Text 1 The destruction of our natural resources and contamination of our food supply continue to occur, largely because of the extreme difficulty in affixing legal responsibility on those who continue to treat our environment with reckless abandon. Attempts to prevent pollution by legislation, economic incentives and friendly persuasion have been met by lawsuits, personal and industrial denial and long delays — not only in accepting responsibility, but more importantly, in doing something about it. It seems that only when the government decides it can afford tax incentives or production sacrifices is there any initiative for change. Where is industry’s and our recognitio A. Legislation and government intervention. B. The industry’s understanding and support. C. The efforts of environmental health professionals. D. The cooperation of ecologists, environmental activists and conservationists. [多选题]成套接地线应由( )组成。
A.有透明护套的多股软铜线 B.有黑色护套的多股软铜线 C.专用线夹 D.任意金属线夹 [多选题]下列各项中, 数值越⾼则表明企业获利能⼒越强的指标有 ( )
A.销售净利率 B.资产负债率 C.净资产收益率 D.速动⽐率 E.总资产净利率 [单项选择]对酸、碱都有一定耐受力的是 ()
A. 结核分枝杆菌 B. 炭疽芽孢杆菌 C. 白喉棒状杆菌 D. 霍乱弧菌 E. 金黄色葡萄球菌 [单项选择]母乳喂养小儿,10月龄,贫血外貌,腹泻3个月,红细胞3.2×1012/L,血红蛋白105g/L,血片中见巨杆状粒细胞和粒细胞分叶过多,属何种贫血()
A. 巨幼红细胞性贫血 B. 单纯小细胞性贫血 C. 正常细胞性贫血 D. 小细胞低色素性贫血 E. 恶性贫血 [判断题]法兰或螺纹连接的阀门应在开启状态下安装。
A.正确 B.错误 [判断题]混凝土枕无缝线路地段松动防爬设备作业时,在作业轨温低于实际锁定轨温-20 ℃以上时,同时松动不超过20 m。
A.正确 B.错误 [多项选择]Photoshop中如何在Brush(笔刷)调板中删除新建的画笔? ( )
A. 按住Ctrl键并单击画笔图标 B. 按住Alt键并单击画笔图标 C. 在笔刷调板右上角的弹出菜单中选择“DeleteBrush”命令 D. 将画笔图标直接拖到笔刷调板右下角的垃圾桶图标上 [单选题]晶体三极管作为开关使用时,其工作状态为( )。
A.放大 B.截止 C.缩小 D.整流 [单选题]机长可同时呼叫所有乘务员:
A.对 B.错 [单选题]《铁路行李包裹运输统计规则》规定:行李运输经由按()确定。
A.行李运送实际经由 B.车次经由 C.指定经由 D.最短经由 [判断题]( )架空导线的结构可以分为三类:单股导线、多股绞线和复合材料多股绞线。
A.正确 B.错误 [单选题]对交流滤波器高端C1 电容器最灵敏的保护是(____)。
A.失谐监视 B.滤波器过流保护 C.不平衡保护 D.滤波器差动保护 [单项选择]CRM的收益主要体现在两个方面,即业务收益和在顾客服务中节约的()
A. 成本收益 B. 费用 C. 成本 D. 效益 我来回答: 提交
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