试题与答案

下列词语中,字形与划线字的读音全都正确的一组是[ ] A.装帧原形毕露埋(mái)

题型:选择题

题目:

下列词语中,字形与划线字的读音全都正确的一组是
[ ]
A.装帧原形毕露(mái)怨大腹便(pián)便
B.更迭返躬自问(gǔ)(jiǎo)枉过正
C.精粹家长里短(dìng)正(xián)三尺
D.粉沫旁征博引(dài)捕飞来(hèng)祸

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:根据《气体灭火系统设计规范》(GB 50370—2005)。由公式(3.3.14—1)知,防护区七氟丙烷灭火设计用量为:由公式(3.3.14—1)知:S=0.1269+0.000513T=0.1269+0.000513×20=0.13716由附录B知...

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题型:填空题

根据短文内容和所给的首字母,写出短文中所缺的单词,使短文完整、合乎情景。

     Hi everyone, I've been in Xuzhou for over a week now. I'm having a (1) g______ 56 time. During the

first (2) f______ days I visited some tourist attractions-Yunlong Lake, Yunlong Hill, Guishan Han Tomb

(汉墓), etc. Most (3) p______ were crowded with tourists, so yesterday I went shopping and I (4) b______

some souvenirs. Today I went to an interesting art gallery. I got lost on my (5) w______  back to the hotel,

but it didn't matter- I found a really good market (6) w______  lots of small shops. I ate in the hotel the first

night, but usually I go out and have dinner in a restaurant (7) b______  the food is fantastic. I've (8) s______ 

a lot of money, but it's certainly worth it. I like people in Xuzhou. They are (9) s______  nice people! I've

taken many photos so you'll be able to see (10) f______  yourself when I come back home next Wednesday.

See you then!

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题型:选择题
电气化铁路的输电线常用图所示的方式悬挂在钢缆上.钢缆的A端固定在电杆上,B端连接在滑轮组上.滑轮组由a、b、c三个滑轮构成,配重P由多个混凝土圆盘悬挂在一起组成,配重的总重为G,若不计摩擦和滑轮的重量,则以下说法中正确的是(  )

A.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G

B.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为G

C.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G

D.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为G

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