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问题 单项选择题

要诊断高渗性脱水时，血清钠浓度应高于

A．150mmol/L

B．135mmol/L

C．140mmol/L

D．145mmol/L

E．155mmol/L

答案

参考答案：A

判断题

取得期货交易所全面结算会员资格的期货公司，不得受托为非结算会员办理金融期货结算业务。（）
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选择题

But for the help of my English teacher, I _____ the first prize in the English Writing Competition.

A．would not win

B．would not have won

C．would win

D．would have won
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