单项选择题
A．go over the lessons thoroughly B．understand required textbooks well C．do the reading assignments D．prepare an outline for discussion
A．try to please their students B．treat their' students as consumers C．understand their students well D．make sure their students understand
A．they feel they are misled by careers officers B．they can't accomplish in reality their strong desires to become scientists or to do something great C．what they learn at school is quite different from what they see in society D．they me treated unfairly in society