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【单选题】
风湿性心脏病的发病机制主要与下列哪一项有关A.
自身抗原的改变
B.
分子模拟
C.
表位扩展
D.
免疫忽视的打破
E.
免疫隔离部位抗原的释放
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反馈参考答案：
举一反三
【单选题】Conversation Two 6
A.
How to prepare for their final exam
B.
The details about their group homework
C.
How to write a group report
D.
The details about their questionnaires
【单选题】Conversation Two 6
A.
There were too many singers
B.
The man didn't win the prize
C.
Most of the singers didn't do their best
D.
It took such a long time.
【单选题】Conversation Two 6
A.
She goes to sign the contract with the man.
B.
She wants to enquire about some details.
C.
She intends to thank the man for his help.
D.
She just wants to visit the office in advance.
【单选题】Conversation Two 6
A.
It makes him healthy and spirited
B.
It is the best way to relax himself.
C.
It lets him know more about the world
D.
It helps him develop different skills
【单选题】Conversation two 6
A.
A new company.
B.
A new product
C.
The job market
D.
A job interview
【单选题】Conversation Two 6
A.
Superior and subordinate.
B.
Interviewer and interviewee.
C.
Girlfriend and boyfriend.
D.
Business partners.
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