叠合板表面清理干净后,应在混凝土浇筑前()对节点及叠合面浇水湿润。 A.6h B.1

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问题:

叠合板表面清理干净后,应在混凝土浇筑前()对节点及叠合面浇水湿润。

A.6h

B.12h

C.24h

D.48h

考点:二建公路专业继续教育二建公路专业继续教育题库
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创伤感染后的代谢变化包括。()

A.可导致水、电解质酸碱平衡失调

B.在抗利尿激素和醛固酮的作用下,水、钠潴留,以保存血容量

C.创伤时机体对糖的利用率下降,以发生高血糖、糖尿病

D.脂肪合成增加

E.蛋白质消耗增加,尿氮排出增加,出现负氮平衡

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下列心理学家的理论属于精神分析的社会文化学派范畴的是( )。

A.安娜·弗洛伊德

B.弗洛姆

C.埃里克森

D.霍妮

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旋转喷雾法是()

A.半湿法

B.半于法

C.湿法

D.干法

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A patrol team of sea lions and dolphins featured in a large-scale military exercises being conducted by the U. S. and its allies in the Pacific Ocean. The machine (1) took part in simulated mine recovery and mine detection missions during the biennial Rim of the Pacific Exercise (RIMPAC) war games. The (2) started on June 19 and will run (3) Friday.
"There are a number of mechanical systems that work in those areas. (4) high-tech gadgets deployed by the military can’t (5) the natural skills of dolphins and lions," said Tom Lapuzza, spokesman for UN Navy’s Marine Mammal Program. Sea lions have "incredible good underwater (6) " and can dive down to 300 meters to catch a recovery line to a mine, he said. Dolphins use sonar to (7) mine.
Human beings have a long (8) of training animals to join the military. Horses have been the most widely-used animals (9) the recorded history of (10) . In early times, horses were used to (11) chariots or to (12) armored forces. With the development of modem weapons and motorized (13) , the use of horses for military purposes fell into (14) . (15) , horses were still used (16) by the German army during World War II for transporting (17) and equipment, including artillery.
During World War II, (18) with explosives strapped to their backs were used as anti-tank weapons. In other (19) , they were used for detecting mines. Some dogs were also used as messengers.
Other animals have also (20) in the military. Recorded history shows the use of elephants for military purposes as early as 1,100 B. C.. They were employed during World War II by both the Japanese army and the (21) .
There are records showing that over 100,000 reindeer were used by Finland to tow sleds during World War II. They carried the (22) to hospitals, brought supplies to the troops and moved heavy anti-tank weapons. It is well documented that oxen have been (23) used in war as improvised beasts of burden. During World War II, spiders were employed by the Allies to spin silk for (24) in cross-hairs on bomb scopes and other optical instruments. People also are finding that Vampire bats’ ability to use echolocation is very interesting as we (25) to learn how it works and it may benefit the army.

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