Wednesday, September 21, 2022
Wednesday, September 21, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题"三同时"属于()。A 日常劳动卫生业务B 经常性卫生监督C 事故性卫生监督D 预防性卫生监督E 职业病诊断与鉴定的监督...
Tuesday, June 27, 2023
Thursday, September 15, 2022
Thursday, September 22, 2022
吸烟行为的干预包括制定并实施控烟法规、加强健康教育和()。...
Tuesday, September 20, 2022
单选题可以用来评价胸部前后位片投照位置是否摆正的是()。A 双侧胸大肌影是否对称B 双侧乳房影是否对称C 双侧胸锁关节是否对称D 双侧肩胛骨影是否对称E 双侧骨性胸廓是否对称...
Sunday, April 16, 2023
Thursday, September 22, 2022
单选题对一种化学物质进行发育毒性评价。如果该化学物动物实验确定,但无人类致畸资料,则该化学物属于EEC和OECD提出的哪类发育毒物()。A Ⅰ类B ⅡaC ⅡbD Ⅲ类E Ⅳ类...
Wednesday, September 28, 2022
某厂因设备故障致一氧化碳外逸,维修工赵某在处理故障时吸入大量一氧化碳倒地昏迷,被人送医院抢救。查:呈急性重病容,神志不清...
Wednesday, September 21, 2022
Thursday, September 15, 2022
为了降低本底,γ谱仪在测量时应放置在一定厚度的哪类屏蔽室内()。...
Thursday, September 22, 2022
单选题在抽样调查中,理论上样本含量大小与有关()。A 样本方差B 均数C 样本极差D 样本四分位间距E 样本变异系数...
Wednesday, December 7, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022