【判断题】关键字 readonly表明对象或者变量在初始化后不能修改。( )
【判断题】对不可用零件是修理还是报废,主要依据生产上的可能性,质量上的可靠性来确定。
【简答题】关键字( )表明对象或者变量在初始化后不可修改。
【单选题】对不可用零件是修理还是报废,主要是依据( )确定。
【单选题】Why have many scholars and artists often compared themselves to the orchid since ancient China?
A.
Because of the orchid’s noble characters.
B.
Because of the orchid’s beautiful color.
C.
Because of the orchid’s strong fragrance.
D.
Because of the orchid’s low rate of survival.
【判断题】一般来说,探索性研究和描述性研究主要使用一手数据和定量数据。
【判断题】Scholars and artists could display their genius by writing and painting on fans in ancient China.( )