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【单选题】
时间阈值是指能引起组织兴奋的( )作用时间。A.
最长
B.
最短
C.
最迟
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皮皮学刷刷变学霸
举一反三
【单选题】What can be implied from the passage? ______.
A.
Gas and coal are not menace to the temperature change.
B.
Volcanic eruption might affect the world agricultural commodity production.
C.
England suffers its lowest temperature because of the volcanic eruption.
D.
Many other natural disasters also affect the temperature.
【单选题】即付年金现值系数的表述形式是 ( )
A.
（P/A，i，n-1）-1
B.
（P/A，i，n+1）+1
C.
（P/A，i，n-1）+1
D.
（P/A，i，n+1）-1
【简答题】如何理解餐饮服务特点中的无形性、一次性、 差异性、直接性?
【单选题】A compound gage is used to measure _____.
A.
temperature and pressure
B.
humidity and temperature
C.
pressure and vacuum
D.
pressure and humidity
【单选题】Keel coolers fouled with marine growth, will result in _______.
A.
higher raw water temperatures
B.
higher jacket water temperatures
C.
a malfunctioning thermostat
D.
higher fuel temperature
【单选题】The word “ingenious” means ? .
A.
a. clever
B.
b. admirable
C.
c. important
D.
d. useful
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