皮皮学,免费搜题
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搜题
【单选题】
脂肪酸合成的关键酶是
A.
丙酮酸激酶
B.
乙酰CoA羧化酶
C.
异柠檬酸脱氢酶
D.
6-磷酸葡萄糖脱氢酶
E.
磷酸烯醇式丙酮酸羧激酶
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【单选题】During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?
A.
Reduce the pumping rate by closing the deck filling valve
B.
Close all overflow valves
C.
Place 5 gallon containers under all flange connections in the fuel line
D.
Reduce the pumping rate and sound tanks frequently as the level rises
【单选题】fueling receptacle
A.
加油接收机
B.
燃油接收机
C.
加油转换头
D.
加油接头
【单选题】Upon completion of fueling a gasoline driven vessel it is necessary to ______.
A.
keep ports,doors,windows,and hatches closed
B.
start engines immediately
C.
ventilate before starting engine
D.
None of the above
【单选题】哪个不是在2013年6月18日召开的群众路线教育实践活动工作会议上指出的必须反对的四种作风?
A.
形式主义
B.
C.
个人主义
D.
享乐主义
【单选题】Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil?
A.
Draining it overboard when the vessel gets underway
B.
Placing it in proper disposal facilities
C.
Adding sinking agents and discharging it into the water
D.
Mixing it with dispersants before draining it overboard
【单选题】Which statement is FALSE concerning precautions during fueling operations?()
A.
All engines,motors,fans,etc. should be shut down when fueling
B.
All windows,doors,hatches,etc. should be closed
C.
A fire extinguisher should be kept nearby
D.
Fuel tanks should be topped off with no room for expansion
【判断题】起吊零部件时,有时可用麻绳,铁丝代替钢丝绳。A. 对 B. 错
A.
正确
B.
错误
【判断题】强直性脊柱炎不能累及内脏。
A.
正确
B.
错误
【单选题】关于强直性脊柱炎(AS)的论述,错误的是
A.
多见于青少年
B.
以中轴关节的慢性炎症为主
C.
不可能累及内脏及其他组织
D.
X线片表现骶髂关节明显破坏或脊柱呈'竹节样'变化
E.
HLA-B27的阳性率为90%.
【单选题】In the United States, the fueling stations offering for filling natural gas have reached to ______.
A.
1,300
B.
500
C.
1,500
D.
2,500
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