以下哪种个体是可能存活的 A: 45,XY,-21 B: 45,X C: 69,XXX D: 45,XY,-17
以下哪种个体是可能存活的 A: 45,XY,-21 B: 45,X C: 69,XXX D: 45,XY,-17
演讲的三个被接受特征包括言辞内容、声音魅力和身体语言,这三者传达的信息量分别是:() A: 45%、38%、17% B: 17%、45%、38% C: 45%、17%、38% D: 17%、38%、45%
演讲的三个被接受特征包括言辞内容、声音魅力和身体语言,这三者传达的信息量分别是:() A: 45%、38%、17% B: 17%、45%、38% C: 45%、17%、38% D: 17%、38%、45%
【单选题】What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a) A. [13, 56, 17, [87], 45, 67] B. [13, 56, 17, 87, 45, 67] C. [13, 56, 17, 87,[ 45, 67]] D. [13, 56, 17, [87], [45, 67]]
【单选题】What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a) A. [13, 56, 17, [87], 45, 67] B. [13, 56, 17, 87, 45, 67] C. [13, 56, 17, 87,[ 45, 67]] D. [13, 56, 17, [87], [45, 67]]
下面程序输出结果是x, y, z = 10, 0, 0def f(x): y = 0 global z for i in range(x): y += i z += i return y, zx = f(x)print(x, y, z) A: (45, 45) 45 45 B: (0, 45) 0 45 C: (45, 45) 0 45 D: 10 0 45
下面程序输出结果是x, y, z = 10, 0, 0def f(x): y = 0 global z for i in range(x): y += i z += i return y, zx = f(x)print(x, y, z) A: (45, 45) 45 45 B: (0, 45) 0 45 C: (45, 45) 0 45 D: 10 0 45
冬天()点前确保门店外场灯光全部打开 A: 17:00 B: 17:15 C: 17:30 D: 17:45
冬天()点前确保门店外场灯光全部打开 A: 17:00 B: 17:15 C: 17:30 D: 17:45
A、5:45B、9:27C、15:45D、17:45
A、5:45B、9:27C、15:45D、17:45
求不定积分[img=132x48]17da6537fc8dad6.png[/img]; ( ) A: -(4*(cos(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) B: (4*(sin(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) C: (4*(cos(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) D: (4*(cos(x/2)/2 + 2*cos(x/2)))/(17*exp(2*x))
求不定积分[img=132x48]17da6537fc8dad6.png[/img]; ( ) A: -(4*(cos(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) B: (4*(sin(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) C: (4*(cos(x/2)/2 + 2*sin(x/2)))/(17*exp(2*x)) D: (4*(cos(x/2)/2 + 2*cos(x/2)))/(17*exp(2*x))
小夜班到岗时间为() A: 16:45 B: 17:00 C: 17:10 D: 16:30
小夜班到岗时间为() A: 16:45 B: 17:00 C: 17:10 D: 16:30
下列哪种核型不会引起Turner综合征( ) A: 45,X B: 45,X/47,XXX C: 45,XX,-21 D: 46,X,i(Xp)
下列哪种核型不会引起Turner综合征( ) A: 45,X B: 45,X/47,XXX C: 45,XX,-21 D: 46,X,i(Xp)
求微分方程[img=143x21]17da5f14490e50e.png[/img]的通解,实验命令为(). A: dsolve(D2y-2*Dy+5*y=sin(2*x),x)ans =exp(x)*sin(2*x)*C2+exp(x)*cos(2*x)*C1+1/17*sin(2*x)+4/17*cos(2*x) B: dsolve('D2y-2*Dy+5*y=sin(2*x)','x')ans =cos(2*x)*(sin(4*x)/17 - cos(4*x)/68 + 1/4) - sin(2*x)*(cos(4*x)/17 + sin(4*x)/68) + C1*cos(2*x)*exp(x) - C2*sin(2*x)*exp(x) C: dsolve(D2y-2*Dy+5*y=sin(2*x),'x','y')ans =exp(x)*sin(2*x)*C2+exp(x)*cos(2*x)*C1+1/17*sin(2*x)+4/17*cos(2*x)
求微分方程[img=143x21]17da5f14490e50e.png[/img]的通解,实验命令为(). A: dsolve(D2y-2*Dy+5*y=sin(2*x),x)ans =exp(x)*sin(2*x)*C2+exp(x)*cos(2*x)*C1+1/17*sin(2*x)+4/17*cos(2*x) B: dsolve('D2y-2*Dy+5*y=sin(2*x)','x')ans =cos(2*x)*(sin(4*x)/17 - cos(4*x)/68 + 1/4) - sin(2*x)*(cos(4*x)/17 + sin(4*x)/68) + C1*cos(2*x)*exp(x) - C2*sin(2*x)*exp(x) C: dsolve(D2y-2*Dy+5*y=sin(2*x),'x','y')ans =exp(x)*sin(2*x)*C2+exp(x)*cos(2*x)*C1+1/17*sin(2*x)+4/17*cos(2*x)