【判断题】企业销售一笔金额为20万元(含税)的货物,规定的现金折扣条件为2/10,1/20,n/30,购货方于第11天付款,该企业实际收到款项为19.6万元。( )
【单选题】成角透视又称“两点透视”,是指画面中所表现的物体有( )消失点,任何一个面都不与画面平行。
【单选题】The examples given by the writer in Paragraph serve ______.
A.
to prove the high technology has a promising future
B.
to support his assumption of new type of teamwork in the preceding paragraphs
C.
to show that it tends to be an end to teamwork soon
D.
to indicate the computer-assisted team effort just means investigation and simulation
【单选题】麻疹病毒的特点是
D.
感染会形成两次病毒血症,感染后机体有牢固免疫力
【单选题】多级负反馈放大电路容易引起自激振荡的原因是
【单选题】下列哪种现象不是生物适应环境的例子:()