搜题请搜索小程序“爱下问搜题”
问题 单项选择题

陕甘边革命根据地成为土地革命战争后期全国“硕果仅存”的完整革命根据地，为党中央和各路长征红军提供了（），为后来八路军主力奔赴抗日前线提供了出发点。

A.根据地

B.苏区

C.落脚点

答案

参考答案：C

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.

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.

A．software

B．properties

C．programs

D．hardware
查看答案
单项选择题

慢性骨髓炎患者，发现贫血，红细胞为正常细胞型，血清铁450μg/L，总铁结合力2000μg/L，骨髓细胞外铁（++），贫血症诊断为（）。

A.营养性巨幼红细胞性贫血

B.缺铁性贫血

C.慢性感染性贫血

D.失血性贫血

E.铁粒幼红细胞性贫血
查看答案