is used和used to 有什么区别

B
be used to doing sth （强调现在）习惯于做某事 He is used to doing some reading in the morning,他习惯于在早上做一些阅读.
used to do （强调过去）过去常常做 He used to be a teacher.他过去是一个老师.
He used to get up late.他过去常常起得很晚