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土壤温度（temperature）状况
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Scarcely _____ above 35℃ in summer in this city.A. the temperature goesB. does the temperature goC. the temperature wentD. did the temperature go
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Sweat damage in a hatch full of canned goods in cartons will occur when the ______．A.Air temperature is higher than the temperature of the cargoB.Air temperature is lower than the temperature of the cargoC.Dew point is higher than the temperature of the cargoD.Dew point is lower than the temperature of the cargo
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Cloud formations are minimal when the ______.A.surface temperature and temperature aloft are equalB.surface temperature and temperature aloft differ greatlyC.barometric pressure is very lowD.relative humidity is very high
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生产上通常将（）作为春玉米开始播种的标准。A、表层土壤温度稳定达到10—12℃B、5—10厘米土壤温度稳定达到10—12℃C、表层土壤温度稳定达到5—10℃D、10—12厘米土壤温度稳定达到5—10℃
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单选题How are the pressure and temperature affected in a diesel engine cylinder during compression?（）A
Pressure and temperature decreaseB
Pressure and temperature increaseC
Pressure decreases and temperature increasesD
Pressure increases and temperature decreases
考题
单选题In terms of pressure and temperature in the refrigerant in the compressor, what happens to the primary?（）A
its pressure and temperature are both loweredB
its pressure and temperature are both raisedC
its pressure is lowered and its temperature is raisedD
its pressure is raised and its temperature is lowered
考题
单选题Ambient temperature is the （）.A
amount of temperature rise with no loadB
temperature of the compartment where the motor is locatedC
normal operating temperature, less the room temperatureD
amount of temperature developed by an operating motor
考题
单选题Reheating a hardening component to a temperature lower than the hardening temperature and then cooling it is known as （）A
low temperature hardeningB
case hardeningC
annealingD
tempering
考题
单选题Cloud formations are minimal when the（）.A
surface temperature and temperature aloft are equalB
surface temperature and temperature aloft differ greatlyC
barometric pressure is very lowD
relative humidity is very high
考题
单选题After a cold front passes，the barometric pressure（）.A
drops，and the temperature dropsB
drops，and the temperature risesC
rises，and the temperature dropsD
rises，and the temperature rises
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