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基础体温(basal body temperature，BBT)
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Which of the following statements about the warm-blooded mammals is true according to the text?A. They can change their environments.B. They can adjust body heat to keep their ideal temperature.C. They can make food from chemicals.D. They get most of their heat from the environment.
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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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How the Body Keeps the Same TemperatureThe temperature of your body should always be the same if you are fine,no matter whether the weather is hot or cold.That is why the doctor tests your temperature with a thermometer when you are sick.Normally, your body teniperature is ninety-eight point six degrees Fahrenheit.If it is_______(51)than that,it is a stire sign that something is wrong with your body.Your body keeps the same temperature all the time,because it balances the heat it produces and theheat it_______(52)off. It is always burning up food and producing heat.It can produce heat faster when the body needs or give off heat faster when the body becomes too warm.Let's see_______(53) this works.The heat of your body is given off chiefly through the skin.When you feel_______(54),your skin is tight and shows"goose flesh".When you feel chilly,you must_______(55)around to keep warm._______(56)your muscles begin to work,bum up fuel and produce more heat.It is not_______(57)toshiver,so you usually prefer warming up by taking exercise,or put_______(58)more clothes to keep warm。When you get warm,the skin is loose and soft. It is so supplied_______(59)blood that heat is giv-en off rapidly. If you get too warm,you begin to sweat and_______(60)body heat is used in evaporating the, moisture in your body.In warm_______(61)or warm rooms,you wear less clothing,_______ (62)heat can be given off freely. You prefer less exercise because your body is warm_______(63),and the extra heat produced by taking too much exercise makes you uncomfortable.Now you see why you_______(64)differently in different kinds of weather. In summer,when it is hot,you feel tired and lazy.You do not care to work or play,but enjoy lying down and doing nothing. When you get out of door in winter,the cold air makes you feel_______(65).You want to run and play._________(61)A:weatherB:climateC:circumstanceD:environment
考题
单选题Since heat will not flow freely from a body at a （） temperature to another at a （） temperature, it is necessary to expend mechanical work, heat, or electrical energy from an external source to achieve refrigeration.A
lower；higherB
shallower；deeperC
larger；smallerD
higher；lower
考题
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
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单选题Symptoms of heat stroke are（）.A
cold and moist skin，high body temperatureB
cold and dry skin，low body temperatureC
hot and moist skin，high body temperatureD
hot and dry skin，high body temperature
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单选题Humans, like many other animals, are warm-blooded with a fairly constantly body temperature.A
HumansB
likeC
withD
fairly constantly
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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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单选题不孕患者月经正常，BBT（基础体温）双相型，输卵管通畅，应选的检查是（ ）。A
B
C
D
E
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