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【单选题】
下列各项临床表现中最不支持心绞痛诊断的是A.
疼痛多在睡眠中发生
B.
含服硝酸甘油,疼痛在3~5分钟内缓解
C.
疼痛在劳累时发生,运动、情绪激动可诱发
D.
反复出现的局限性心前区刺痛,每次持续仅2~3秒
E.
疼痛休息时发生,持续可达30分钟以上
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【单选题】______ for your advice, I would not have accepted the job.
A.
Not being
B.
Without being
C.
Not having been
D.
Had it not been
【单选题】Without your advice , we ________ this work so well.
A.
will not do
B.
can not do
C.
would not have done
D.
did not do
【单选题】Your advice was a great help to us, without which all our efforts .
A.
wouldn’t pay off
B.
hadn’t paid off
C.
wouldn’t have paid off
D.
didn’t pay off
【简答题】Without your advice, our meeting___( not be) so successful.
【单选题】Without your timely advice and help, we______so much.
A.
will never achieve
B.
could hardly achieve
C.
can't have achieved
D.
wouldn't have achieved
【单选题】关于辐射定标的数量关系，下列描述正确的是
A.
场地辐射定标过程中，需要借助定标场，来求解增益和偏置
B.
场地辐射定标过程中，需要已知的增益和偏置，求解定标场目标辐射亮度
C.
线性定标关系中，偏置乘以DN值，再与增益相加，可得到辐射亮度
D.
线性定标关系中，偏置乘以DN值，即可得到辐射亮度
【简答题】骨连结是指骨与骨之间的连结装置称骨连结,其形式可分为 和 两类。
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