某学校打算选拔身高T超过1.75米且体重W不大于55公斤的人作为招生条件，表示该条件的布尔表达式为_____。 A: T>=1.75 And W<=55 B: T<=1.75 Or W>=55 C: T>1.75 And W<=55 D: T>1.75 Or W<55

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2022-06-16 问题

某学校打算选拔身高T超过1.75米且体重W不大于55公斤的人作为招生条件，表示该条件的布尔表达式为_____。 A: T>=1.75 And W<=55 B: T<=1.75 Or W>=55 C: T>1.75 And W<=55 D: T>1.75 Or W<55

2022-06-16 问题

某调频波S(t)=20cos(2000πt+8sin400πt)，信号的带宽为（）

2021-04-14 问题

void delay(uchar x) { uchar t; while(x--) { for(t=0;t<2000;t++); } } 此程序为死循环程序。

2022-07-02 问题

NX70集中载重标记正确的是（m/t）（） A: 1/25,2/35,3/45,4/50,5/55 B: 1/30,2/35,3/40,4/50,5/55 C: 1/30,2/35,3/40,4/45,5/55 D: 1/30,2/35,3/45,4/50,5/55

2022-06-01 问题

已知有理数t满足∣1-t∣=1+∣t∣,则∣t-2006∣-∣1-t∣=（） A: 2000 B: 2001 C: 2002 D: 2005E

2022-05-29 问题

下列程序的运行结果是（）。t = 0 while t < 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

下列程序的运行结果是（）。t = 0 while t < 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

2022-06-16 问题