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【单选题】
关于抗原的叙述，错误的是（）A.
大分子蛋白质抗原常含有多种不同的抗原决定簇
B.
抗原诱导免疫应答必须有 T 细胞辅助
C.
不同的抗原之间可以有相同的抗原决定簇
D.
抗原不一定只诱导正免疫应答
E.
半抗原虽无免疫原性，但可与相应抗体结合
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【简答题】算法的5个重要特性是有穷性、____、可行性、输入和输出。
【简答题】算法的5个重要特性是(____)、(____)、可行性、输入和输出。
【简答题】算法的 5 个重要特性是:输入、输出、可行性、确定性和( )。
【简答题】--Where was____you picked up the wallet? --Just near the school gate. A. it B. it that C. the place D. the place that 2. I must find out why____so many students ma...
【简答题】A part-time worker wishes to claim for unfair dismissal.For how many years must he have been continuously employed before the effective dateof termination?(1.0分)A.One year B.Two years C.Three years
【单选题】听力原文：W: Hello, John. You must be pleased. After all how many students are lucky enough to have been accepted at their first and their second choices? M: Not many I know. But I'm not sure yet which one...
A.
Because he didn't know which college he should choose.
B.
Because he hasn't seen the woman for a long time.
C.
Because he wants to make friends with the woman.
D.
Because he wants to borrow money from the woman.
【单选题】How many years continuous service must an employee have before they are entitled to statutory redundancy pay? A One B Two C Three D Four
A.
B.
C.
D.
D
【单选题】How many years of compulsory education is a must for every Chinese student?
A.
3 years
B.
6 years
C.
9 years
D.
12 years
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