【单选题】Questions 11 to 14 are based on the 4th passage
A.
She might have a hard time finding a job using French
B.
She might have a hard time finding a job using English
C.
She might have a hard time finding a job using Chinese
D.
She might have a hard time finding a job using German
【简答题】设X,Y均为已定义的类名,下列声明X类的对象x1正确的语句是( )。A.static X x1; B.public x x1 = new X(int 123); C.Y x1; D. X x1 = new X( );
【单选题】设X、Y均为已定义的类名,下列声明类X的对象xl的语句正确的是( )
A.
public X xl = new Y( );
【单选题】Questions 11 to 14 are based on the 4th passage
【判断题】巡检使用的红外线测温仪属于非接触式测温仪,通过热辐射原理来测量温度。
【单选题】近期,我们防疫用的红外线测温仪检测人体体温,属于( )。
【单选题】设X,Y均为已定义的类名,下列声明类X的对象 x1的语句正确的是( )。
【单选题】设x,y均为已定义的类名,下列声明对象x1的语句正确的是()
【判断题】铁路货物运到期限至少三天,运价里程每250公里或未满250公里计为一日。