题目内容

Imagine how many times restaurants and merchants had to change their posted prices during the _____ 1970s, when prices almost doubled.

A. inflationary
B. extraordinary

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证券公司持有一种权益类证券的市值与其总市值的比例不得超过( ),但因包销导致的情形和中国证监会另有规定的除外。

A. 5%
B. 8%
C. 10%
D. 15%

最易发生晕厥和心绞痛的是

A. 二尖瓣狭窄
B. 二尖瓣关闭不全
C. 主动脉瓣狭窄
D. 主动脉瓣关闭不全
E. 肺动脉瓣狭窄

His _____ and unwillingness to learn from others prevent him from being an effective member of the team.

A. arrogance
B. advantage

Although each TV series will be rated on the basis of its usual content, the ratings can _____ from week to week.

A. flow
B. fluctuate

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