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【单选题】
What have jittery traders done with banks and retailers?A.
They hate banks and retailers.
B.
They have cut their holdings in banks and retailers.
C.
They have increased their holdings in banks and retailers.
D.
They have become more confident in banks and retailers.
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举一反三
【简答题】(),()。旧时王谢堂前燕,飞入寻常百姓家。 ——刘禹锡《乌衣巷》
【单选题】A centrifugal impeller consists of a number of vanes curving ____ from the direction of rotation.
A.
backwards
B.
forwards
C.
upward
D.
downwards
【简答题】请将下面这句话翻译成中文: I work in a supermarket every day.
【单选题】患者，女性，53岁，风湿性心脏病多年，今日突然出现偏瘫，失语。入院检查：神志清楚，脑脊液正常，心电图显示为心房颤动。其最可能是并发了
A.
脑出血
B.
脑栓塞
C.
脑血栓形成
D.
癫痫小发作
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