17.A)Ataninformationservice.B)Atacarwashpoint.C)Atarepairshop.D)Atadrycleaner's.17.mp3

二进制数10111.101对应的十六进制数是 A: 17.A B: 17.5 C: C1.A D: C1.5 E: 23.5 F: 53.5

下面表达式的值为true的是。 A: “17”===17 B: “17”==17 C: “17”！=17 D: “17”!==17

下列表达式,哪个返回值为true? A: "17"===17 B: "18"==17 C: "17"!=17 D: "17"!===17

某班30名学生，他们的年龄如下：16 18 15 17 17 19 16 17 18 1717 17 16 16 15 17 17 16 17 1718 17 16 17 17 16 18 17 17 16

A．61.31.1.0/17 B．661.31.100.0/17 C．1.31.2.0/17 D．61.31.128.0/17

【单选题】17题 A. 17题A B. 17题B C. 17题C D. 17题D

<p style="font-size: medium;white-space: normal;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">8.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px"><span style="font-family:宋体">下列酯在酸性条件下发生水解反应的速度次序是</span></span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">(&nbsp; &nbsp; &nbsp; )</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px"><span style="font-family:宋体">。</span></span></p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">C(CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">)</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH(CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">)</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span>}<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span>_{<span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span>}</p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">A.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;B.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span></p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">C.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;D.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span></p><p><br/></p>

( ) 2.B 3.C 4.A 5.A 6.A 7.A 8.D 9.A 10.B 11.A 12.A 13.A 14.B 15.D 16.B 17.A 18. A: 19. B: 20. C: 21.C 22.C 23. D: 24.D 25.B

以下程序的输出结果是（ ）。 main（ ）{ int k=17; printf("%d, %o, %x n", k, k, k);} A: 17, 0x11, 021 B: 17, 17, 17 C: 17, 021, 0x1 D: 17, 21, 11