1.- Because the reasons for teaching English were for personal growth and curriculum, a practice of mutual benefit, and became a massive international business.
2.- Ryan says that the TOEFL was given a lot of power and it became a weapon where the poorest were excluded, since the prices for the exam are very high and at the same time it does not let discover the intelligence of those who don´t approve it.3 .- The diversity of languages can help cooperation and improve understanding of some things, what someone may not understand in one language, someelse may do it in another.4.- He invented a cost free solar lamp, so that children of his village could have the same light to study as those who enjoyed electricity.5.- He meant that people who did not have their own light could never pass exams, do not let a language divide us and leave us in the dark, intelligence is not measured by how much English people speak.
I would say that all these questions are valid and to the point though perhaps a little less so re the dress. If the speaker is logical, gives sufficient evidence based on solid facts and obviously knows his subject either being an authority on the subject or showing that he/she has closely consulted with those who are, then the speech should be well received.
There are many activities like Drawing and Painting that could lead to carrier change. Of course reading G.K. books or course books in the leisure time would help in some or the other way, but drawing, painting, cricket, football etc. can lead to a carrier change.
