问题
-
下列程序段中哪一组将a,b变量值交换?()(A) a=a-bb=a+ba=a-b(B) b=a+ba=a-bb=a-b(C) a=a+bb=a-ba=
-
已知inti,a;执行语句i=(a=3,a++,--a,a+4,a+5,++a);后,变量i的值为()A、2B、3C、4D、5
-
根据算符▽的微分性与矢量性,推导下列公式: ▽(A·B)=B×(▽×A)+(B·▽)A+A×(▽×B)+(A·▽)B A×(▽×A)=▽A2-(A·▽)A
-
Their home is situated within easy______of shops and other facilities.A.acquisitionB.reach
-
为下列正规式构造最简的DFA: (1)(a|b)*a(a|b) (2)(a|b)*a(a|b)(a|b) (3)(a|b)*a(
-
______refers to the learning and development of a language.A.Language acquisitionB.Languag