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【单选题】
Anti-Burglar Guns This gun practice should please both pro-and anti-gun control parties. A major, and legitimate, defense of gun ownership is to protect against burglars. The best anti-burglar gun is a double barrelled shotgun loaded with medium size shot, not a hand gun. A shotgun is much easier to aim accurately than a hand gun. It is more intimidating than a hand gun because of its size. It is less likely to actually kill the burglar so there is less inhibition about actually firing it. It is less likely to be stolen by a burglar during your absence because it cannot easily be hidden by him and for the same reason it is not useful to a street robber. A long gun is much less likely to be played with by children than a hand gun because of its size and weight. (To safety a hand gun by locking it up makes it slow to access if there is a real burglar, while a loaded shotgun can safely be kept by the head of your bed.) The mechanism is simpler so it is less likely than a hand gun, particularly an automatic, to jam after a long period of storage. Its pellets will not punch through a wall and hit someone in the next room or the next house. A long gun is also less tempting than a concealed weapon to carry it into bars or elsewhere where a fight may develop and tempt you to use it. A concealed hand gun is of no help if you are confronted in the street by a robber pointing a gun at you you have no time to get yours out and he will shoot you if he thinks you are trying. (If you are a policeman you may be in a position to draw first so hand guns are appropriate for police officers.) As a separate matter, I suggest the following practice to inhibit children from playing with either long guns or hand guns. Tie a loop of cotton thread through the trigger guard. Anchor the loop to the wall or to the inside of the drawer with adhesive tape or cement. Show the anchored gun to the children and warn them of the consequences to them if that loop is broken. To prevent an aggressive child from replacing the loop after playing with the gun, use a colored thread and lock up the spool so you can replace the loop yourself. When you want the gun yourself, just take it and the thread will break. The author seems to suggest that ______.
A.
the anti-gun control side should be appeased
B.
the pro-gun control arguments are groundless
C.
a hand gun is inconvenient to use
D.
a shotgun is generally better than a hand gun
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【单选题】对于财务内部收益率的评价,说法不正确的是( )。
A.
财务内部收益率指标考虑了资金的时间价值以及项目在整个计算期内的经济状况
B.
财务内部收益率计算比较麻烦
C.
对于具有非常规现金流量的项目,其财务内部收益在某些情况下甚至不存在或存在多个内部收益率
D.
财务内部收益率必须首先确定一个符合经济现实的基准收益率,而基准收益率的确定往往是比较困难的
【多选题】成人后随着年龄的增长 ,心脏会出现下列哪些变化(多选)
A.
重量增加
B.
心排出量减少
C.
心指数增加
D.
心肌收缩期缩短
E.
收缩力减弱
【单选题】所谓内部收益率,是指项目在( )的情况下的收益率。
A.
期末不能回收投资
B.
期末刚好回收投资
C.
期末超额回收投资
【单选题】内部收益率,是指项目在 ( )的情况下的收益率。
A.
期末不能回收投资
B.
期末刚好回收投资
C.
期末超额回收投资
D.
和收回投资无关
【单选题】所谓内部收益率,是指项目在( )的情况下的收益率。
A.
期末不能回收投资
B.
期末刚好回收投资
C.
期末超额回收投资
D.
期末不知道能不能回收
【单选题】将多种颜色的油笔集成一根多色油笔,应用了()发明原理。
A.
分割
B.
分离
C.
合并
D.
局部质量
【单选题】高低压电器()常用的设备主要包括台式钻床、立式钻床、万向摇臂钻床等。
A.
接线工
B.
测试工
C.
调试工
D.
装配工
【判断题】采用电流串联负反馈能使放大器的输出电阻变大,输入电阻变小。
A.
正确
B.
错误
【多选题】成人后随着年龄的增长,心脏会出现下列哪些变化?
A.
重量增加
B.
心排出量减少
C.
心指数增加
D.
心肌收缩期缩短
E.
收缩力减弱
【单选题】下列指标中,( )是指在考虑了资金时间价值的情况下,以项目每年的净收益回收项目全部投资所需要的时间。
A.
总投资收益率
B.
财务内部收益率
C.
静态投资回收期
D.
动态投资回收期
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