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【多选题】
减小目标偏心误差的方法有 ( )A.
照准标志应竖直
B.
尽量瞄准照准标志的底部
C.
尽量瞄准照准标志的中部
D.
减小仪器对中误差
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【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】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...
【多选题】关于检索工具说法正确的是
A.
检索工具是指用以报道、存储和查找文献信息线索的工具。
B.
检索工具应具备以下五个条件：明确的收录范围、完整明了的文献特征标识、每条文献条目中必须包含多个有检索意义的文献特征标识、全部条目科学地、按照一定规则组织成为一个有机整体、和提供多种必要的检索途径
C.
检索工具的类型按著录内容可分为书目、索引、文摘
D.
按出版形式可分为期刊式检索工具、书本式检索工具、附录式检索工具、卡片式检索工具等
【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...
【单选题】The Olympic gold medals are made of _____ covered with a thin layer of gold.
A.
silver
B.
bronze
C.
iron
D.
steel
【简答题】The medals are made of _______.
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