ZXA10 F820直流电源板的接线端子分别为().A.+48V B.-48V C.

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问题:

ZXA10 F820直流电源板的接线端子分别为().

A.+48V

B.-48V

C.-48地

D.PE

考点:通信工程师EPON综合试题EPON综合试题题库
题型:多项选择题
It was the middle of my third grade, and I always lied for no reason about many things. Later, I realized that I was labeled(标签为) a liar, and my parents did not_____ me. Therefore, I promised to_____telling lies.
A few days later, my sister and I were invited to spend the weekend with my aunt. On that day, someone took one of Aunt Kim’s erasers and_____it across the top of the TV. The eraser ruined the shiny_____of the TV. When Aunt Kim discovered the destrction, all three of us were called into the TV room and asked to tell the____. Nobody did! The next thing I knew was that she was on the phone with my parents and they were on their way to____ me up.
It must be me! I was the_____. I was taken home and sent to my room. I begged them to believe that I was innocent, but no one______.
I stayed in my room the rest of that day. My parents_____let me out for dinner. And then there was a knock at the front door. Aunt Kim was standing there. It turned out that my younger sister finally felt_____! She_____that she was the one who rubbed the eraser on the TV. Aunt Kim had come to get me. I was invited back!
I don’t even remember being_____at my sister. I learned a valuable lesson about lying. A liar is not believed when he tells the truth.No matter how big or_____your lie is, once you are labeled a liar, _____trust takes a lot of work and time. I promised myself right then_____to lie again.
小题1:
A.understandB.careC.trustD.like
小题2:
A.beginB.continueC.tryD.stop
小题3:
A.rubbedB.threwC.washedD.cleaned
小题4:
A.backB.surfaceC.pictureD.shape
小题5:
A.answerB.secretC.resultD.truth
小题6:
A.lookB.giveC.pickD.ring
小题7:
A.makerB.thiefC.liarD.criminal
小题8:
A.receivedB.listenedC.obeyedD.wanted
小题9:
A.quicklyB.graduallyC.finallyD.immediately
小题10:
A.angryB.guiltyC.movedD.frightened
小题11:
A.admittedB.refusedC.promisedD.argued
小题12:
A.sadB.coldC.cruelD.mad
小题13:
A.cleverB.goodC.badD.small
小题14:
A.earningB.makingC.wastingD.losing
小题15:
A.sometimesB.proudlyC.neverD.carefully
题型:多项选择题

假定从键盘上输入"3.6,2.4<回车>",下面程序的输出结果是( )。
#include <math.h>
main()
float x,y,z;
scanf("%f,%f",&x,&y);
z=x/y;
while(1)
if(fabs(z)>1.0)
x=y;
y=z;
z=x/y;
else break;

printf("%f\n",y);

A.1.500000
B.1.600000
C.2.000000
D.2.400000

题型:多项选择题

脑干听觉诱发电位的基本波形()

A.腕刺激在Erb点可记录到N9波

B.有N75、P100、N145等主波,其中,N75的波幅最大

C.有N75、P100、N145等主波,其中,P100的波幅最大

D.有N75、P100、N145等主波,其中,N145的波幅最大

E.典型的波为Ⅰ~Ⅴ波

题型:多项选择题

下列仪器中,常用物质分离的是(  )

①容量瓶;②蒸馏烧瓶;③漏斗;④燃烧匙;⑤天平;⑥分液漏斗;⑦胶头滴管;⑧蒸发皿.

A.①③⑤

B.②④⑦

C.①②⑥

D.②③⑥⑧

题型:多项选择题

统筹兼顾是科学发展观的()。

A、第一要义

B、核心

C、基本要求

D、根本方法

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