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【单选题】
餐饮业洗手液的余氯浓度一般应控制在()ppm左右。
A.
30
B.
50
C.
80
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参考答案：
参考解析：
知识点：
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举一反三
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【单选题】氢氟酸泄露时的处理方法错误的是______。
A.
疏散人员到安全区
B.
召集现场附近人员快速到现场救人
C.
喷雾状水防止蒸发
D.
处理人员必须戴好防毒面罩
查看完整题目与答案
【判断题】强直性脊柱炎不能累及内脏。
A.
正确
B.
错误
查看完整题目与答案
【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%.
查看完整题目与答案
【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
查看完整题目与答案
相关题目：
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【单选题】氢氟酸泄露时的处理方法错误的是______。
A.
疏散人员到安全区
B.
召集现场附近人员快速到现场救人
C.
喷雾状水防止蒸发
D.
处理人员必须戴好防毒面罩
查看完整题目与答案
【判断题】强直性脊柱炎不能累及内脏。
A.
正确
B.
错误
查看完整题目与答案
【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%.
查看完整题目与答案
【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
查看完整题目与答案