练：补全短文（1月27日）
2017-01-27 16:58 来源：医学教育网
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补全短文
All of us have felt pain. We have cut ourselves. We have been burned. Or we have had headaches. Some of us suffer pain rarely. ________.
A.It tells us that we are injured and should do something about it.
B.The other message moves at a speed of only one meter a second.
C.And they send the second， slower message of pain to the brain.
D.And others have painful attacks all the time.
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