函数 $y=5^{(3x+1)^2}$ 的复合过程为 ( ). A: $y=5^u, u=v^2, v=3x+1$ B: $y=u^2, u=5^v, v=3x+1$
函数 $y=5^{(3x+1)^2}$ 的复合过程为 ( ). A: $y=5^u, u=v^2, v=3x+1$ B: $y=u^2, u=5^v, v=3x+1$
(1)u=u_R+u_L+u_C (2)U=U_R+U_L+U_C (3)U=U_R+j(U_L-U_C) (4)U̇=U̇_R+U̇_L+U̇_C (5)U̇=U̇_R+j(U̇_L+U̇_C) 上述公式中正确的是() A: (1)(2)(3)(4) B: (3)(4)(5) C: (1)(4)(5) D: 全都正确
(1)u=u_R+u_L+u_C (2)U=U_R+U_L+U_C (3)U=U_R+j(U_L-U_C) (4)U̇=U̇_R+U̇_L+U̇_C (5)U̇=U̇_R+j(U̇_L+U̇_C) 上述公式中正确的是() A: (1)(2)(3)(4) B: (3)(4)(5) C: (1)(4)(5) D: 全都正确
设全集U=R,集合A=[-2,5),则CᴜA=() A: (-∞,-2) B: (5,+∞) C: (-∞,-2)ᴜ[5,+∞) D: (-∞,-2]ᴜ(5,+∞)
设全集U=R,集合A=[-2,5),则CᴜA=() A: (-∞,-2) B: (5,+∞) C: (-∞,-2)ᴜ[5,+∞) D: (-∞,-2]ᴜ(5,+∞)
输出结果与其他选项结果不同的一项是 A: double answer = (double) 13 / 5; B: double answer = 13 / (double) 5; C: double answer = 13.0 / 5; D: double answer = 13 / 5.0; E: double answer = (double) (13 / 5);
输出结果与其他选项结果不同的一项是 A: double answer = (double) 13 / 5; B: double answer = 13 / (double) 5; C: double answer = 13.0 / 5; D: double answer = 13 / 5.0; E: double answer = (double) (13 / 5);
在晶闸管整流电路中,若有U A: U=U B: U=(2~3)U C: U=(5~10)U D: U≥10U
在晶闸管整流电路中,若有U A: U=U B: U=(2~3)U C: U=(5~10)U D: U≥10U
在MATLAB的Editor中输入下列语句:x=[13;24];y=norm(x(:,2));z=det(x);u=diag(x);v=polyval(u,1);运行后,在CommandWindow中对应y,z,u,v的输出结果为() A: 4 2 [1;2] 3 B: 4 -2 [1;4] 5 C: 5 2 [1;2] 3 D: 5 -2 [1;4] 5
在MATLAB的Editor中输入下列语句:x=[13;24];y=norm(x(:,2));z=det(x);u=diag(x);v=polyval(u,1);运行后,在CommandWindow中对应y,z,u,v的输出结果为() A: 4 2 [1;2] 3 B: 4 -2 [1;4] 5 C: 5 2 [1;2] 3 D: 5 -2 [1;4] 5
在MATLAB的Editor中输入下列语句:x=[1<br/>3;2 4];y=norm(x(:,2));z=det();u=diag();v=polyval(u,1);运行后,在Command<br/>Window 中对应y,z,u,v的输出结果为(<br/>) A: 5 -2 [1;4] 5 B: 5 2 [1;2] 3 C: 4 2 [1;2] 3 D: 4 -2 [1;4] 5
在MATLAB的Editor中输入下列语句:x=[1<br/>3;2 4];y=norm(x(:,2));z=det();u=diag();v=polyval(u,1);运行后,在Command<br/>Window 中对应y,z,u,v的输出结果为(<br/>) A: 5 -2 [1;4] 5 B: 5 2 [1;2] 3 C: 4 2 [1;2] 3 D: 4 -2 [1;4] 5
下列语句中,___________是不正确的Python语句。 A: "I can add integers, like " + str(5) + " to strings." B: "I said " + ("Hey " * 2) + "Hey!" C: "The correct answer to this multiple choice exercise is answer number " + 2 D: True + False
下列语句中,___________是不正确的Python语句。 A: "I can add integers, like " + str(5) + " to strings." B: "I said " + ("Hey " * 2) + "Hey!" C: "The correct answer to this multiple choice exercise is answer number " + 2 D: True + False
Choose the correct answer according to the audio above. A: gǒu B: hǎo C: lǒu D: gǎo
Choose the correct answer according to the audio above. A: gǒu B: hǎo C: lǒu D: gǎo
After-reading exercises 2 Match the questions1-6 with the answer A-G. There is one answer that you will not need.
After-reading exercises 2 Match the questions1-6 with the answer A-G. There is one answer that you will not need.