Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.

Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.

Fromthesociolinguisticperspective,aspeechvarietyisnomorethanadialectalvarietyofalanguage.

I asked him to ________ me a few minutes so that we could go over all the problems.

There is a deadlock(僵局) in the discussion when neither side gives ________ to the other.