FirstVirtual（http//WWW.firstvirtual.com）公司

紫外吸收光谱只适用于测定（）或（），而红外吸收光谱能测定所有（）。

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(1)with a computer using all of the human senses, will also contribute to better human and computer(2). 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(3), 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(4). Scientists investigate them because of the physical limitations of miniaturizing circuits embedded in silicon. There are also(5)related to heat generated by even the tiniest of transistors.

空白(2)处应选择（）

A.interfaces

B.behavior

C.similarities

D.comparison

关于孕激素作用的叙述，下列哪项是错误的( )

A．刺激子宫内膜呈增生期变化
B．使子宫平滑肌活动减弱
C．降低母体免疫排斥反应
D．促进乳腺腺泡的发育

空调系统按承担室内负荷的输送介质分类，属于空气一水系统的是（）。

A.双风管系统

B.带盘管的诱导系统

C.风机盘管系统

D.辐射板系统

写出《赠别》（唐·杜牧）原文及其释义。