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【单选题】
中国药典收载的维生素E指A.
右旋-α- 生育酚醋酸酯
B.
消旋-α- 生育酚醋酸酯
C.
右旋-β- 生育酚醋酸酯
D.
消旋-β- 生育酚醋酸酯
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皮皮学刷刷变学霸
举一反三
【单选题】No sooner ______ than she realized that she should have remained silent.
A.
had the words been spoken
B.
the words had been spoken
C.
the words had spoken
D.
had the words spoken
【单选题】She ＿＿＿＿＿＿＿ red with anger as soon as she heard the news.
A.
went
B.
stayed
C.
became
D.
remained
【多选题】以下关于“债券久期”与“债券的票面利率”描述正确的是?
A.
债券期限保持不变，则债券票面利率越高，久期越长。
B.
债券期限保持不变，则债券票面利率越高，久期越短。
C.
票面利率越高，早期支付的现金流权重越大，加权平均的到期时间越短。
D.
债券的票面利率与久期之间存在反向关系。
E.
债券的票面利率与久期之间存在正向关系。
【单选题】以下关于久期的说法正确的是()
A.
对于同期限的债券，债券的票面利率越高，其久期越短
B.
债券的剩余期限越长，其久期越短
C.
久期越大，债券的风险越小
D.
久期是用来衡量信用风险的指标
【简答题】对于长期贴现债券来说，当其他因素不变时，票面利率越低，麦考莱久期及修正的麦考莱久期就越大。（ ）
【单选题】She never trusted him because she always thought of him as such a ______ character.
A.
gracious
B.
suspicious
C.
unique
D.
particular
【单选题】She remained _____ for a while after the movie ended, which made others _____. [ ]
A.
sitting; puzzling
B.
sat; puzzled
C.
seated; puzzled
D.
seated; puzzling
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