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One way for the region to use water efficiently is to ______.A．develop other enterprises t
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According to the advertisement, Heaven Air believes it is ______ .A．the second biggest in
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______ is used to prevent the entry of sea water to the machinery space.A.A special sealin
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Environment is to us what water is to fish—on no ______ can we live without it!A．propertyB
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The purpose of the passage is to______.A．alert the reader to reduce the water useB．explain
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According to the passage, for many men talking is a means to get______.A．informationB．unde
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Summer is coming.Poor Jack has to___money from his sister to buy an air-condition.
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