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【单选题】
抑菌试验可鉴别的药物是A.
青霉素钠
B.
苯甲酸钠
C.
对氮基水杨酸钠
D.
司可巴比安钠
E.
磺胺嘧啶钠
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【单选题】What did the poll find out about wilfing?
A.
People under 25 were more likely to wilf than those aged 55 and above.
B.
Women confessed that wilfing damaged the relationship with their partners.
C.
Internet users spent no more than 30 percent of their Internet time wilfing.
D.
Women tended to spend more time wilfing on the Internet than men.
【简答题】设中心在原点的椭圆与双曲线2x 2 -2y 2 =1有公共的焦点，且它们的离心率互为倒数，则该椭圆的方程是（ ）。
【单选题】What did the poll find out about wilfing?
A.
People under 25 were more likely to wilf than those aged 55 and above .
B.
Women confessed that wilfing damaged the relationship with their partner.
C.
Internet users spent no more than 30 percent of their Internet time wilfing.
D.
Women tended to spend more time wilfing on the Internet than men.
【单选题】What did Jim dream about? He dreamed about ______ .
A.
the zoo
B.
the train
C.
a big animal
【单选题】What did the poll find out about wilfing( )
A.
People under 25 were more likely to wilf than those aged 55 and above.
B.
Women cinfessed that wilfing damged the relationship with their partners.
C.
Internet users spent no more than 30 percent of their Internet time wilfing
D.
Women tended to spend more time wilfing on the Internet than men.
【单选题】患者男，72岁。因“受凉后出现咳嗽、咳黄黏痰3天，逐渐加重伴气促1天”来诊。有多年吸烟史。肺功能检查：第1秒用力呼气量占用力肺活量比值40%。最可能的诊断是（）。
A.
急性支气管炎
B.
支气管哮喘
C.
肺间质纤维化
D.
慢性阻塞性肺疾病急性加重
E.
急性呼吸窘迫综合征
【简答题】设中心在原点的椭圆与双曲线2x 2 -2y 2 =1有公共的焦点，且它们的离心率互为倒数，则该椭圆的方程是______
【简答题】设椭圆的方程为(x2/16)+(y2/12)=1，则该椭圆的离心率为（ ）
【简答题】What conclusion did the most recent poll draw?
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