شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 12871

Did you know that some .................... are harmful whereas some others are quite useful?!

Why is lifelong learning important?

Muslim world was a cradle of science for several hundred years. Muslim scientists and inventors, perhaps because of the special emphasis that Islam places on the value of knowledge, started working on many fields of science soon after the holy Prophet (PBUH). They made great discoveries and wrote lots of books on such fields as medicine, physics, chemistry, philosophy and astrology.

Of all the Islamic nations, Persians played an amazing part in developing different fields of science. There is a long list of world-famous Persian scientists and researchers in the golden age of Islam. Let’s have a quick look at some of the biggest names.

Muhammad ibn Musa-al-Khwarizmi (780-850 AD) was a Persian mathematician, astronomer, and geographer. Some people call him the grandfather of computer science because of his wonderful works on algorithm, a branch of math. The English word “algebra” is actually taken from the title of his greatest mathematical work, Hisab al-gabr wa-al-Muqubala. He also introduced Arabic numbers and the zero sign to the west through his works.

Abu Nasr Farabi (872-950 AD) was another Persian linguist and philosopher who made his name famous among the popular scientists of history by translating Aristotle and Plato’s works into Arabic and added his own thoughts to them. His works helped later scientists like Ibn Sina a lot.

Ibn Sina, also known as Avicenna, (980-1037 AD) was a real polymath. He studied in many different fields such as medicine, mathemathics, physics, and music. By the time he was eighteen, he was one of the most famous doctors of his time. His most important book, al-Qanun, known as the “Canon” in the west, is a wonderful book on medicine having more than a million words.

According to the passage, Khwarizmi … .