【单选题】【消耗次数：1】
下列设备中，属于输人设备的是（ ）
①
声音合成器
②
激光打印机
③
光笔
④
显示器
参考答案：
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相关题目
【单选题】
同为计算机的输出设备，打印机和显示器的不同点是（ ）。
①
打印机的价格远较显示器为高
②
打印机的打印分辨率大大高于显示器
③
打印机输出速度大大快于显示器
④
打印机将输出内容印刷到纸上，显示器将输出内容显示在屏幕上
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【单选题】
____ is essential to a successful scientist; he cannot hope to make any progress if he cannot work in a controlled way.
①
Discipline
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Decision
③
Declaration
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Dependence
【单选题】
The airport is five miles ____ my house.
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away from
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far from
③
far away from
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far from away
【单选题】
Many a customer____ about the poor quality of the washing machine.
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complains
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complain
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are complaining
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have complained
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____ by this, he couldn’t say anything.
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Satisfied
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Feared
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Frightened
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Encouraged
【单选题】
George is so ____ in debt that he is afraid to show up in the pub in case he meets his six creditors.
①
involved
②
concentrated
③
devoted
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concerned
【单选题】
Every one was ____that day.
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in great spirit
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in all spirit
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in high a spirit
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in high spirit
【单选题】
23. The singer and dancer ____ our evening party.
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is to attend
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was attend
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were to attend
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are attend
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①
every
②
each
③
either
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both
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His____ to carry out the plan was weakened by the difficulties he met with.
①
determination
②
decision
③
choice
④
judgment