Using the problem stated in the Special window, Calculate the expected value of duration (in days) using the PERT concept of the expected duration of a task
A . 8
B . 8.8
C . 9.1
D . 9.7
E . 10.5
第1题:
1.publicclassSimpleCalc{
2.publicintvalue;
3.publicvoidcalculate(){value+=7;}
4.}
And:
1.publicclassMultiCalcextendsSimpleCalc{
2.publicvoidcalculate(){value-=3;}
3.publicvoidcalculate(intmultiplier){
4.calculate();
5.super.calculate();
6.value*=multiplier;
7.}
8.publicstaticvoidmain(String[]args){
9.MultiCalccalculator=newMultiCalc();
10.calculator.calculate(2);
11.System.out.println(”Valueis:+calculator.value);
12.}
13.}
Whatistheresult?()
第2题:
下列样式代码中,可精确定义元素位置的是()
A.special{ position: absolute;}
B.special{ position: absolute; top:20px; left:16px;}
C.special{ position: relative;; top:20px; left:16px;}
D.special{ position: relative;}
第3题:
【多选题】下列样式代码中,可精确定义元素位置的是:
A..special{ position: absolute;}
B..special{ position: absolute; top:20px; left:16px;}
C..special{ position: relative;; top:20px; left:16px;}
D..special{ position: relative;}
第4题:
A. SET_JOB_ARGUMENT_VALUE
B. SET_JOB_VALUE_ANYDATA
C. SET_JOB_ANYDATA_VALUE
D. SET_SPECIAL_JOB_VALUE
E. SET_JOB_ANYTYPE_VALUE
第5题:
下列定义的外部中断0函数正确的是()。
A.void int0() interrupt 1 using 0
B.void int0() interrupt 0 using 0
C.void int0() interrupt 2 using 0
D.void int0() interrupt 3 using 0
第6题:
下列定义的外部中断0函数正确的是()。
A.void int0() interrupt 0 using 0
B.void int0() interrupt 1 using 0
C.void int0() interrupt 3 using 0
D.void int0() interrupt 3 using 0