单项选择题
A.这份合同明显违反了新的协议,尤其是违反了国际的法律。 B.这份合同清楚地违反了旧的协议,并违反了国际上的法律。 C.这份合同清楚地违背了最初的协议,尤其国际法。 D.这份合同显然违反了原来的协议,尤其是违反了国际法。
A.how students remember English vocabulary by short-term memory B.how students learn English vocabulary C.how to develop students’ ability in English D.how long information in short-term memory is kept