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根据企业的经营总目标和预测期可能出现的各个影响因素，采用定量和定性分析方法，确定目标成本、预计成本水平和变动趋势的一种管理活动指的是（）。
患者，男，55岁。下肢痿软无力半年，逐渐加重，腰脊酸楚，肢体困倦，咽干耳鸣，小便热赤涩滞，苔黄腻，脉濡数。治宜选用（）
阅读判断：下面的短文后列出了7个句子，请根据短文的内容对每个句子作出判断：如果该句提供的是正确信息，请选择A;如果该句提供的是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。 When Our Words Collide “Wanna buy a body?” That was the opening line of more than a few phone calls I got from freelance(自由职业 ) photographers when I was a photo editor at U.S. News. Like many in the mainstream press, I wanted to separate the world of photographers into “them”, who trade in picture of bodies or chase celebrities, and “us”, the serious news people. But after 16 years in that role. I came to wonder whether the two worlds were easily distinguishable. Working in the reputable world of journalism, I assigned photographers to cover other people’s nightmares. I justified invading moments of grief, under the guise(借口) of the reader's right to know. I didn’t ask photographers to trespass(冒犯) or to stalk(跟踪),but I didn’t have to: I worked with pros(同行) who did what others did: talking their way into situations or shooting from behind police lines to get pictures I was after. And I wasn’t alone. In the aftermath of a car crash or some other hideous incident when ordinary people are hurt or killed, you rarely see photographers pushing past rescue workers to capture the blood and gore(血雨腥风). But you are likely to see the local newspaper and television photographers on the scene - and fast. How can we justify our behavior? Journalists are taught to separate doing the job from worrying about the consequence of publishing what they record. Repeatedly, they are reminded of a news-business dictum(格言): leave your conscience in the office. You get the picture of the footage: the decision whether to print or air it comes later. A victim may lie bleeding, unconscious, or dead: your job is to record the image. You put away your emotions and document the scene. We act this way partly because we know that the pictures can have important meaning. Photographs can change deplorable(凄惨的) situations by mobilizing public outrage or increase public understanding. However, disastrous events often bring out the worst in photographers and photo editors. In the first minutes and hours after a disaster occurs, photo agencies buy pictures. Often an agency buys a picture from a local newspaper or an amateur photographer and put it up for bid by major magazines. The most keenly sought “exclusives” command tens of thousands of dollars through bidding contests. Many people believe that journalists need to change the way they do things, and it’s our pictures that annoy people the most. Readers may not believe, as we do, that there is a distinction between sober-minded “us” and sleazy(低级庸俗的) “them”. In too many cases, by our choices of images as well as how we get them, we prove our readers right. The writer was a photographer sixteen years ago.
应急通信无线单兵系统通常采用全向天线。
在电源输出电压恒定情况下，并联电路的支路越多，则电路中总功率越（），每个支路的功率（）。
打印样式表编辑器中不包括（）选项卡。
调整分动外锁闭提速道岔的锁闭量不影响（）
什么是密封胶的硫化（vulcanization）？
一级律师为高级职称，二级律师为中级职称。
一患儿误吸入一异物，出现呼吸困难，胸部X线片如图，可诊断为（）。
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夜间航行值班水手发现本船前桅灯不亮时，应该：（）
夜间航行，若发现前方有一绿色快闪或甚快闪的灯浮，则该标为（）。
夜间航行，若发现前方有一红色快闪或甚快闪的灯浮，则该标为（）。
某轮在中国沿海航行，夜间发现一灯标的灯光的颜色为黄蓝光互闪，且在雷达上显示莫尔斯编码“D”，则该标为：（）
夜间航行如何判断船已进入浅水区？
在夜间航行的船舶应至少保持一名水手协助驾驶员值班。
夜间船舶在我国沿海航行，发现某浮标灯质为：快（9）15s，表明可航水域位于该标的（）。
夜间船舶在我国沿海航行，发现某浮标灯质为：快闪或甚快闪，则该船应从其（）通过。
夜间船舶在我国沿海航行，发现某浮标灯质为：快（9）15s，则应将其置于（）通过。
夜间航行时严禁有碍正常航行和了望的灯光外露是为了（）