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患者男性，35岁，因外伤导致尿失禁，现遵医嘱为该患者进行留置导尿。 为防止泌尿系逆行感染，留置尿管应
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在一个函数的定义或声明前加上关键字______时，该函数就声明为内联函数。
In 1848 a settler in distant, undeveloped California discovered gold near Sacramento. As the news spread, a great tide of gold-hungry men flowed into California. They came from all parts of the United States in tens of thousands. There were even gold-seekers from Europe. Some of the people move across the country by cart, traveling almost half a year and meeting many hardships and dangers. Other sailed all the way around South Africa, finally reached the California shore. Since the first discovery was of tiny pieces of gold at the bottom of a stream, many of them searched the waters of rivers for the precious bits of yellow metal. Others made channels to draw off flowing water in order to examine it carefully for bits of gold. They worked with almost full determination and fierce competition(竞争). Life was hard and rough in the days of the California gold rush. A few of the adventurers became rich, but most of them were bitterly disappointed. After having removed from their homes and after traveling the long, dangerous road to California, they had found little or nothing. Some returned home. But many remained in California to work and to settle as ordinary citizens without the riches they had dreamed of. It was this great arrival of population that built up California very fast and led to its becoming a state of the United States in 1850. According to the passage, how many people became rich in the so-called gold rush
简述计算机网络的发展。
患者女性，46岁。输液过程中突然呼吸困难，感到胸闷、气促、咳嗽、咳粉红色泡沫痰，肺部闻及湿啰音。 吸氧时，在湿化瓶内应加的湿化液是
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