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【单选题】
原发性胆汁性肝硬化,血清中检查到的主要自身抗体是A.
抗核蛋白抗体
B.
抗Sm抗体
C.
抗SSA 抗体
D.
抗RNP抗体
E.
抗线粒体抗体
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皮皮学刷刷变学霸
举一反三
【单选题】The engine will fail to start unless _____.
A.
the pressure of the starting air is high enough
B.
there is enough air in the air reservoirs
C.
the air is supplied into the cylinders in the appropriate sequence
D.
all of the above
【单选题】A closed-end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mm Hg. The pressure of...
A.
122
B.
661
C.
771
D.
795
E.
882
【单选题】For Alan, what is a disadvantage of the job?
A.
Its heavy responsibility.
B.
The pressure on his family.
C.
The criticism he receives.
【简答题】此听力MP3下载地址：http://www.shuashuati.com/share/p3301338.html
【简答题】A．The pressure for high standards in American education. B．The kids' readiness for active participation in learning. C．The prevalent eagerness to improve academic performance. D．All of the above.
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