混凝土振动机械按其工作方式分为-我要搜题网

Amy Johnson was a very brave and energetic person. She didn’t have much in common with other girls in her school, however. She played football better than most boys, and unfortunately she made a rather bad impression on many of her teachers. Amy just didn’t act the way they thought a girl should. She studied at a university and later took a job as a typist. Although she was enthusiastic (热情的) and did her best, she made many mistakes and was poorly paid. She didn’t want to be a typist anyway, she dreamed of becoming a pilot!
Amy moved to London, borrowed some money, and learned to fly. Nobody, however, wanted to hire a woman pilot. She decided to fly alone to Australia to prove that she could fly as well as any man. Her parents lent her money to buy an airplane.
Amy set off on May 5, 1930. Her route (道路，路线) took her over Vienna, Constantinople, and Baghdad. She was caught in a sandstorm and had to make a sudden landing in the desert. But she lande
A. she was a girl typist
B. she didn’t put her mind into her work
C. she dreamed of being a pilot
D. she failed to type well

查看答案

[单选题] 正常的推断损耗值合格范围为:SM≤( )dB,如熔接估算损耗偏大,必须重新切割光纤线,再次熔接,直至合格为止。
A.0.02
B.0.03
C.0.04
D.0.05

查看答案

[单项选择]根据我国现行《高层建筑设计防火规范》（GB50045-2005）中规定，防火区的分区面积为：一类建筑（）；二类建筑（）；地下室（）
A. 1000㎡；1500㎡；1000㎡
B. 3000㎡；1500㎡：500㎡
C. 1500㎡；1000㎡；500㎡
D. 1000㎡；500㎡；1500㎡

查看答案

[填空题]单相半波可控整流电路带电阻负载情况下,触发角α的移相范围为(　　),这种通过控制触发脉冲的相位来控制直流输出电压的方式称为(　　)

查看答案

[简答题]《高速铁路牵引变电所运行检修规则》中规定，电气设备的检修方式有哪些？

查看答案

[多选题]《铁路旅客运输服务质量规范》规定，各站台设有（）。
A.出站方向标志
B.站名标志
C.站名牌
D.广告牌

查看答案

[单选题]"燃烧灭菌时燃料酒精的浓度应达到
A.0.55
B.0.65
C.0.75
D.0.85
E.0.95

查看答案

[单项选择]男性，61岁，一个月以来厌食、恶心、头晕、乏力伴皮肤黄染。检验：血红蛋白80g／L，网织红细胞5％；红细胞脆性试验轻度增加；尿胆红素阴性，尿胆原强阳性，尿潜血检查阴性，血清总胆红素76．15μmol／L，ALT<40U。拟诊为溶血性贫血假如患者出现酱油样尿，高铁血红蛋白还原试验及荧光点试验（+），可能的诊断是（）
A. 珠蛋白生成障碍性贫血
B. PK酶缺乏症
C. 不稳定血红蛋白病
D. PNH
E. G-6-PD缺乏症

查看答案

[简答题]在连续档距的导、地线上挂软梯的等电位工作，对导地线截面有什么要求？

查看答案

[单选题]矫直同一轧件，辊距越大所需的弯曲力矩( )。
A.越大
B.越小
C.不变

查看答案

[单项选择]G
One morning during breakfast, Robert was reading a letter. "Look, dear," he said to his wife Mary, "someone sent these two tickets for the play this evening. Wasn’t that kind" "Who sent them" asked Mary. "I’ve no idea," said Robert. "There’s a note in the envelope, but it says: ’Can you guess who sent these two tickets to you’" "Well, never mind," said Mary, "I expect one of our friends wants to give us a surprise."
After dinner that evening, Robert and Mary put on their best clothes and went to the play. They had a wonderful evening and came home very grateful (感激) to the unknown friend who had given them the tickets. But when they got back to their flat (公寓), they found that a thief (窃贼) had been there. In fact, everything they owned had been stolen—furniture, pictures, clothes, money and even the knives and forks in the kitchen. At the center of the kitchen table was another note. This one said, "Now can you guess who sent the tickets/A. Right.
B. Wrong.
C. Doesn’t Say.

查看答案

[简答题]Let’s take an example. Suppose that a share of Haier in the Hong Kong Stock Market had a closing price yesterday of HK $ 10, but new information was announced after the market closed that caused a revision in the forecast of price next year to go to HK $15. If the annual equilibrium return on Haier is 20%, what does efficient markets theory indicate the price will go to today when the market opens (Assume that Haier pays no dividends.)

查看答案

[单选题]VPN平台15天不登录,工号会被禁用。( )
A.正确
B.错误

查看答案

[简答题]混凝土振动机械按其工作方式分为

热门试题: