在不知顶升重物重量的情况下,为省力可以加长千斤顶压把。

题型:判断题

问题:

在不知顶升重物重量的情况下,为省力可以加长千斤顶压把。

考点:水轮机检修工考试中级水轮机检修工中级水轮机检修工题库
题型:判断题

如图所示是实验室制取气体常用的实验装置,回答下列问题:

(1)仪器a的名称是______.

(2)写出实验室用A装置制取氧气的化学方程式______;用A装置制取氧气时,导管不能伸入试管内过长的原因是:______,若用C装置收集O2,验证集气瓶中装满氧气的方法是:______.

(3)实验室用石灰石和稀盐酸反应制取二氧化碳的化学方程式为______;收集该气体应选择的装置是______(填装置序号),写出检验二氧化碳气体的化学反应方程式______.

题型:判断题

Years after throwing a bottle-up note into a lake for a class project and just one year after his death, a man’s childhood message was found and returned to his mother.

Eleven years ago, a then 10-year-old boy, Joshua Baker, wrote the message, folded and put it in an empty container, his mother, Maggie Holbrook said. He died last February in a motor vehicle accident in California. He had recently returned after a serving in the Middle East as a US marine. “I think he was just letting us know he was OK and keep doing what we are doing.” Holbrook said.

The message surfaced in White Lake in late April, just days after the 11th anniversary of its being thrown into the lake. It was found by one of Baker’s closest friends, Steve Lieder, she said. Lieder and two friends were chatting near the lake when Lieder looked down and saw the bottle. He broke it open and found the note inside.

“My name is Joshua Baker. I am 10. If you find this, put it on the news. The date is 4/16/98.” They immediately took it to Holbrook, who said she is now having the note preserved and will display it in her home.

She can remember when her son wrote the message for the school project. She said she always wondered why he didn’t put it in the nearby Wolf River, which has a much stronger current.

“I still remember the day he wrote it, ” Holbrook said. “I couldn’t understand why he threw I in the lake. No one would never see it again. Now I know.”

小题1:What was Joshua Baker when he died in motor vehicle accident in California?

A.An official

B.A soldier

C.A worker

D.A teacher小题2: Which of the following statements is correct according to the passage?

A.The man threw the bottle into the lake without any purpose.

B.The man didn’t put the bottle into the nearby river because it had a strong current.

C.Not until recently did his mother understand why he put the bottle into the lake.

D.The man made the bottle-up note so as to let his parents know he was OK.小题3:The best title for this passage would be___.

A.A man’s Bottle Message Found After His Death

B.A Ridiculous and Unbelievable Bottle Message

C.A Strange Bottle-up Note Appearing In a Lake

D.An Important Childhood Message 11 Years After His Death

题型:判断题

张三是某股份有限公司的控股股东,其经常作为一方当事人与公司进行交易,一般是以远低于市场价的价格将公司的财产出售给张三或者是以高于市场价的价格买进张三的个人财产。其结果导致公司严重亏损无法清偿债权人的债权,则下列说法正确的有( )。

A.在公司不能清偿债权人的债权时,债权人可以要求张三承担连带责任

B.在公司不能清偿债权人的债权时,债权人可以要求公司的其他股东承担连带责任

C.在公司不能清偿债权人的债权时,张三以其出资额为限承担有限责任

D.在公司不能清偿债权人的债权时,公司的其他股东以其出资额为限承担有限责任

题型:判断题

下列各项中,属于法定禁止背书的情形有( )

A.被拒绝承兑

B.被拒绝付款

C.超过提示付款期限

D.变造

题型:判断题

三角形内角和等于1800是欧几里德提出的重要定理。但后来科学家发现,在球形凸面上,三角形内角和大于1800。这表明()

A.真理是具体的、有条件的

B.真理与谬误没有明显界限

C.真理性的认识是不存在的

D.真理是主观的

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