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【单选题】
B淋巴细胞活化的第二信号产生主要是A.
BCR 识别抗原肽 –MHC I 类分子复合物
B.
BCR 识别抗原肽 -MHCII 类分子复合物
C.
B 细胞上的 CD40 与 Th 细胞上的 CD40L 结合
D.
B 细胞上的 B7 与 Th 细胞上的 CD28 结合
E.
BCR 与抗原结合
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举一反三
【单选题】IP地址11001101 11110111 10000011 00001111的点分十进制为( )
A.
205.247.131.15
B.
205.237.131.15
C.
205.247.151.15
D.
205.247.31.15
【单选题】IP地址11001101 11110111 10010111 00001111的点分十进制为()
A.
205.247.131.15
B.
205.237.131.15
C.
205.247.151.15
D.
205.247.31.15
【单选题】There is no illness harder to cope with than depression. The statement is .
A.
a fact
B.
an opinion
C.
a mixture of fact and opinion
【单选题】Which of the following statement is no true about Malcolm X? ( Paragraph 1)
A.
He died from a secret killing.
B.
He was a leader in American civil rights movement.
C.
He changed his surname after joining the Nation of Islam
D.
An biography about his life experience was written after his death.
【简答题】“lexical gap” can be alsocalled__________.
【多选题】巧媳妇故事主要塑造宗族文化背景下具有机智、手巧、善辩、勇于抗争等人格特征的已婚妇女形象。巧媳妇的智巧表现有:( )。
A.
、巧计对付公婆或权势人物的刁难。
B.
、解除不合理的包办婚姻关系，另找婆家。 E 、能掐会算
C.
、巧妙解决丈夫家遇到的难题。
D.
、巧妙说话以不违犯公公或丈夫的名讳。 能降妖除怪。
【判断题】Determine whether the following statements are true or false. Put a “T” if the statement is true, and put an “F” if the statement is false. The charm of conversation is that there is no idea and real ...
A.
正确
B.
错误
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