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去除基托组织面的塑料小瘤子使用什么磨具
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结合教学实际，谈谈如何在信息技术课程的教学中培养学生的创新精神
患者女性，28岁。妊娠32周，自觉头痛、眼花3天，检查发现：血压160/110mmHg，胎心、胎位正常，双下肢水肿，尿蛋白＞0.5g/24h。此患者的诊断是子痫前期。 针对该患者所采取的护理措施不正确的是
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 author, some gold-seekers were perhaps from ______ .
200×年×月×日，某镇煤矿发生瓦斯爆炸事故，事故死亡29人。 该煤矿上年产量3万吨，税利60万元，企业上年平均职工人数是105人，企业上年工作日数是300天，这次事故因人身伤亡所支出的费用是640万元，善后处理费用是130万元，财产损失价值达280万元，停产、减产损失价值20万元，资源损失价值30万元。 根据以上情形回答下列问题，1～5题为单选题，只有一个正确的答案，6～8题为多选题，有两个或两个以上的正确答案。 该煤矿雇工在安全生产方面应尽的义务是( )。
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