问题
单项选择题
由于Ig聚合体或Ig抗原抗体反应引起（）
A.非溶血性发热反应引起
B.超敏反应
C.溶血反应
D.输血后紫癜
E.感染
答案
参考答案：B
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由于Ig聚合体或Ig抗原抗体反应引起（）
A.非溶血性发热反应引起
B.超敏反应
C.溶血反应
D.输血后紫癜
E.感染
参考答案：B
Once upon a time the colors of the world started to quarrel. All announced that they were the best, the most important and the most useful, Green said, “_____ I am the most important, I’m the sign of life. Look around, and you will see that I am almost everywhere.” Blue interrupted, “You only think about the earth. But consider the sky and sea, they gives space and peace. Without my peace, you would all be______.” Yellow chuckled, “I bring laughter and warmth into the world. Every time you looked at a sunflower, the whole world starts to smile. Without me there would be no____. “ Orange started next to blow her trumpet, “Who is the ________ of health and strength? It’s me, think of carrots, pumpkins, and oranges. Although I don’t hang around all the time, I carry the most important vitamins.” Red could no longer______it and he shouted out, “I am the ruler of all of you. I am the color of danger and bravery. Without me, the earth would be as empty as the moon. “ Purple_____Up to his full height. He was very tall and said, “ I am the color of power. Kings, have always chosen me for I am the sign of authority and wisdom.” And indigo(靛青色) started to Speak…… The colors’ quarreling became louder and louder. Suddenly rain started to pour down. The colors were all_______, and crowded close to one another for comfort. Rain began to speak, “You foolish colors. Don’t you know that you were each made for a special purpose? Join hands with one another and come to me, “ Doing_______they were told, the colors united and joined hands. The rain continued, “From now on, when it rains, each of you will stretch(伸展)_ ___ the sky to form a great rainbow, the rainbow is a sign of hope for tomorrow. And so, whenever a heavy rain washes the world , a rainbow with ______ colors appears in the sky. Let us remember to appreciate one another.”
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