第7题: [单项选择]施工成本计划的编制以( )为基础,关键是确定目标成本。 A. 成本预测 B. 施工技术方案 C. 合理配置生产要素 D. 项目组成 参考答案:A 答案解析:[解析] 1Z202023按施工成本组成编制施工成本计划的方法 [解析] 施工成本计划的编制以成本预测为基础,关键是确定目标成本。
第17题: [单项选择]每天成年人维生素C的最大可耐受量是() A. 800mg B. 1200mg C. 2000mg D. 1000mg 参考答案:D
第18题: [单项选择]在依法执行公务的过程中,当事人因某些个人利益被触及,产生对立情绪,致使人民警察经常遭遇无理的指责、谩骂,甚至遭到攻击。特别是有些人依仗权势,非法干预、阻挠人民警察依法执行公务,有的还对人民警察进行打击报复,威胁人民警察的生命安全,这体现了公安工作的( )。 A. 复杂性 B. 艰苦性 C. 危险性 D. 隐蔽性 参考答案:B 答案解析:[解析] 艰苦性主要表现在两个方面:一方面,由于对敌斗争的复杂性,常常需要人民警察连续作战,这种普遍的、长期的超疲劳工作严重地损害了人民警察的身心健康。另一方面,不良的环境也常常给人民警察执行公务带来
In recent years,an increasing number of college students make great efforts to get all kinds of certificates in their spare time.They either aRend training classes outside campus or study on their own to acquire knowledge to pass the exams for those certificates. As for this phenomenon on campus,there are both advantages and disadvantages.On the one hand, in the process of pursuing a certificate in a certain field,students can learn something that they are interested in and that can be applied to their future career.On the other hand,some students spend too much time getting certificates,neglecting their study on campus,which will have a negative effect on their normal college study and life. As far as I’m concerned,college students’pursuit of certificates can be encouraged.However,school authorities should give students some useful guidance on what certificates to pursue and how to achieve their goals.
第26题: [单项选择]基牙倾斜时取得共同就位道的方法错误的是 A. 拔除倾斜牙 B. 正畸治疗 C. 加大牙体制备量 D. 双套冠 E. 改变固位体设计 参考答案:A
第28题: [单项选择]女性,33岁。初次妊娠已9个月,近2周来觉气急、咳嗽来诊。体检:半卧位,心率110次/分,频发早搏,闻及第三心音。两肺湿啰音。肝颈静脉回流征阳性。下肢水肿。血压20/12.5kPa(150/94mmHg)。超声心动图显示左、右心腔增大,中等量心包积液。3周前曾似有感冒症状。目前首先要处理的是下列哪种临床表现() A. 慢性心脏压塞症状 B. 肺部感染 C. 妊娠高血压 D. 充血性心力衰竭 E. 心律失常 参考答案:D