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题目：
单选题
A重症贫血可产生呼吸困难
B代谢性酸中毒可出现浅而快的呼吸
C巴比妥中毒时常出现潮式呼吸
D癔症的呼吸困难表现为呼吸频率明显加快
E脑出血的呼吸困难是由于呼吸中枢功能障碍
答案：
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（）是铁的主要来源
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开炉前检查一文（喷淋塔）、二文及脱水器水封箱上的检查孔和人孔关闭严密，水封（）正常。
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下列均可并发于胰腺外伤，除外的是（）。
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木工常用量具包括钢卷尺、皮尺、（）等。
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在Excel2003中，若需要删除某个工作表，则应该从右键单击表标签所弹出的菜单中选择的菜单项为（）。
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Spiritual Bond Besides, do not forget to appreciate the ''spiritual bond'' between people. I've met numerous people in Japan, the US, and Australia. In the beginning, I was __1__ by the differences in the views and cultures. After studying in the US, I got __2__ to the American way of thinking. So when I first moved to Australia, I had __3__ thoughts about Australians, I thought they were quiet and passive. I felt that I couldn't understand them and that I didn't __4__ in. That is when I met the Happy Science teachings. I learned about how people go through reincarnation （转世） and are born again and again in different races and in different countries. Therefore, I realized that the people I meet in this lifetime are __5__ connected to me from my past. We have known each other before. When I __6__ this spiritual perspective, I reflected on my narrow-Mindedness. When I found out that people who I thought I couldn't understand could be spiritually connected to me, I felt __7__ even for people I used to __8__ .I felt a feeling of oneness and I was able to make many friends creating bonds of understanding and respect. Value and __9__ every spiritual bond between you and the people you meet and continue to work hard to develop yourself in order to __10__ others and be a good influence. __1__内应填（） __2__内应填（） __3__内应填（） __4__内应填（） __5__内应填（） __6__内应填（） __7__内应填（） __8__内应填（） __9__内应填（） __10__内应填（）
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解除证据的先行登记保存措施，应当经交通行政执法机关负责人批准。
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造成电晕封闭的主要原因是（）。
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下列关于低渗性脱水的叙述，正确的是（）
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当断路器存在严重缺陷影响断路器继续安全运行时应进行（）。