【单选题】以下程序片段运行后,变量r的值是多少? int x=0,y=4,r=0; do{ x--; y-=3; r=y+x; }while(x
【判断题】对受横向变载荷的普通螺栓联接适当增加预紧力可以提高螺栓的抗疲劳强度。
【单选题】以下程序段运行后变量z的八位二进制值是( )。 int x=3,y=1,z; z=x^y<<2; //提示: <
【判断题】对受横向变载荷的普通螺栓联接适当增加预紧力可以提高螺栓的抗疲劳强度。 ( )
【单选题】Which of the following is a characteristic of a sequence?()
A.
A sequence will never generate duplicate values
B.
The MAXVALUE of a sequence can be equal to the MINVALUE
C.
It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero
D.
When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries
【单选题】Which figure completes the sequence?
【简答题】脑电图是大脑细胞活动时所发出的电活动,正常人的脑电图呈_____波,每秒_____次。肝性脑病患者的脑电图表现为节律_____。
【简答题】蛋白质最常用测定方法为( ),是测定总有机氮的最准确和操作较简便的方法之一。