Which of the following is not a characteristic of conversational implicature?

On a Cisco Nexus 7000 Series Switch， what is the purpose of this command？（）  switch# config terminal  switch（config）# mac address-table learning-mode conversational vlan 1-10  switch（config）# A:  Enable conversational learning on FabricPath vlans 1-10 for F-Series module B:  Enable FabricPath protocol on VLANs 1–10 C:  No need for this command as conversational learning is enabled by default for all VLANs. D:  Enable conversational learning on Classical Ethernet VLAN for F-Series module

According to the conversational maxim of manner suggested by Grice, one should speak truthfully.

Casual words and slang as well as the light, conversational tone should be avoided in a business letter.

Though he is the youngest, he is the most ______ guy in our office. A: conversation B: conversational

Academic writing should be formal, objective and concise, addressing the reader as “you” with a conversational style. （)

Free verse tends to use ______ diction. A: elevated B: formal C: invented D: conversational

Whenever we fail to fulfil a conversational maxim, we fail to observe the Cooperative Principle. A: 正确 B: 错误

中国大学MOOC: Whenever we fail to fulfil a conversational maxim, we fail to observe the Cooperative Principle.

In conversational English "is not" often ______ to "isn't", consequently, "was not" to "wasn't", "are not" to "aren't". A: shrinks B: compresses C: condenses D: contracts