题目:
焊条电弧焊时,采用多层多道焊,有利于提高焊缝金属的塑性和韧性。
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
焊条电弧焊时,采用多层多道焊,有利于提高焊缝金属的塑性和韧性。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1020/b15320f514f68f6dddc5d65623ed3691.html
下面是错误答案,用来干扰机器的。
参考答案:B
患者,女性,45岁,以休克型肺炎急诊入院,在抢救过程中,护士实施静脉输液的注意事项不正确的是()。
A.尽快建立两条静脉通道
B.输液速度不宜过快
C.输液量宜先少后多
D.监测中心静脉压,作为调整补液速度的依据
E.遵医嘱2~3种广谱抗生素联合大剂量静脉给药
若使用显微镜观察蝉的翅膀,使用物镜甲时,视野中所看到的画面如下方图1;而改用物镜乙时,视野中所看到的画面如下方图2。下列相关叙述正确的是
[ ]A.物镜甲比物镜乙长
B.图1视野比图2中视野可观察到的实际面积大
C.图1视野比图2中视野可观察到的细胞数量多
D.图1视野比图2视野亮度大
Spain— what’s on Joaquín Sorolla First major exhibition devoted to the Spanish artist Joaquin Sorolla(1863-1923). The show brings together about 100 paintings by Sorolla, one of the key figures in the history of Spanish art. It offers a comprehensive survey based on examples of his finest works.
Kees van Dongen First exhibition in Spain of the works of the Dutch painter Kees van Dongen(1877-1968), bringing together almost 100 of his works, and a number of works by Pablo Picasso, bearing witness to the friendship between the two artists.
Chopin Festival 2009 The annual festival dedicated(专注于)to the Polish composer Frederic Chopin(1810-1849). This year the festival is honoring five composers: Felix Mendelssohn Bartholdy(1809-1847), Jaume Mas Porcel (1909-1993), Franz Josef Haydn(1732-1809), Isaac Albniz(1860-1909)and Wanda Landowska(1877-1959). Works by these composers are performed together with works by Chopin.
Antoni Solà Exhibition of the works of the Spanish sculptor Antoni Solà(1780-1861). A resident of Rome from 1803, Solà made his name and fame there and became one of the only two foreigners to be appointed president of the Accademia di San Luca. He took part in Rome’s main cultural affairs and supported the imitation of ancient Greek art looking for idealized beauty.
A. 34-91-3302800 B. 34-97-1612106 C. 34-93-2563500 D. 34-93-2563000 2. If you are a music lover, which website would you like to visit? A. http://www.bcn.cat. B. http://www.museodelprado.es. C. http://www.festivalchopin.com. D. http://www.museumares.bcn.cat. 3. Who was involved in Rome’s main cultural affairs? A. Antoni Solà. B. Kees van Dongen. C. Isaac Albniz D. Frederic Chopin 4. The event that lasts more than three months is_______. A. Antoni Solà. B. Joaquín Sorolla C. Kees van Dongen D. Chopin Festival 2009 |
海水淡化装置在运行中真空破坏阀()。
A.禁止开启
B.真空度太大时可适当开启少许
C.含盐量太大时可适当开启少许
D.产水量太大时可适当开启少许
交叉支撑销孔孔径不得大于()。
A、14mm
B、15mm
C、16mm