abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

nowadays enhancing critical thinking in learners is considered one of the foreign language teachers’ tasks due to its high position in foreign language classrooms. when it comes to selecting materials for language classrooms, there are obviously some criteria that teachers should apply. the present study aimed at a critical thinking based analysis of ten picture story books and ten folktales th...

هدف پژوهش حاضر که براساس پیکره زبانی است ، بررسی نقش بینافردی واحد بند زبان فارسی براساس توصیف نقش گرایانه هلیدی(1985 ) می باشد. چهارچوب نظری این پژوهش را اصولی تشکیل می دهد که هلیدی در فصل چهارم کتاب خود، درآمدی بر دستور نقش گرا (an introduction to functional grammar )، (1985 ) با عنوان نقش بند در مبادله (clause as exchange) معرفی می کند. گونه زبانی مورد بررسی در این پژوهش ، زبان فارسی گفتاری ...

recent studies in scientific education as well as foreign and second language instruction suggest that thinking has rarely been an integral part of education and training in classroom. some scholars decried the lack of emphasis on thinking in the institutes and schools. they noted that memorization and drills were rewarded,while inquiry, reflection, and consideration of alternatives were frowne...

we describe here a suitable approach for the synthesis of n-unsubstituted monocyclic b-lactams under mild reaction conditions by the annelation of imines with substituted acetylchlorides. in this method the reaily available phtalimidoacetyl chloride were allowed to react with - dibenzylideneiminotoluene (hydrobenzamide) in the presence of an equimolar amount of triethylamine in refluxing toluen...