बोधगम्यता (समझने) के लिए पठन को सबसे अच्छी तरह से किसके माध्यम से प्राप्त किया जा सकता है?

The development of reading and writing skills:

'Listening and speaking are primary skills, while reading and writing are secondary skills.' This statement refers to which principle?

Asking a student to read a poem primarily aims to test which skill?