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患者，女性，左上肢烫伤。除常规治疗外，还需为患者注射破伤风抗毒素(TAT)。 TAT皮试液的配制浓度是
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患儿10个月，发热2天伴声音嘶哑，犬吠样咳嗽，吸气性喉呜及吸气性呼吸困难，烦躁不安、口周发绀。 患儿最可能是患有
设曲线y=1-x2（0＜x＜1）与z轴和Y轴所围面积被y=ax2（x＞0）分成面积相等的两部分，则a的数值为（）。
∫xe-xdx=（）。
C Miggi grows the best vegetables in the village. He grows fruits too-big, sweet apples and oranges. And what else Well, the biggest and the prettiest flowers. Things grow in Miggi’s garden all through the year. He cuts some flowers for his sitting room table; and of course, he eats some fruits and vegetables. But he sells everything else in the market, Miggi is not a poor man. He knows a few other gardeners; but he does not have any friends. You might ask, "What is that Why doesn’t he have friend" I will tell you. People do not understand him. And they do not understand his garden. "Why not" you will ask. "It’s a very good garden, isn’t it" It is a wonderful garden. Miggi plants things in spring, summer, autumn and winter. After that he does very little work. He sits in the garden with his small radio. And eve rything grows. People ask, "How does Miggi grow these wonderful things He waters the plants some- times, but he doesn’t do anything else. He just sits under an orange tree with his radio. He listens to music nearly all day!" and that is all quite true. People cannot understand it, and so they don’t like it very much. Miggi likes music. But what about the garden Who does the work I will tell you an- other true thing: the music does the work. All plants love music; and Miggi knows that. Do you want big vegetables and the loveliest flowers Well, just give your plants a lot of music. People don’t like Miggi because（）
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