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【单选题】
在莱氏化学合成法生产维生素C的过程中,最后转化为维生素C的物质为( )。A.
双丙酮-2-酮-L-古龙酸
B.
双丙酮-2-酮-D-古龙酸
C.
2- 酮基-L-古龙酸
D.
2- 酮基-D-古龙酸
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举一反三
【单选题】张某，男，76岁，I型糖尿病20余年患者，使用胰岛素治疗控制良好，近来出现发热、咳嗽、咳痰并且出现脓性痰，伴胸痛，诊断为社区获得性肺炎，在使用抗菌药物时监测血糖发现有不寻常的波动，造成这种现象的原因可能是使用了以上哪种抗菌药物()
A.
阿奇霉素
B.
头孢他啶
C.
万古霉素
D.
加替沙星
E.
林可霉素
【单选题】Healthgrades.com claimed that it shouldn't be sued in Washington because ______.
A.
its headquarters are in Colorado
B.
it doesn't have a physical presence in Washington
C.
its rating didn't have a harmful effect on the company
D.
its operation was carried out in Washington area
【单选题】Why are jade and jade finders mentioned in the passage?
A.
Because jade finders used the compass to detect lodestone.
B.
Because jade was hard enough to make the compass.
C.
Because jade finders were possibly the inventors of the compass.
D.
Because jade and lodestone were found in the same mountains.
【简答题】简述谢赫及其”六“的内容。
【单选题】患者,男,20岁。I型糖尿病患者,在治疗过程中出现心悸、出汗、饥饿感、意识模糊。患者最可能发生的问题是
A.
过敏反应
B.
心律失常
C.
自主神经功能紊乱
D.
低血糖反应
E.
周围神经炎
【单选题】患者,男,20岁,I型糖尿病病人,在治疗过程中出现心悸、出汗、饥饿感、意识模糊。 病人最可能发生的问题是
A.
过敏反应
B.
心律失常
C.
植物神经功能紊乱
D.
低血糖反应
【单选题】We are pleased to _____ you that 6000 dozen of shirts under Sales Confirmation No.C123, L/C No.5678 have gone off on S.S. 'Dongfeng'
A.
ask
B.
inform
C.
speak
D.
talk
【单选题】Why didn’t investors want to risk any more money by investing in boo. com?
A.
Because it didn’t have the right kind of staff.
B.
Because it didn't have a good business strategy.
C.
Because it didn't have high quality products.
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