【单选题】
Sorry, I must be leaving now, because there’s a meeting.
②
Yes, you can leave if you like
③
Do you really have to go? Couldn’t you at least stay for another cup of tea?
④
Oh, no. I don’t understand
【单选题】
在下列设备中,____不能作为微型计算机的输入设备。
【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))