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问题 单项选择题 A1型题

研究人员采用自身半口对照的方法对某小学150名儿童进行窝沟封闭。3年后发现窝沟封闭剂完整保留的有90颗牙，部分保留的有30颗牙，全部脱落的有30颗牙。完整保留率为（）

A.60%

B.30%

C.40%

D.80%

E.20%

答案

参考答案：A

单项选择题

Computers will become more advanced and they will also become easier to use.

Improved speed recognition will make the operation of a computer easier. Virtual reality（虚拟现实）， the technology of（） with a computer using all of the human senses， will also contribute to better human and computer（）. Other， exotic （奇异的） models of computation are being developed， including biological computing that uses living organisms， molecular computing that uses molecules with particular（）， and computing that uses DNA， the basic unit of heredity（遗传）， to store data and carry out operations. These are examples of possible future computational platforms that， so far， are limited in abilities or are strictly（） . Scientists investigate them because of the physical limitations of miniaturizing circuits embedded in silicon. There are also（） related to heat generated by even the tiniest of transistors.

the technology will also contribute to better human and computer（）.

A．interfaces  

B．behavior

C．similarities  

D．comparison
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单项选择题

法官对人民法院关于本人的处分、处理不服的，有权自收到处分、处理决定之日起几日内，可以向原处分、处理机关申请复议( )。

A．15日

B．30日

C．45日

D．60日

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