主页
学科
搜索
账户
常见问题
当前学科:输血技术(医学高级)
题目:
单选
两样本均数的比较,可用()。
A . 方差分析
B . t检验
C . 方差分析与t检验两者均可
D . 方差齐性检验
E . 不能用方差分析
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
男性,27岁,劳动时常有胸闷、气短等症状,喜下蹲,多次在激动、突然站立时晕厥,查体:胸骨左缘第3、4肋间闻及3级喷射性收缩期杂音,超声心动图示室间隔肥厚和二尖瓣前叶在收缩前期前移,应给予的处理不包括()
TOKYO(AFP)an animal rights group said Wednesday it was sending flowers to Miss Universe, Riyo Mori of Japan, after she pledged to stop wearing fur. Mori told AFP on Tuesday that she would no longer wear fur after a protest(抗议)campaign by the U. S. based international People for the Ethical Treatment of Animals(PETA). "Were elated(欢欣鼓舞的)with this news and are so happy that shes showing her beauty on the inside as well as the outside," said PETA Asia-Pacific campaigner Ashley Fruno. Fruno said the group would target more celebrities and was trying to get in touch with South Korean pop superstar Rain over complaints that he wears fur. "Miss Universe is certainly setting a good example, so we hope that others will follow," Fruno said. Mori and other contestants(参赛选手)wore fur coats during the final round of the preliminary Miss Universe pageant(选美竞赛)in Japan to select the national candidate. The 20-year-old trained ballerina(芭蕾舞女演员)said after the PETA campaign that she refused requests by Italian fashion house Fendi to wear a fur coat at an appearance in China next week. "I will say this out loud: I will not wear fur," Mori told AFP Tuesday. "I love animals and I agree with those who oppose wearing fur products. "What would be the best title for the news?A.PETA"s campaign against fur wearing.B.Miss Universe praised for rejecting fur.C.Miss Universe set a good Example.D.Beauty on the inside as well as the outside.
关于中、重度烧伤的处理原则,下列哪项不妥()
治疗疰夏湿困脾胃型的首选方剂是:()
中国人民解放军根据(),从1997年7月1日零时开始履行香港防务职责
与大地测量系统相对应,大地参考框架有()。
有氧训练()增强呼吸系统()外周神经损伤引起的肌肉力量减弱()治疗内脏下垂的腹肌锻炼体操()
温室内施用()是一项极为重要的技术。
不论是重大劳动安全卫生事故、重大集体劳动争议或团体劳动争议,还是劳资冲突,都具有的特点是( )。