在图丙中,根据磁感线方向标出通电螺线管中的电流方向和小磁针的N极.
He is always the first _____ to school.[ ]
A. to get
B. get
C. getting
D. got
When asked about their opinion about the schoolmaster ,many teachers would prefer to see him step aside __________ younger men.
A.in terms of
B.in need of
C.in favor of
D.in praise of