是指以市场资本总额衡量的小型资本股票的投资组合收益通常优于股票市场的整体表现。A．

Without systems software, application software in a computer is(73)

A．nouse

B．useful

C．useness

D．useless

Without systems software, application software in a computer is(73)

A．nouse

B．useful

C．useness

D．useless

从下面提供的答案中选出应填入下列英文语句中______内的正确答案。

The computer itself does not do all the work on its own. The work is done by a(1)of the computer, called hardware, and(2)ofinstructions, called software or computer programs. Inside the machine, the instructions are(3)and carried out to do the work you want to do. A computer without software is nothing more than a mass of metal and plastic. On the other hand, software without a computer is simply wasted(4)because only the computer can use the software and put it to work. When you talk about a computer's being able to do this or that, you are really refemng to the(5)that accepts your commands and the computer that carries them out.

The most appropriate title for this text is

A．Differences Between Two Webs.

B．The Humanization of Computer Software

C．A New Solution to World Problems.

D．The Creator and His Next Creation.

A、Computer Engineers

B、Doctors

C、Lawyers

D、Teachers

The most appropriate title for this text is.

［A］Differences between Two Webs

［B］The Humanization of Computer Software

［C］A New Solution to World Problems

［D］The Creator and His Next Creation

Which of the following about a computer virus is not true？

A．It is a piece of software whose purpose is to replicate.

B．It is a program that gains control over its host in various ways.

C．It all contains code which won't be activated without a trigger mechanism.

D．It sometimes attaches to a file.

A、Computer Engineers

B、Doctors

C、Lawyers

D、Teachers

A．computer+software

B．computer*software

C．computer：software

D．computer-software

The passage mainly talks about ______ .

A．the new computer software to create beauty

B．advantages of the new computer software

C．how to use the new computer software

D．people's opinions about beauty