【单选题】They have cooperated so well that they decide to ______ their agreement for another five years.
【单选题】Doctors are often caught in a ______ because they have to decide whether they should tell their patients the truth or not.
【判断题】内职业生涯是真正的人力资本所在,提高内职业生涯而取得的工作成绩,会转化为外职业生涯。
【单选题】关于球柱面透镜的视觉像移说法错误的是
A.
球柱面透镜两主子午线方向视觉像移最强或者最弱