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【多选题】
被世界卫生组织公认为世界四大营养缺乏病的是()。
A.
蛋白质-能量营养不良
B.
缺铁性贫血
C.
碘缺乏病
D.
维生素A缺乏病
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【简答题】Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones ), people behave more irritably...
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【单选题】In noise experiments, Glass and Singer found that __________.
A.
problem-solving is much easier under quiet conditions
B.
physiological arousal prevents the ability to work
C.
bursts of noise do not seriously disrupt problem-solving in the long term
D.
the physiological arousal of the control subjects declined quickly
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【单选题】下面程序段的时间复杂度为( )。 void sum(int n) //n为正整数 { int p=1,sum=0,i; for(i=1;i<=n;i++) { p*=i; sum+=p; } }
A.
O(n^2) 注释:n^2表示求n的平方
B.
O(1)
C.
O(n)
D.
O(logn)
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【单选题】Psychologists now believe that noise has a considerable effect on people's attitudes and behavior. Experiments have proved that in noisy situations(even temporary ones), people would have more anger a...
A.
can not complete his work in a noisy situation
B.
will suffer from complete deafness because of noise pollution
C.
can be psychologically affected by working in very noisy factories
D.
may cooperate well in a noisy surrounding
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【单选题】一种行为的机会成本是指 ?
A.
为这种行为所花费的钱；
B.
为这种行为所花费的时间的价值；
C.
当你不必为这种行为付钱时就等于零；
D.
投入这种行为全部资源的其它可能用途的最大收益；
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【单选题】一种行为的机会成本是指
A.
为这种行为所花费的钱
B.
为这种行为所花费的时间的价值
C.
当你不必为这种行为付钱时就等于零
D.
投入这种行为全部资源的其他可能的用途
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【简答题】会 “变魔术”的柔性屏 佚 名 1一言不合就掰弯手机?这不是开玩笑,而是某知名厂商在自家的科技大会上向参观者展示的新科技——尚处于原型机阶段的柔性屏幕设备。其中一款是可折叠的变形手机,上网、看剧、收发邮件时,它是7英寸左右的平板电脑;要打电话时,只需轻轻对折就变成5英寸左右的智能手机。 2柔性屏是柔性显示屏幕的简称,是以塑料为基板,加上OLED(有机发光二极管)显示材料构成的显示屏。传统的显示屏都...
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【简答题】Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones ), people behave more irritably...
查看完整题目与答案
【判断题】蓄水枢纽中的泄水建筑物为溢洪道。
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正确
B.
错误
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【简答题】Psychologists now believe that noise has a considerable effect on people's attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones), people behave more irritabl...
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相关题目：
【简答题】Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones ), people behave more irritably...
查看完整题目与答案
【单选题】In noise experiments, Glass and Singer found that __________.
A.
problem-solving is much easier under quiet conditions
B.
physiological arousal prevents the ability to work
C.
bursts of noise do not seriously disrupt problem-solving in the long term
D.
the physiological arousal of the control subjects declined quickly
查看完整题目与答案
【单选题】下面程序段的时间复杂度为( )。 void sum(int n) //n为正整数 { int p=1,sum=0,i; for(i=1;i<=n;i++) { p*=i; sum+=p; } }
A.
O(n^2) 注释:n^2表示求n的平方
B.
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O(n)
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查看完整题目与答案
【单选题】Psychologists now believe that noise has a considerable effect on people's attitudes and behavior. Experiments have proved that in noisy situations(even temporary ones), people would have more anger a...
A.
can not complete his work in a noisy situation
B.
will suffer from complete deafness because of noise pollution
C.
can be psychologically affected by working in very noisy factories
D.
may cooperate well in a noisy surrounding
查看完整题目与答案
【单选题】一种行为的机会成本是指 ?
A.
为这种行为所花费的钱；
B.
为这种行为所花费的时间的价值；
C.
当你不必为这种行为付钱时就等于零；
D.
投入这种行为全部资源的其它可能用途的最大收益；
查看完整题目与答案
【单选题】一种行为的机会成本是指
A.
为这种行为所花费的钱
B.
为这种行为所花费的时间的价值
C.
当你不必为这种行为付钱时就等于零
D.
投入这种行为全部资源的其他可能的用途
查看完整题目与答案
【简答题】会 “变魔术”的柔性屏 佚 名 1一言不合就掰弯手机?这不是开玩笑,而是某知名厂商在自家的科技大会上向参观者展示的新科技——尚处于原型机阶段的柔性屏幕设备。其中一款是可折叠的变形手机,上网、看剧、收发邮件时,它是7英寸左右的平板电脑;要打电话时,只需轻轻对折就变成5英寸左右的智能手机。 2柔性屏是柔性显示屏幕的简称,是以塑料为基板,加上OLED(有机发光二极管)显示材料构成的显示屏。传统的显示屏都...
查看完整题目与答案
【简答题】Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones ), people behave more irritably...
查看完整题目与答案
【判断题】蓄水枢纽中的泄水建筑物为溢洪道。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Psychologists now believe that noise has a considerable effect on people's attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones), people behave more irritabl...
查看完整题目与答案