更多“乙烯分子中碳原子的杂化类型有”相关的问题
某企业要求将各销售部门上月的销售额制作成图表。（）能直观形象地体现各销售部门的业绩以及在企业总销售额中的比例。
A.饼图
B.折线图
C.条形图
D.直方图
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化肥仓库里面严禁吸烟，可能的原因是？（）
A.里面存有大量的氯化钾
B.里面存有大量的有机肥
C.里面存有大量的复合肥
D.里面存有大量的硝酸钾
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Passage Two There was a big pile of bricks on the top of a tall building and a man had to bring them down to the ground. He had a long rope which went over a pulley (滑轮) at the roof of the building. The other end was fastened to a big box. First he pulled the box up to the top of the building, and fastened the end of the rope so that the box could not come down. Then he climbed up the ladder and filled the box with bricks. Next he climbed down the ladder and untied the rope. Unfortunately the box of bricks was heavier than the man, and as a result he was pulled up by the rope. Half-way up, the box of bricks hit him as it was coming down. When he reached the top, his head hit the pulley. The box of bricks hit the ground and broke. As a result the bricks fell out. The box was then lighter than the man and consequently he began to come down and the box began to go up. Half-way up, the box hit the man. The man still held on to the rope and the box therefore continued to go up. The man then reached the ground. Then he let to the rope to rub his head. The box, of course, then fell down and hit the man on the head again. As a result, an ambulance came and took him to hospital.
Passage Two
There was a big pile of bricks on the top of a tall building and a man had to bring them down to the ground. He had a long rope which went over a pulley (滑轮) at the roof of the building. The other end was fastened to a big box.
First he pulled the box up to the top of the building, and fastened the end of the rope so that the box could not come down. Then he climbed up the ladder and filled the box with bricks. Next he climbed down the ladder and untied the rope. Unfortunately the box of bricks was heavier than the man, and as a result he was pulled up by the rope. Half-way up, the box of bricks hit him as it was coming down.
When he reached the top, his head hit the pulley. The box of bricks hit the ground and broke. As a result the bricks fell out. The box was then lighter than the man and consequently he began to come down and the box began to go up.
Half-way up, the box hit the man. The man still held on to the rope and the box therefore continued to go up. The man then reached the ground. Then he let to the rope to rub his head. The box, of course, then fell down and hit the man on the head again. As a result, an ambulance came and took him to hospital.
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线程是Java程序的（）机制。
A.检查
B.解释执行
C.并行
D.并发
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重大事故隐患是指可能造成人身死亡事故，（），由于供电原因可能导致重要电力用户严重生产事故的事故隐患
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30岁，有心脏病史，起病很急，意识不清、偏瘫、失语，CT示有低密度区，诊断为
A．腔隙性脑梗死
B．蛛网膜下腔出血
C．脑血栓形成
D．脑栓塞
E．短暂性脑缺血
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对冲是一种交易手段，是为了提高投资的收益而进行的一种交易。（）
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男性，23岁，尿频，尿急，尿痛6个月，多种抗生素治疗无效。尿常规检查：许多红，白细胞。为明确诊断常规的检查应包括()
A．IVP
B．尿结核菌培养检查
C．双肾CT检查
D．放射性核素肾图
E．尿细菌培养
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要使一个计划最后转化成行动，就需要把目标SMART化。那么以下哪一个目标属于SMART化的目标？（）
A.我要好好听课B.我开始每天记单词C.我准备一周爬一次山D.我保证以后不迟到
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王夫之被世人称为( )
A、船山先生
B、梨洲先生
C、亭林先生
D、余姚居士
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解锁进路的操作有（）
A.总取消 B.总人解 C.道岔单解 D.功能按钮
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构造柱的主要作用是（）
A.抵抗弯矩
B.承担竖向荷载
C.抗震构造措施
D.无作用
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下列关于建筑密封材料说法错误的是（）
A . 建筑密封材料主要用于混凝土等构配件的拼接缝
B . 建筑密封材料只单独用作防水层
C . 定型密封材料包括密封条、止水带和沥青嵌缝油膏
D . 止水带一般用于处理建筑物或地下构筑物的防水和止水
E . 密封材料与被粘基层的良好粘结是保证密封的必要条件
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