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患儿女，2个月，拒食，吐奶，嗜睡3天，面色青灰，前囟张力较高，脐部少许脓性分泌物。

该患儿最关键的检查应为（）

A.脐分泌物培养

B.血培养

C.血常规

D.脑脊液检查

E.血气分析

答案

参考答案：D

完形填空

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COME AND EAT HERE

Wang peng felt very 小题1: （frustrate）when he saw none of his patrons(常客) would eat in his restaurant. In his opinion, nothing could be better than his fried rice, mutton kebabs, fatty pork or his   小题2: (sugar) cola. Who won his customers? He followed one of his best friends 小题3: Yong Hui’s newly   小题4:(open) slimming restaurant and was 小题5: (amaze) at the menu there: raw vegetables, fruit and water. It was obvious that Yong Hui was telling lies when promising to make the customers thinner. In order to win his customers back, he went to the library  小题6: (do) some research, 小题7: showed Yong Hui’s menu didn’t give the customers energy-giving food. Having found out the weakness of Yong Hui’s menu, Wang Peng 小题8:(write)his own sign, 小题9: (say) energy-giving food served. In fact, there was weakness in his menu, too. Food at his restaurant contains too much fat. So the only solution is to combine the two menus together to be a    小题10:  (balance) menu.
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填空题

在铝和氧气反应生成三氧化二铝的反应中，铝、氧气、三氧化二铝质量比为______．
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