According to the writer, the best way of achieving effective communication is to______. What advice is given about the communic

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问题 According to the writer, the best way of achieving effective communication is to______.
What advice is given about the communication tools made available by technology?

选项 A、Aim to limit staff use of certain communication tools.
B、Evaluate them in terms of the expenditure involved.
C、Select them on the basis of the facilities they offer.
D、Encourage more staff to attend training courses in their use.

答案B

解析 文章第四段说:"The potential gains must be weighed up against the costs",即要衡量增加通讯设备的成本和产出之比。选项B说要根据支出来判断设备是否必要是正确的。
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