下列描述猿猴摘果的手法操作是否正确?患儿取坐位。医者以两手示、中二指夹住患儿两耳尖向上提20~30次,再捏两耳垂向下扯20~30次,如猿猴摘果之状。
查看答案
Ludwig Van Beethoven,aSwedish composer and pianist, was a crucial figure in the transition between the Classical and Romantic eras in Western artmusic and remained one of the most famous and influential composers.
A. 对
B. 错
Beethoven showed his talent for music at an early age and was taught bya very famouspianist.
A. 对
B. 错
填介词:Nothing is particularly hard if you divide it _____small jobs.
下面关于Object类的说法不正确的是( )。
A. Object类是Java程序中所有类的直接或间接父类
B. Object类是Java程序中所有类的直接父类
C. Object类是Java类库中所有类的父类
D. Object类处在类层次最高点