学生是否应该学英语（why do students learn english?）

学生是否应该学英语（why do students learn english?） 
     english has been getting more and more popular in the last decade. many countries have made english taught as the second language in schools. but why do students need english? if they do need, what do they need it for?
　different students learn english for different purposes. most of the students learn english because they need to read english textbooks or journals and attend english lectures, while a few students use it to talk to english-speaking visitors, attend seminars, or write letters and reports.
　whatever the purposes are, one thing is certain: students need english, and english teaching should be strengthened in universities. however, the current teaching methods should be improved and the teaching materials should be updated to satisfy their needs.