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On opposite ends of a single shaft of a turboblower are a gas driven _____ and a air compr
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The Old New England villages have changed relatively little______a gas station or two in r
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The _____ compressor and its electrical motor are entirely housed in a gas-tight casing.A.
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Researchers discovered that plants______with a virus give off a gas that activates disease
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When filled with a gas______ lighter than air, a balloon becomes buoyant and rises.A．muchB
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_________(57)A.things B.chemicals C.water D.air
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The difference between a liquid and a gas is obvious【46】______the conditions of temperatur
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