• 2021-04-14 问题

    甲船从179°E 航行至179°W,乙船从1°E 航行至1°W,下列说法正确的是

    甲船从179°E 航行至179°W,乙船从1°E 航行至1°W,下列说法正确的是

  • 2022-05-26 问题

    -1/27,-1,1,27,() A: 256 B: 125 C: 625 D: 3125

    -1/27,-1,1,27,() A: 256 B: 125 C: 625 D: 3125

  • 2022-06-19 问题

    background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg

    background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg

  • 2022-07-29 问题

    液化天然气的体积仅为气态天然气的(),由于液化天然气体积小,适合用船运输。 A: 1/873 B: 1/625 C: 1/362 D: 1/268

    液化天然气的体积仅为气态天然气的(),由于液化天然气体积小,适合用船运输。 A: 1/873 B: 1/625 C: 1/362 D: 1/268

  • 2022-06-04 问题

    1、字母E对应的ASCII为01000101,它的十进制表示为_______ A: 66 B: 67 C: 68 D: 69

    1、字母E对应的ASCII为01000101,它的十进制表示为_______ A: 66 B: 67 C: 68 D: 69

  • 2022-06-01 问题

    179) 设a,b,c是整型变量,以下选项中的赋值表达式错误的是 A: a = 1 = (b = 1) = 1 B: a = (b = 0) * (c + 0) C: a = b = c * 0 D: a = 1 % (b = c == 9) + 46

    179) 设a,b,c是整型变量,以下选项中的赋值表达式错误的是 A: a = 1 = (b = 1) = 1 B: a = (b = 0) * (c + 0) C: a = b = c * 0 D: a = 1 % (b = c == 9) + 46

  • 2022-06-12 问题

    A ship sails from 179ºE to 179ºW. Meanwhile, the other ship sails from 1ºE to 1ºW, which one is correct of the following choices______: A: Both the magnitude and direction of D'long for the two ships are equal B: Both the magnitude and direction of D'long for the two ships are unequal C: The magnitudes of D'long for two ships are equal, but the directions of D'long are unequal D: The magnitudes of D'long for two ships are unequal, but the directions of D'long are equal

    A ship sails from 179ºE to 179ºW. Meanwhile, the other ship sails from 1ºE to 1ºW, which one is correct of the following choices______: A: Both the magnitude and direction of D'long for the two ships are equal B: Both the magnitude and direction of D'long for the two ships are unequal C: The magnitudes of D'long for two ships are equal, but the directions of D'long are unequal D: The magnitudes of D'long for two ships are unequal, but the directions of D'long are equal

  • 2022-07-01 问题

    从图所示的三种材料的拉伸应力-应变曲线,可以得出结论() [img=196x170]17e0b1ef45a20c6.jpg[/img] A: 强度极限σb(1)= σb(2)>; σb(3);弹性模量E(3)>;E(1)>;E(2);延伸率δ(1)>; δ(2)>; δ(3) B: 强度极限σb(2)>;σb(1)>; σb(3);弹性模量E(2)>;E(1)>;E(3);延伸率δ(1)>; δ(2)>; δ(3) C: 强度极限σb(2)>; σb(1)>; σb(3);弹性模量E(3)>;E(1)>;E(2);延伸率δ(1)>; δ(2)>; δ(3) D: 强度极限σb(1)>;σb(2)>; σb(3);弹性模量E(2)>;E(1)>;E(3);延伸率δ(1)>; δ(2)>; δ(3)

    从图所示的三种材料的拉伸应力-应变曲线,可以得出结论() [img=196x170]17e0b1ef45a20c6.jpg[/img] A: 强度极限σb(1)= σb(2)>; σb(3);弹性模量E(3)>;E(1)>;E(2);延伸率δ(1)>; δ(2)>; δ(3) B: 强度极限σb(2)>;σb(1)>; σb(3);弹性模量E(2)>;E(1)>;E(3);延伸率δ(1)>; δ(2)>; δ(3) C: 强度极限σb(2)>; σb(1)>; σb(3);弹性模量E(3)>;E(1)>;E(2);延伸率δ(1)>; δ(2)>; δ(3) D: 强度极限σb(1)>;σb(2)>; σb(3);弹性模量E(2)>;E(1)>;E(3);延伸率δ(1)>; δ(2)>; δ(3)

  • 2022-07-01 问题

    根据图示三种材料拉伸时的应力-应变曲线,得出如下四种结论,请判断哪一个是正确的: A: 强度极限σb(1)=σb(2)>σb(3);弹性模量E(1)>E(2)>E(3);延伸率δ(1)>δ(2)>δ(3); B: 强度极限σb(2)>σb(1)>σb(3);弹性模量E(2)>E(1)>E(3);延伸率δ(1)>δ(2)>δ(3); C: 强度极限σb(3)=σb(1)>σb(2);弹性模量E(3)>E(1)>E(2);延伸率δ(3)>δ(2)>δ(1); D: 强度极限σb(1)=σb(2)>σb(3);弹性模量E(2)>E(1)>E(3);延伸率δ(2)>δ(1)>δ(3);

    根据图示三种材料拉伸时的应力-应变曲线,得出如下四种结论,请判断哪一个是正确的: A: 强度极限σb(1)=σb(2)>σb(3);弹性模量E(1)>E(2)>E(3);延伸率δ(1)>δ(2)>δ(3); B: 强度极限σb(2)>σb(1)>σb(3);弹性模量E(2)>E(1)>E(3);延伸率δ(1)>δ(2)>δ(3); C: 强度极限σb(3)=σb(1)>σb(2);弹性模量E(3)>E(1)>E(2);延伸率δ(3)>δ(2)>δ(1); D: 强度极限σb(1)=σb(2)>σb(3);弹性模量E(2)>E(1)>E(3);延伸率δ(2)>δ(1)>δ(3);

  • 2022-06-07 问题

    已知\( y = {e^{2x + 1}} \),则\( y' \)为( ). A: \( 2{e^{2x + 1}} \) B: \( {e^{2x + 1}} \) C: \( {e^x} \) D: \( (2x + 1){e^{2x + 1}} \)

    已知\( y = {e^{2x + 1}} \),则\( y' \)为( ). A: \( 2{e^{2x + 1}} \) B: \( {e^{2x + 1}} \) C: \( {e^x} \) D: \( (2x + 1){e^{2x + 1}} \)

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