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【多选题】
关于经验T细胞的“限制性护照”分子,描述正确的是A.
经验T细胞表达的细胞粘附分子取决于这些经验T细胞被激活的位置。
B.
激活的经验T细胞再循环时，它们通常离开血液，再次进入与最初遇到抗原时相同类型的二级淋巴器官。
C.
经验T细胞也携带“战斗护照”(黏附分子)，指示他们在入侵者发起感染的地方离开血液，进入“战场”。
D.
引流皮肤的淋巴结内的激活的经验T细胞，其上调表达的受体分子可促使它们回到皮肤-引流淋巴结。
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【单选题】听力原文：W: Well, it's good to see you again. What are you doing these days? You are still working at the same place, aren't you? M: Yes, I am, and I'm counting the days until retirement. Q: What can we l...
A.
He loves his present work.
B.
He is going to open a store.
C.
He is about to retire.
D.
He works in a repair shop.
【简答题】向银行交付款项，申请汇付的人，称作汇款人。对于贸易货款的支付而言，汇款人通常就是贸易的（）。
【单选题】听力原文：M: Well, it's good to see you again. What are you doing these days? You are still working at the same place, aren't you? W: Yes, I am, and I'm counting the days until retirement. Q: What can we l...
A.
She loves her present work.
B.
She is going to open a store.
C.
She is about to retire.
D.
She works in a repair shop.
【单选题】器官捐赠符合法律要求的是
A.
任何年龄的个人死后可捐赠其身体
B.
个人死亡后近亲无权作捐赠表示
C.
凡18岁以上个人生前自愿死后可捐赠其身体或器官
D.
死者已做捐赠表示，家属可以取消
E.
捐赠意愿可由家属代捐赠者书写和签名
【单选题】器官捐献符合法律要求的是 ( )
A.
任何年龄的个人死后可捐赠其身体
B.
个人死亡后近亲无权做捐赠表示
C.
凡18岁以上个人生前自愿，死后可捐赠其身体或器官
D.
死者已做捐赠表示， 家属可以取消
E.
捐赠意愿可由家属代捐赠者书写或签名
【单选题】听力原文：W: Well, it's good to see you again. What are you doing these days? You are still working at the same place, aren't you? M: Yes, I am, and I'm counting the days until retirement. Q: What can we l...
A.
He loves his present Work.
B.
He is going to open a store.
C.
He is about to retire.
D.
He works in a repair shop.
【简答题】What are the characteristics of these industries that make them good candidates for aggregate planning?
【简答题】3-9 试利用卷积定理求下列信号的频谱函数。 (1) f ( t ) = A cos( w 0 t ) * e ( t ) (2) f ( t ) = A sin( w 0 t ) e ( t )
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