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【单选题】
诱导胸腺及骨髓中克隆消除的自身Ag是( )A.
体内各组织细胞普遍存在的自身Ag
B.
自身免疫调节基因调控在胸腺髓质区上皮细胞表达的组织特异性Ag
C.
仅在胸腺和骨髓基质细胞表达的自身Ag
D.
上列A和B二项
E.
上列A、B和C三项
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举一反三
【单选题】What can graduates do when seeking the job opportunities?
A.
Advertise on newspapers for good jobs.
B.
Find a temporary job in the careers office.
C.
Seek information from the potential employers.
D.
Ask their friends and relatives to employ them.
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A.
Register all customers
B.
Direct all complaints to a service agent
C.
Answer all customer inquiries
D.
File the complaints of customers regarding products
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A.
a good
B.
a better
C.
the best
D.
a best
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