题干
In order to work better in the future, each of us must first of all know our ______ and weaknesses.
A：strength
B：benefit
C：technique
D：value
答案(点此获取答案解析）
A
A：strength
B：benefit
C：technique
D：value
的不同带电粒子，其中带电粒子1从A点飞出磁场，带电粒子2从B点飞出磁场，不考虑带电粒子的重力．则（ ）