quEstions 6 to 10 ArE BAsED on thE Following nEws.

A、only humAns CAn tEll thE DiFFErEnCE BEtwEEn lAnguAgEs.
B、rAts CAn usE lAnguAgE.
C、rAts CAn Distinguish BEtwEEnEnglish AnDChinEsE.
D、thE DistinCtion oF linguistiC rhythm is A skill ownED not only By humAns.