The glass bottle is most suitable form aking( ).

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The glass bottle is most suitable form aking( ).

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The primary purpose of the glass envelope of an x-ray tube is to_____.

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There isn‘t water in the bottle.

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Here are two same glasses. One is empty. There is a metal spoon in the other glass. When we pour 100℃ hot water into the glasses, which one is easier to break than the other one? （）

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The disposal into the sea of glass, packing materials within special areas, .A. the distance from the nearest land is not less than 6 nautical milesB. the distance from the nearest land is not less than 12 nautical milesC. the distance from the nearest land is not less than 24 nautical milesD. is prohibited

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