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【单选题】
自发肿瘤的抗原性特点是A.
特异性强
B.
很难检测到特异性的抗原标记
C.
抗原性
D.
常多种特异性抗原同时存在
E.
易被CTL识别
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反馈参考答案：
举一反三
【单选题】—Did you go to Jane's birthday party? —No, I ________. [ ]
A.
am not invited
B.
wasn't invited
C.
haven't been invited
D.
didn't invited
【单选题】What did Jane have to do?
A.
Wipe away the blood.
B.
Comfort Mason.
C.
Help Mason take some medicine.
D.
Accompany Mason.
【简答题】A．She didn't understand what Jane was saying. B．Jane should have been more active. C．Jane needs training in public speaking lessons. D．Jane didn't seem to be nervous at all during her presentation.
【简答题】A．She didn't understand what Jane was saying. B．Jane should have been more active. C．Jane needs training in public speaking lessons. D．Jane didn't seem to be nervous at all during her presentation.
【单选题】下列哪种营销观念要求企业员工以认真的态度作好本职工作,清楚知道企业目标对本职工作的要求,明白本职工作是企业整体营销活动的一部分.()
A.
关系营销
B.
绿色营销
C.
全员营销
D.
形象誉销
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