危机保安器超速试验时动作转速偏高,应将调整螺母调紧。

题型:判断题

问题:

危机保安器超速试验时动作转速偏高,应将调整螺母调紧。

考点:集控值班员考试汽机运行汽机运行题库
题型:判断题

灵宝背靠背一期工程功率从西北送向华中时直流电压为()。

A.正

B.负

C.负120kV

D.125kV

题型:判断题

水箱恒定自由出流如图18-6-24所示,管路由三条直径分别为d1=75mm,d2=40mm,d3=50mm的管子依序串联而成,水箱水面至管出口水位差H=4.0m,不计能量损失,则1管和2管的速度分别为()。

A.5.90m/s、11.07m/s 

B.3.94m/s、13.83m/s 

C.5.90m/s、13.83m/s 

D.3.94m/s、11.07m/s

题型:判断题

SARS病毒主要侵入的是人体哪个器官?

题型:判断题

“牛顿的发现,给人类带来从未有过的自信。曾经匍匐在上帝脚下的人类,终于大胆地抬起头来,开始用自己理性的眼光打量世界。”这表明牛顿的发现()

A.推动了天文学的发展

B.使人类彻底摆脱了神学的影响

C.促进了人类的思想解放

D.使人类开始关注现实世界

题型:判断题

Millions of Americans and foreigners see GI.Joe as a mindless war toy, the symbol of American military adventurism, but that’ s not how it used to be. To the men and women who (1) in World War I1 and the people they liberated, the GI. was the (2) man grown into hero, the pool farm kid torn away from his home, the guy who (3) all the burdens of battle, who slept in cold foxholes, who went without the (4) of 1hod and shelter, who stuck it out and drove back the Nazi reign of murder. This was not a vohmteer soldier, not someone well paid, (5) an average guy, up (6) the best trained, best equipped, fiercest, most brutal enemies seen in centuries.

His name is not much. GI. is just a military abbreviation (7) Govermnent Issue, and it was on all of the article (8) to soldiers. And Joe A common name for a guy who never (9) it to the top. Joe Blow, Joe Magrae... a working class name.The United States has (10) had a president or vieepresident or secretary of state Joe.

GI. Joe had a (11) career fighting Geman, Japanese, and Korean troops. He appears as a character, or a (12) of American personalities, in the 1945 movie The Story of GL Joe, based on the last days of war correspondent Ernie Pyle. Some of the soldiers Pyle (13) portrayde themselves in the fihn. Pyle was famous for covering the (14) side of the warl, writing about the dirt-snow-and-mud soldiers, not how many miles were (15) or what towns were captured or liberated. His reports (16) the "willie" cartoons of famed Stars and Stripes artist Bill Maulden. Both men (17) the dirt and exhaustion of war, the (18) of civilization that the soldiers shared with each other and the civilians: coffee, tobacco, whiskey, shelter, sleep. (19) Egypt, France, and a dozen more countries, G. I. Joe was any American soldier, (20) the most important person in their lives.

16()

A.paralleled

B.counteracted

C.duplicated

D.contradicted

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