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男,25岁,背部刀伤,伤口流血2小时,查体:神志尚清楚,诉口渴,皮肤苍白,稍冷,脉搏110次/分,血压90/70mmHg,脉压小,表浅静脉塌陷,尿少 此患者休克达何种程度

A. 中度
B. 轻度
C. 重度
D. 晚期
E. 代偿期

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女性,50岁,腹部阵发性胀痛1天,呕吐为胃内容物,近3个月来有时腹胀,大便带黏液无脓血,查体,BP 127/90mmHg,P 86次/分,腹胀,未见肠型,右下腹触及一斜行肿块,质韧压痛,腹部透视见一个气液平面,白细胞11×109/L,血红蛋白87g/L 诊断首先考虑为

A. 阑尾周围脓肿
B. 卵巢囊肿
C. 结肠癌
D. 回盲部结核
E. 回盲部套叠

按照玻尔理论,核外电子因离核远近不同而具有不同的壳层,主量子数为n的壳层可容纳的电子数为:Nn=2n2,半径最小的壳层称K层(n=1),第二层称L层(n=2),第三层称M层。原子能级每个可能轨道上的电子都具有一定的能量(动能和势能的代数和),且电子在各个轨道上具有的能量是不连续的,这些不连续的能量值,表征原子的能量状态,称为原子能级。 若某元素核外共有3层电子轨道,则其核外电子数最大可能是

A. 8
B. 10
C. 17
D. 18
E. 32

1. give warmest wishes;2. some hope for her;3. expecting to meet her.You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Jack" instead. You do not need to write the address. ( 10 points)

The young man was a French (36) , the son of one of the richest and most important (37) of France. He had heard about the revolution taking place in America. He wanted to go and help. He was only eighteen years old. He was tall, handsome, and a familiar (38) in the high society of Paris. His family tried to stop him. They asked the King of France to throw him into jail in order to stop him, but the young nobleman had al ready (39) his own ship and (40) some young friends to go with him. He (41) and came to America. The young man was the Marquis de Lafayette. Upon his arrival, he (42) that no one knew him here. He had been (43) that he would be an officer in the American army, (44) . He could not go back to France. Instead, he offered to serve as a volunteer -- without pay. Congress accepted. Later Lafayette met Washington. (45) .Lafayette became Washington’s personal aide. Once toward the end of the war, (46) . Lafayette asked Congress for new uniforms. Congress had no money with which to buy uniforms. Using his own personal credit, Lafayette went to the merchants of Baltimore and, at his own expense, bought a new uniform for each man m two thousand in all. In this way, his men were able to go on fighting.

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