The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）
If the temperature drops low enough, oil will not flow, （） just tell us the temperature.
If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）
Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.
The (auto)ignition temperature is that temperature atwhich（）.
The humidifier’s valve of air-conditioner should be （）, when the temperature is 5~8°C in the winter.
If the compressor-discharge temperature is higher than the receiver temperature（）
When the temperature of the refrigerant flowing out from the condenser is below the condensing temperature, it is said to be （）.
Complete the sentences with words from the boxes.
In 2012, the top 5 agricultural commodities of America are ( ), cattle, soybeans, dairy products and chickens for meat.
The French tend to buy fresh meat from the supermarket, where they can inspect the piece before purchasing it.
The meat we get from pigs is called _ .
◑What does Sally do in the supermarket?◑A.Working at the meat counter.◑B.Working in the produce section.◑C.Carrying groceries out of the store for customers.◑D.Checking the quality of the milk products.
Sam Wilson stamped the boxes of meat for the army with a large US for______.
（In) warm-blooded animals, their body temperature, regardless of the temperature of the an
The adventurer started ______ at midnight in a temperature of 30°C below zero.
听力原文：W：Well, the atmosphere was nice, but the meat was tough, the potatoes were cold, and the service was terrible
The technology has several advantages earlier attempts to engineer meat in vitro .
The main dish was meat, with _______ vegetables as side dishes. （）
The temperature（be)______110°C,water boils and turns into steam.
Choose the correct letter, A, B, C or D. Write your answer in box 7 on your answer sheet. Which of the following is NOT given as a symptom of premature aging？
From the list below choose the most suitable title for the whole of the Reading Passage. Write the appropriate letter A-D in box 27 on your answer sheet. A Pollution control in coal mining B The greenhouse effect C The coal industry and the environment D Sustainable population growth
In Britin, the dyfter Christms is clled ______.EsterB．New Yer’ s DyC．Boxing DyIn Britin, the dyfter Christms is clled ______.Ester B．New Yer’ s Dy C．Boxing Dy D．Thnksgiving Dy
The himalayan allele in rabbits produces dark fur at the extremities of the body—on the nose, ears, and feet. The dark pigment develops, however, only when a rabbit is reared at a temperature of 25°C
