The majority of people, about nine out
of ten, are right-handed. Up until recently, people who were left- handed were
considered abnormal, and once children showed this {{U}} (67) {{/U}} they
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A.左下角 B.左上角 C.右上角 D.右下角 [判断题]轴承按工作元件的摩擦性质分为滑动轴承和滚动轴承。 ( )
A.正确 B.错误 [单项选择]在回归分析中,F检验主要是用来检验()。
A. 相关系数的显著性 B. 回归系数的显著性 C. 线性关系的显著性 D. 估计标准误差的显著性 [单选题]铁路货车段修单位应设有质量检查部门,质量检查部门代表( )对车间施修的铁路货车及零部件进行质量检查。
A.铁路局 B.段修单位 C.车辆处 D.检修车间 [填空题]1978年5月11日,《光明日报》发表题为( )的特约评论员文章,从根本上否定了“两个凡是”的错误方针,揭开了真理标准讨论的序幕。
[单选题]某工业建设项目,需进口一批生产设备,CIF价为200万美元,银行财务费费率为0.5%,外贸手续费费率为1.5%,进口关税税费为22%,增值税税率为17%,美元兑换人民币的汇率为6.2,则这批设备应缴纳的增值税为( )万元人民币。
A.204.0 B.248.9 C.252.9 D.257.2 [单选题]施工现场临时用电,必须由( )负责管理。明确职责,并建立电工值班室,确定电气维修和值班人员。
A.电气工程技术人员 B.总包单位 C.分包单位 D.电工 [单选题]108、《职业病防治法》规定,发生或者可能发生急性职业病危害事故时,用人单位应当立即采取应急救援和控制措施,并及时报告所在地卫生行政部门和有关部门。卫生行政部门接到报告后,应当()
A. 应当及时会同有关部门组织调查处理 B. 必要时,可以采取临时控制措施 C. 组织做好医疗救治工作 D. 以上全是 [判断题]EPON由于采用波分复用技术,ONU随时可以向OLT发送数据。
A.正确 B.错误 我来回答: 提交
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