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免疫耐受 2 .中枢耐受 3 .外周耐受 4. 克隆无能 5. 免疫忽视
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【单选题】2) When does the family in the story get ice cream for dessert? A) Before dinner. B) In the middle of dinner. C) In the morning. D) After dinner.
A.
Before dinner.
B.
In the middle of dinner.
C.
In the morning.
D.
After dinner.
【单选题】When will they discuss the agenda?
A.
Before dinner.
B.
During dinner.
C.
After dinner.
D.
Tomorrow.
【简答题】A．Before dinner. B．Right after dinner. C．During dinner. D．The next day.
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