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【单选题】
国家标准对内、外螺纹规定了（ ）。A.
中径公差
B.
公差和底径公差
C.
中径公差和公差
D.
中径公差和底径公差
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举一反三
【单选题】Olympic Games function as the stage where heroes are made, records broken and medals earned
A.
奥运会提供了舞台，英雄不断在此诞生，记录不断在此被打破，奖牌不断被摘取
B.
奥运会功能是舞台，主角在此产生，记录被打破，奖牌被赢得
C.
奥林匹克比赛的功能是制造英雄、打破记录、赢取奖牌的阶段
D.
奥运会伴随着英雄的制造，录音的录制和奖牌的赢得
【简答题】试验中观察到,增大呼吸道阻力,可引起呼吸运动 ,呼吸运动的这种变化,被称为 。
【简答题】Olympic s function as the stage where heroes are made, records broken and medals earned.
【简答题】Pay attention to the italicized parts in the English sentences and translate the Chinese sentences by simulating the structure of the English sentences. Olympic s function as the stage where heroe...
【单选题】It's reported the medals for the 2020 Olympic Games in Tokyo __________ from 100% recycled material.
A.
are making
B.
have made
C.
is made
D.
will be made
【简答题】Winning three gold medals is the most remarkable (achieve) ______ he has made so far. 27 、 In order to deal (effective) ______ with the frequent railroad accidents, a special committee has been set up...
【简答题】Two weeks after the opening ceremony, the s are over. The last of the three hundred gold medals has been awarded and the flags of the winners have been raised for the last time. The final is...
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