• 2022-05-27 问题

    下列哪个是早上好的表达?() A: Boa tarde B: Boa noite C: Bom dia

    下列哪个是早上好的表达?() A: Boa tarde B: Boa noite C: Bom dia

  • 2021-04-14 问题

    Read the following sentence: It was a picture of a boa constrictor in the act of swallowing an animal. In this sentence, how many articles are there?

    Read the following sentence: It was a picture of a boa constrictor in the act of swallowing an animal. In this sentence, how many articles are there?

  • 2022-05-28 问题

    Read the following sentence: It was a picture of a boa constrictor in the act of swallowing an animal. In this sentence, which word is a gerund?

    Read the following sentence: It was a picture of a boa constrictor in the act of swallowing an animal. In this sentence, which word is a gerund?

  • 2022-06-12 问题

    汉字“啊”的十进制区位码为“16—01”,它的十六进制机内码是( )。 A: 1601H B: 9081H C: BOA1H D: B081H

    汉字“啊”的十进制区位码为“16—01”,它的十六进制机内码是( )。 A: 1601H B: 9081H C: BOA1H D: B081H

  • 2022-11-03 问题

    若θ是待检验参数,θ₀代表参数θ的某个具体数值。下列假设检验形式写法错误的有()。 A: H₀:θ=1,H₀:θ<1 B: H₀:θ₀=100,H₁:θ₀<100 C: H₀:θ≠1,H₁:θ>1 D: H₀:θ=100,H₁:θ≠100, E: H₀:θ≠1,H₁:θ=1,

    若θ是待检验参数,θ₀代表参数θ的某个具体数值。下列假设检验形式写法错误的有()。 A: H₀:θ=1,H₀:θ<1 B: H₀:θ₀=100,H₁:θ₀<100 C: H₀:θ≠1,H₁:θ>1 D: H₀:θ=100,H₁:θ≠100, E: H₀:θ≠1,H₁:θ=1,

  • 2022-06-28 问题

    ZPW-2000A无绝缘移频自动闭塞系统空芯线圈电感值L=() A: 25μH±1μH B: 25.5μH±1μH C: 33μH±1μH D: 33.5μH±1μH

    ZPW-2000A无绝缘移频自动闭塞系统空芯线圈电感值L=() A: 25μH±1μH B: 25.5μH±1μH C: 33μH±1μH D: 33.5μH±1μH

  • 2022-11-04 问题

    空芯线圈的电感量是() A: 30μH±1μH B: 33.5μH±1μH C: 35μH±1μH D: 33.5μH±5μH

    空芯线圈的电感量是() A: 30μH±1μH B: 33.5μH±1μH C: 35μH±1μH D: 33.5μH±5μH

  • 2022-07-23 问题

    墙、柱的高厚比验算应满足____。 A: β=H0/h≤μ1μ2[β] B: β=H/h≤μ1/μ2[β] C: β=H0/h≥μ1μ2[β] D: β=H/h≥μ1/μ2[β]

    墙、柱的高厚比验算应满足____。 A: β=H0/h≤μ1μ2[β] B: β=H/h≤μ1/μ2[β] C: β=H0/h≥μ1μ2[β] D: β=H/h≥μ1/μ2[β]

  • 2021-04-14 问题

    以下程序的输出结果是( )。 struct HAR { int x, y; struct HAR *p;} h[2]; main(){ h[0].x=1; h[0].y=2; h[1].x=3; h[1].y=4; h[0].p=&h[1]; h[1].p=h; printf("%d %d\n",(h[0].p)->x,(h[1].p)->y); }

    以下程序的输出结果是( )。 struct HAR { int x, y; struct HAR *p;} h[2]; main(){ h[0].x=1; h[0].y=2; h[1].x=3; h[1].y=4; h[0].p=&h[1]; h[1].p=h; printf("%d %d\n",(h[0].p)->x,(h[1].p)->y); }

  • 2022-11-01 问题

    1mH=()H,1μH=()H。

    1mH=()H,1μH=()H。

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