皮皮学，免费搜题
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【单选题】
下列哪种因素不能使蛋白质变性
A.
加热震荡
B.
强酸强碱
C.
盐析
D.
有机溶剂
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参考解析：
知识点：
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【单选题】根据《 2010 年通则》解释,卖方承担责任、费用、风险最小的贸易术语是 ( )
A.
CIF
B.
CIP
C.
EXW
D.
DDP
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【单选题】The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner .
A.
in the event of a flame failure
B.
in the event of a stack fire
C.
when the water level reach the crown sheet
D.
when the feed pump discharge pressure drops to a preset minimum
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【单选题】Parasite power is very useful for applications ______ require remote temperature sensing or that are very space constrained.
A.
what
B.
while
C.
that
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【判断题】我国社会主义经济制度的基础是生产资料的社会主义公有制，即全民所有制和劳动群众集体所有制。
A.
正确
B.
错误
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【单选题】在茶艺服务接待德国客人时，不要向其推荐（）茶点。
A.
花生
B.
核桃
C.
开心果
D.
李干
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【简答题】在茶艺服务接待德国客人时,不要向其推荐( )茶点。
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【单选题】_____ is used for sensing the temperature of the room in the air condition system.
A.
An expansion valve
B.
An evaporator
C.
A thermostat
D.
A condenser
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【单选题】时速 300km及以上动车组列车不超员
A.
300
B.
200
C.
350
D.
250
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【单选题】temperature sensing protective devices operate a control circuit which can ( )the current when the device reaches a predetermined temperature.
A.
switch off
B.
switch on
C.
operate
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【单选题】Temperature sensing protective devices operate a control circuit which can ______the current when the device reaches a predetermined temperature.
A.
switch off
B.
switch on
C.
operate
D.
无
查看完整题目与答案
相关题目：
【单选题】根据《 2010 年通则》解释,卖方承担责任、费用、风险最小的贸易术语是 ( )
A.
CIF
B.
CIP
C.
EXW
D.
DDP
查看完整题目与答案
【单选题】The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner .
A.
in the event of a flame failure
B.
in the event of a stack fire
C.
when the water level reach the crown sheet
D.
when the feed pump discharge pressure drops to a preset minimum
查看完整题目与答案
【单选题】Parasite power is very useful for applications ______ require remote temperature sensing or that are very space constrained.
A.
what
B.
while
C.
that
查看完整题目与答案
【判断题】我国社会主义经济制度的基础是生产资料的社会主义公有制，即全民所有制和劳动群众集体所有制。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在茶艺服务接待德国客人时，不要向其推荐（）茶点。
A.
花生
B.
核桃
C.
开心果
D.
李干
查看完整题目与答案
【简答题】在茶艺服务接待德国客人时,不要向其推荐( )茶点。
查看完整题目与答案
【单选题】_____ is used for sensing the temperature of the room in the air condition system.
A.
An expansion valve
B.
An evaporator
C.
A thermostat
D.
A condenser
查看完整题目与答案
【单选题】时速 300km及以上动车组列车不超员
A.
300
B.
200
C.
350
D.
250
查看完整题目与答案
【单选题】temperature sensing protective devices operate a control circuit which can ( )the current when the device reaches a predetermined temperature.
A.
switch off
B.
switch on
C.
operate
查看完整题目与答案
【单选题】Temperature sensing protective devices operate a control circuit which can ______the current when the device reaches a predetermined temperature.
A.
switch off
B.
switch on
C.
operate
D.
无
查看完整题目与答案