According to the text, when might communication difficulties arise?
A．When the messages sent do not fit the social norms expected by the receiver.
B．When there is mutual distrust between the involved parties.
C．When the parties involved strongly desire interaction.
D．When the parties involved fail to use nonverbal cues.

未分类题Kamen believes that the entrepreneurial life______.A．is the only way to succeed in modern AmericaB．is always frustratingC．is not for everyoneD．is often misrepresented in the media

未分类题呼叫中心的基本结构包括下面的()。

未分类题数据仓库具有的特点包括()。

未分类题When the retina reflects the beams, what occurs?A．Patients have trouble seeing.B．The ability to focus is gone.C．No correction is needed.D．The lens bends the light beams.

未分类题The authors attitude towards the Visx machine is that______.A．it is interesting but not very usefulB．he says it's a wonderful invention which could replace eye chartsC．it can be useful but he thinks it's too early to make a switchD．too much time and money have been wasted on it