磁力起动器的主要功能特点包括()。A.具有失电压或欠电压保护作用 B.具有短路保护功

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问题:

磁力起动器的主要功能特点包括()。

A.具有失电压或欠电压保护作用

B.具有短路保护功能

C.动作迅速,可频繁操作

D.具有延时动作的过载保护作用

考点:造价工程师建设工程技术与计量(安装)建设工程技术与计量(安装工程部分)
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A painting by Chinese artist Qi Baishi set a record for modern art and calligraphy (书法) on the mainland when it sold for 425.5 million yuan at an auction (拍卖) on May 22. The sale was a  milestone (里程碑) in the auction of modern and contemporary artworks.

The price meant its value had risen more than 2,000 per cent in six years . The work , Eagle standing on pine tree with four-character coupleti(对联), measures about 2.6 metres by 1 metre . It was the second highest price paid for an artwork on the mainland . A Song dynasty work by Huang Tingjian was sold for 436.8 million yuan in 2010 . Qi’s painting was finished in 1946 when Qi was 86 , and was his largest work . With a starting price of 88 million yuan , it attracted nearly 50 bids(出价)in half an hour . Shanghai businessman Liu Yiqian said that the work had belonged to him and had cost less than 20 million yuan in 2005 . The auction company said the work was brought back to the mainland after being bought from a private owner in San Francisco six years ago .

China ranked first in global art sales last year , ahead of the United States and Britain . Four Chinese artists were among the top 10 in worldwide sales : Qi Baishi , Zhang Daqian , Xu Beihong and Fu Baoshi . Qi’s works ranked second in sales to Pablo Picasso’s last year . Qi was born into a peasant family in Hunan in 1864 . He taught himself to paint and focused on nature including plants , insects , birds and fish . He is mostly well-known for his paintings of shrimps . In 1953 , he was elected president of the Association of Chinese Artists . He died in Beijing in 1957 .

小题1:What’s the best title of the text ?

A.Qi Baishi’s Painting Was Discovered .

B.Qi Baishi’s Painting Was Brought Back .

C.Qi Baishi’s Painting Sets an Auction Record .

D.The Value of Qi Baishi’s Paintings Is on the Increase .小题2:Whose artwork sold for the highest price on the mainland ?

A.Qi Baishi’s .

B.Huang Tingjian’s .

C.Xu Beihong’s .

D.Zhang Daqian’s .小题3:The auction price of Qi’s painting was        million yuan higher than the starting price in the auction .

A.337.5 .

B.348.8 .

C.50 .

D.11.3 .小题4:Which of the following is TRUE ?

A.Qi finished the painting when he was young .

B.The painting was once stolen by an American .

C.The owner of this painting Liu Yiqian gained a lot of money .

D.Pablo Picasso’s works ranked second in sales to Qi’s last year .小题5: The text is most probably taken from a        .

A.computer book

B.library guide

C.technology magazine

D.newspaper report

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不论是哪一种传质过程,固液萃取总是()由液相主体向固相的扩散,及溶质自固体内部向溶液的扩散。

A.萃取剂

B.吸收剂

C.溶剂

D.液体

题型:多项选择题

船舶机械进行油液监测的目的主要是()

A.诊断故障

B.对维修期进行展期

C.分析润滑油质量

D.状态监控

题型:多项选择题

中国工程咨询业的行业管理,包括行政性管理和()。

A.财务性管理

B.技术性管理

C.资质性管理

D.自律性管理

题型:多项选择题

右图为雌性高等动物性激素分泌的调节示意图。请根据图示回答下列问题。

当血液中的雌激素和孕激素达到一定水平时,反过来会影响()和①()(填腺体名称)的分泌活动,这种调节方式称为()。

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