电压是__________的原因,电源的作用是保持__________有一定的电压。
形成电流;电路两端
—Do you like magic? They're studying _______ Liu Qian's tricks work.
—I can't wait _______ his shows! [ ]
A. what; seeing
B. how; to see
C. what; to see
D. how; seeing
个人的价值高于社会的价值,应根据个人的本性和个体发展的需要来确定教育目的,这是( )的观点。
A.宗教本位论 B.社会本位论C.个人本位论 D.文化本位论