【多选题】下列关于塑料配方中的助剂叙述正确的是( )。
C.
增强材料能够提高塑料制品的力学性能,耐候性和尺寸稳定性
D.
为防止塑料在不稳定性的环境下发生降解,其中加入抗氧化剂和光稳定剂
【单选题】The basic function of the file system is accessing files by names. The function can be realized by(74)。
B.
boosting the speed of the file-accessing
D.
improving the utilization of storage
【多选题】Consider the following recursive Python function. The function does not compute the factorial, as intended. Which of the following statements are true? # this function computes factorial def Fact(n): ...
A.
The function is missing a termination condition.
B.
The function does not call itself recursively.
C.
The function should return 1 if n==1.
D.
The return statement is not necessary.
E.
The function will run for too long, making too many recursive calls.
【多选题】家具模块化设计的新特征有?
A.
标准化、通用化的零部件快速组合成家具,能实现家具的多样化。
【简答题】#includeusing namespace std;
void function2 (int n);
void function1 (int n) {
if(n<=0) return; function2 (n-2); } void function2 (int n){ if(n<=0) return; function1 (...
【判断题】Function names are not case-sensitive.
【简答题】已知向量 ,函数 求函数 的最小正周期T及值域
【简答题】已知函数 ,求函数 的最小正周期; 当 时,求函数 的取值范围.
【判断题】In a function reference call, the arguments and parameters of the function should be variable names and references