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【单选题】
αβT细胞TCR的“双识别”是指A.
同时识别MHCⅠ类分子和MHCⅡ类分子
B.
同时识别抗原肽和MHC分子
C.
同时识别抗原肽和mIg
D.
同时识别Igα和Igβ
E.
同时识别抗原分子的T细胞表位和B细胞表位
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反馈参考答案：
举一反三
【单选题】When the stranger told the writer that he only knew two people in the country who had their own tennis courts, he meant that______.
A.
his friend was an excellent tennis player
B.
his friend was a famous person
C.
the writer might happen to know his friend
【简答题】希腊的主要建筑类型是 。
【单选题】Many people lost their respect for the mayor when they learned he had ____ stories about being a war hero. [ ]
A.
stuck to
B.
related to
C.
made up
D.
taken up
【单选题】People had lost their homes and all their _______
A.
expressions
B.
decades
C.
quality
D.
possessions
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