The list of the volunteers will be ________ tomorrow. Students can find it on the notice board.

A.thrown away B.put up C.read out D.cut off

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The Blood Group Alphabet

Sometimes people lose too much blood from injuries or accidents. To save their lives, doctors must replace the lost blood. In an operation called a transfusion, doctors put blood given by healthy people into the veins（靜脈）of the sick or injured person. But they must be careful. Although all blood looks the same, there are really different types of blood. Someone getting the wrong type of blood in a transfusion may become very sick or even die.

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__________________________________________________________________________

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__________________________________________________________________________

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__________________________________________________________________________

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__________________________________________________________________________

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__________________________________________________________________________

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2、同學(xué)間缺乏溝通和交流；

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Best wishes.

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