Theconclusionfromthestudyisnotdefinite;itisjust________.
A
A 不确定的、试探性的 B 正当的、有根据的、有效的 C 技术性的、专门技术的 D 彻底的、十足的
Ifpaymentisnotreceived,legalactionwillbeouronly________.
Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.