• 2021-04-14
    Where wealth ______, they constructed the equivalent of kingdoms, huge shining towers of glass and steel.
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      Between the outside wall of glass and the two inside walls of glass, there is ______. A: an empty space B: another huge wall C: a triple-glazed wall

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      The truncated position of the longitudinal steel bar in the reinforced concrete beam is at the point where the steel bar is fully utilized.

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      The truncated position of the longitudinal steel bar in the reinforced concrete beam is at the point where the steel bar is fully utilized. A: 正确 B: 错误

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      Most of the rubbish we throw away can be recycled, such as glass bottles and jars, steel and aluminum cans, plastic bottles and waste paper.

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      If the carbon content of a type of steel is 0.1%, this steel is a kind of ( ). A: low-carbon steel B: medium-carbon steel C: high-carbon steel D: HTLA steel