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【单选题】
Most hydraulic steering gears are fitted with relief valves which .A.
function when the rudder is amidships
B.
relieve excess whip pressure from the hydraulic oil system
C.
protect the piping assembly from external rudder shock
D.
relieve excessive telemotor pressure
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【单选题】在大腿中部扎止血带，松紧适度能阻断浅静脉血流，嘱病人快速下蹲20次，如曲张静脉明显减退，说明
A.
深静脉交通支瓣膜功能不全
B.
大隐静脉入股静脉处瓣膜功能不全
C.
大隐静脉入股静脉处瓣膜功能良好
D.
深静脉通畅良好
E.
深静脉阻塞
【单选题】在大腿中部扎止血带，松紧适度能阻断浅静脉血流，嘱病人快速下蹲20次，如曲张静脉明显减退，说明
A.
深静脉交通支瓣膜功能不全
B.
大隐静脉人股静脉处瓣膜功能不全
C.
大隐静脉入股静脉处瓣膜功能良好
D.
深静脉通畅良好
E.
深静脉阻塞
【多选题】下列有关预压法的论述中哪些是正确的______
A.
堆载预压和真空预压均属于排水固结
B.
堆载顶压使地基土中的总压力增加，真空预压总压力是不变的
C.
真空预压法由于不增加剪应力，地基不会产生剪切破坏，可适用于很软弱的黏土地基
D.
袋装砂井或塑料排水板作用是改善排水条件，加速主固结和次固结
【多选题】The advantages of using competency-based job analysis include( ).
A.
Support building a High Performance Work System
B.
Maintain a strategic focus in selecting workers
C.
Determine more scientific criteria to measure worker's performance
D.
Ensure continuous and stable increase of all workers' wages
E.
Achieve the company's strategic goal of reducing operating costs
【简答题】用伏安法测量电阻时,当被测电阻远远 电流表内电阻时,宜采用电流表内接的测量电路;当被测电阻远远 电压表的内电阻时,宜采用电流表外接的测量电路.
(填“大于”、“小于”或“等于”)
【单选题】The FIT shoes exhibition
A.
popularized the lexicon of shoe style.
B.
pitched so high that only a few could appreciate it.
C.
reflected the changes in modem lives.
D.
shows women’s sexual power over men.
【单选题】Which of the following did the researchers find according to paragraph 4?
A.
Moths could only pick out real flowers, not the artificial ones.
B.
Moths picked out the correct flowers by their brightness.
C.
Moths couldn't tell the difference between blue flowers and gray flowers.
D.
Moths picked out the correct flowers by their color.
【多选题】对于可能产生负摩阻力的预制桩，下列（）项的做法是不正确的。（）
A.
对淤泥质土先进行设置塑料排水板固结后再沉桩
B.
对中性点以上的桩基进行减摩处理
C.
需填土的地基先沉桩后填土
D.
对非挤土沉桩应采取控制沉桩速率
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