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举一反三
【多选题】下列有关事故树的符号及其意义的说法，错误的是（）。
A.
事故树采用的符号有事件符号、逻辑与门符号和转移符号
B.
特殊事件用菱形符号表示
C.
或门表示仅当所有输入事件都发生时，输出事件才发生的逻辑关系
D.
非门表示输出事件是输入事件的对立事件
E.
转出符号表示向其他部分转出，△内记入向何处转出的标记
【简答题】电力变压器上层油温的最高允许温度是怎样规定的？
【单选题】【R3】 THE BUSH CROWD BRISTLES AT THE USE OF THE 'Q-WORD'—QUAGMIRE(沼泽)—TO DESCRIBE AMERICAN INVOLVEMENT IN IRAQ. BUT WITH OUR SOLDIERS FIGHTING AND DYING WITH NO END IN SIGHT,WHO CAN DENY THAT MR. BUSH ...
A.
IT WAS AN IMMATURE DISPLAY OF STREET-CORNER MACHISMO(男子气概)THAT APPALLED PEOPLE FAMILIAR WITH THE AGONIZING ORDEALS OF COMBAT.
B.
THE AMERICAN DEATH TOLL IN IRAQ AT THAT POINT WAS ABOUT 200, BUT IT WAS CLEAR THAT A VICIOUS OPPOSITION WAS DEVELOPIN G.
C.
THIS IS ANOTHER EXAMPLE OF THE ADMINISTRATION'S INABILITY TO DISTINGUISH BETWEEN A STRATEGY AND A WIS H.
E.
SOME WERE LITTLE MORE THAN CHILDREN WHEN THEY SIGNED UP FOR THE ARMED FORCES,LIKE RAMONA VALDEZ, WHO GREW UP IN THE BRONX AND WAS JUST 17 WHEN SHE JOINED THE MARINES. E. THE LATEST FANTASY OUT OF WASHINGTON IS THAT AMERICAN-TRAINED IRAQI FORCES WILL ULTIMATELY BE ABLE TO DO WHAT THE AMERICAN FORCES HAVE NOT:DEFEAT THE INSURGENCY AND PACIFY IRAQ.
F.
THAT HAS NOT BEEN THE CASE,WHICH IS WHY WE CAN EXPECT TO REMAIN STUCK IN THIS TRAGIC QUAGMIRE FOR THE FORESEEABLE FUTUR E.
【单选题】（ ）TheDoor was__________and I could not see who she was talking t0．
A.
shut
B.
shutted
C.
shutting
D.
being shut
【简答题】Dear Mr. Johnson, We're inviting you to have a meeting at 9 a.m. on April 15th. The meeting will be held in the First Meeting Room. We will discuss details of the contract at the meeting. If you have ...
【单选题】【R1】 THE BUSH CROWD BRISTLES AT THE USE OF THE 'Q-WORD'—QUAGMIRE(沼泽)—TO DESCRIBE AMERICAN INVOLVEMENT IN IRAQ. BUT WITH OUR SOLDIERS FIGHTING AND DYING WITH NO END IN SIGHT,WHO CAN DENY THAT MR. BUSH ...
A.
IT WAS AN IMMATURE DISPLAY OF STREET-CORNER MACHISMO(男子气概)THAT APPALLED PEOPLE FAMILIAR WITH THE AGONIZING ORDEALS OF COMBAT.
B.
THE AMERICAN DEATH TOLL IN IRAQ AT THAT POINT WAS ABOUT 200, BUT IT WAS CLEAR THAT A VICIOUS OPPOSITION WAS DEVELOPIN G.
C.
THIS IS ANOTHER EXAMPLE OF THE ADMINISTRATION'S INABILITY TO DISTINGUISH BETWEEN A STRATEGY AND A WIS H.
E.
SOME WERE LITTLE MORE THAN CHILDREN WHEN THEY SIGNED UP FOR THE ARMED FORCES,LIKE RAMONA VALDEZ, WHO GREW UP IN THE BRONX AND WAS JUST 17 WHEN SHE JOINED THE MARINES. E. THE LATEST FANTASY OUT OF WASHINGTON IS THAT AMERICAN-TRAINED IRAQI FORCES WILL ULTIMATELY BE ABLE TO DO WHAT THE AMERICAN FORCES HAVE NOT:DEFEAT THE INSURGENCY AND PACIFY IRAQ.
F.
THAT HAS NOT BEEN THE CASE,WHICH IS WHY WE CAN EXPECT TO REMAIN STUCK IN THIS TRAGIC QUAGMIRE FOR THE FORESEEABLE FUTUR E.
【单选题】【R4】 THE BUSH CROWD BRISTLES AT THE USE OF THE 'Q-WORD'—QUAGMIRE(沼泽)—TO DESCRIBE AMERICAN INVOLVEMENT IN IRAQ. BUT WITH OUR SOLDIERS FIGHTING AND DYING WITH NO END IN SIGHT,WHO CAN DENY THAT MR. BUSH ...
A.
IT WAS AN IMMATURE DISPLAY OF STREET-CORNER MACHISMO(男子气概)THAT APPALLED PEOPLE FAMILIAR WITH THE AGONIZING ORDEALS OF COMBAT.
B.
THE AMERICAN DEATH TOLL IN IRAQ AT THAT POINT WAS ABOUT 200, BUT IT WAS CLEAR THAT A VICIOUS OPPOSITION WAS DEVELOPIN G.
C.
THIS IS ANOTHER EXAMPLE OF THE ADMINISTRATION'S INABILITY TO DISTINGUISH BETWEEN A STRATEGY AND A WIS H.
E.
SOME WERE LITTLE MORE THAN CHILDREN WHEN THEY SIGNED UP FOR THE ARMED FORCES,LIKE RAMONA VALDEZ, WHO GREW UP IN THE BRONX AND WAS JUST 17 WHEN SHE JOINED THE MARINES. E. THE LATEST FANTASY OUT OF WASHINGTON IS THAT AMERICAN-TRAINED IRAQI FORCES WILL ULTIMATELY BE ABLE TO DO WHAT THE AMERICAN FORCES HAVE NOT:DEFEAT THE INSURGENCY AND PACIFY IRAQ.
F.
THAT HAS NOT BEEN THE CASE,WHICH IS WHY WE CAN EXPECT TO REMAIN STUCK IN THIS TRAGIC QUAGMIRE FOR THE FORESEEABLE FUTUR E.
【多选题】在故障树分析中，逻辑门只描绘事件间的逻辑因果关系，下列叙述中正确的是（）。
A.
与门表示至少一个输入事件发生时，输出事件就发生
B.
或门表示仅当所有输入事件发生时，输出事件才发生
C.
异或门表示仅当单个输人事件发生时，输出事件才发生
D.
禁门表示仅当条件事件发生时，输人事件的发生方导致输出事件的发生
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