【单选题】
相较于激光打印机,针式打印机具有的优点是____。
【单选题】
A company meeting provides an opportunity to ----ideas and discuss any problems that come up within the workplace.
【单选题】
Hi, is Mary there, please?
【单选题】
__________, the knowledge economy has become the major characteristic (特征) of the national economy of most developed countries.
【单选题】
Oh, sorry to bother you.
【单选题】
He used to in a small village, but now he has been used to in the big city.
【判断题】
f(x)=√(x-1)/√(x+1),g(x)=√((x-1)/(x+1))
【单选题】
目前使用的防病毒软件的作用是____。
【单选题】
在局域网中,普通PC机入网时必需在该机器内安装____。