National, cultural and language specificities of Arab official speech style Lolita Arkadyevna Balandina, Elena Viktorovna Ganina, Aleksandra Andreevna Lukina, Veronika Eduardovna Matveenko and Tatyana Vasilyevna Satina SHS Web Conf., 127 (2021) 02020 Published online: 02 December 2021 DOI: 10.1051/shsconf/202112702020