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【单选题】
以下关于hERG的说法，哪个是不正确的？A.
抑制心肌细胞中的hERG会诱发获得性QT间期延长综合症(LQTS)，导致严重的心律失常
B.
检测化合物对hERG钾通道的作用是临床前评价化合物心脏安全性的关键步骤
C.
降低化合物hERG毒性的关键是减少化合物在心脏的分布
D.
化合物有两种方式抑制hERG，分为直接抑制和阻碍hERG钾通道蛋白的转运
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举一反三
【简答题】Although on-line shopping has a lot of advantages, its (advantage) ______ are obvious.
【多选题】在液压传动中，液压油既是液压传动系统实现能量转换、传递和控制的工作介质，又有一般润滑油在机械中所起的（）等作用。
A.
润滑
B.
冷却
C.
防锈
D.
减震
E.
磨损
【单选题】Although chatting on line has exploded in popularity in recent years, there is no ________ for a face-to-face conversation.
A.
privilege
B.
affection
C.
substitute
D.
adjustment
【单选题】The primary line module has failed and the spare line module is nowactive.What occurs，by default，when the primary line module returns to an operational status？（）
A.
The primary line module is inactive for five minutes and then becomes active.
B.
The primary line module is in standby mode，while the spare line module remains active.
C.
The primary line module becomes active immediately and the spare line module becomes inactive.
D.
The primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.
【简答题】The firm has decided to switch to another line of products, as these __________(不畅销).
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