a≠0，若53÷a<53，则a___1；若53÷a>53，则a___1．

Pt100热电阻在0℃时的电阻值为（） A: 0 B: 53 C: 101.1 D: 100

（多选题）（），4，9，16，27，38，（）。 A: 0 B: 2 C: 53 D: 68

给出生成下列语言的上下文无关文法GL(G)={0na1nbmcm|n&gt;0，m&gt;=0} A: S→ABA→0A1|0a1B→bBc|ε B: S→ABA→01A|01aB→bBc|ε C: S→ABA→0A1|0a1B→bBc|bc D: S→ABA→0A1|a01B→bcB|ε

在x轴上，与原点距离为5的点的坐标为（ ）。 A: (5, 0) B: (-5, 0) C: (0, 5) D: (5, 0)或(-5, 0)

以下在定义一维数组a的同时，给a数组所有元素赋初值0，正确的语句是________。（ ） A: int a[5]={5*0 }; B: int a[5]={5,0}; C: int a[5]={0}; D: int a[5]=(0, 0, 0, 0, 0, 0);

以下在定义一维数组的同时，给数组所有元素赋初值，正确的语句是________。( ) A: int a[5]=(0, 0, 0, 0, 0, 0); B: int a[5]={5,0}; C: int a[5]={0}; D: int a[5]={5*0};

与linspace(0,pi,5)等价的语句是（ ）. A: 0:1:5 B: 0:pi:5 C: 0:pi/4:pi D: 0:pi/5:pi

下列程序的运行结果是（ ）。t = 0 while t &lt; 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5

设集合A={x|0＜x＜5}，则集合A∩B=（ ） A: {0,5,-5} B: {x|0＜x＜5} C: {x|0＜x≤5} D: {x|0≤x≤5}