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【单选题】
下列属于结算机构的作用的是（）A.
直接参与期货交易
B.
管理期货交易所财务
C.
担保交易履约
D.
管理经纪公司财务
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】距离丈量是用 误差来衡量其精度的,该误差是用分子为 的分数形式来表示。
【简答题】距离丈量是用 误差来衡量其精度的,该误差是用分子为 的 形式来表示。
【单选题】I recently wrote an autobiography in which I recalled many old memories. One of them was from my school days, when our ninth grade teacher, Miss Raber, would pick out words from Reader's Digest to tes...
A.
one of the many old memories
B.
using simple words to express profound ideas
C.
Reader's Digest and school speeches
D.
how to make effective speeches
【简答题】完成句子,根据单词的首字母提示完成句子。 1. The determination and patience of the scientists was rewarded in 1996 with a b___________ the cloning of Dolly the sheep. 2. In 1846 the United States d__________war on Mexico ...
【简答题】看图画，完成句子。 The cat is _______ _______ _______. The ball is_______ _______ _______. The book is_______ _______ _______.
【单选题】I briefly recalled for each of them _____ acts performed _____.
A.
special, on my behalf
B.
specific, on my behalf
C.
specifal, for my behalf
D.
specific, for my behalf
【简答题】距离丈量是用 误差来衡量其精度的。
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