Song Ying is ________ kind that she has donated almost all her savings to a charity.
A:very
B:so
C:much
D:such
Even though he was disabled, he can do many things _______ swimming, writing and reading.
关于美国的叙述,不正确的是( )
我国第一条磁悬浮列车已在上海建成,它利用磁极间的相互作用,将列车悬浮于轨道之上几厘米,从而大大减小摩擦,提高了行驶的速度.这里利用的“磁极间的相互作用”是指( )