问题
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When the temperature of the refrigerant flowing out from the condenser is below the condensing temperature, it is said to be _____.
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Lightning is a ________ of electrical current from
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How do you treat someone suffering from electrical shock after you secure the source? .A.c
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Air or noncondensable gas is removed from a refrigeration system by a .A.separating chambe
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______of milk is left in the refrigerator. You need to buy______from the supermarket.A.Som
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It can be inferred from Paragraph Five that______.A.the ESFI inspects household electrical
最新题目
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心理护理原则包括A.以人为中心的原则B.个体化原则C.治疗性原.....
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The boys and girls dreamed of _____ beaches and sea sides in Fort Lauderdale.A.goldB...
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The machines are made _____ at full speed.A.workB.workingC.to workD.to be worked..
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Scientists found that when certain parts of the brain were _____ we lost the ability ..
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He must have been very nervous when speaking. Did you _____ that his hand was shaking..
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Her voice is _____.A.loudB.aloudC.loudlyD.loudness..
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