通电导体放在均匀磁场中，在垂直于电场和磁场的方向产生横向电场，这种现象称之为（）。
A.压电效应
B.压阻效应
C.霍尔效应
D.多普勒效应
参考答案：C
Success in life doesn’t happen_____. It’s the result of devoting yourself to what you’ve set out to do.
A．by design
B．by nature
C．by chance
D．on purpose
Part of the reason Charles Dickens loved his own novel，David Copperfield，was ________ it was rather closely modeled on his own life.(2010·北京)
A．what
B．that
C．why
D．whether
