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【多选题】
Th细胞对B细胞的辅助作用体现于A.
为B细胞提供第1活化信号
B.
为B细胞提供第2活化信号
C.
TH2细胞分泌IL-4,5,6等促进B细胞活化
D.
通过CD40L与B细胞表面的CD40结合提供活化信号
E.
分泌IL-1促B细胞活化与增殖
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following would be used as a source document for a petty cash book?
A.
Cheque
B.
Debit note from the insurance company
C.
Bill for purchase of stamps and pencils
D.
Direct debit instruction
【单选题】Chapter 3: The part inside the dotted line in the figure is called (_____).
A.
Given elements
B.
Comparing elements
C.
Feedbak elements
D.
Controlled object
【单选题】Chapter 3: The part inside the dotted line in the figure is called (_____).
A.
Given elements
B.
Comparing elements
C.
Feedbak elements
D.
Controlled object
【单选题】Chapter 3: The part inside the dotted line in the figure is called (_____).
A.
Actuator elements
B.
Comparing elements
C.
Controller elements
D.
Controlled object
【简答题】The inside part of your hand is called _____.
【单选题】Chapter 3: The part inside the dotted line in the figure is called (_____).
A.
Given elements
B.
Comparing elements
C.
Feedbak elements
D.
Controlled object
【单选题】Which document, for the first time in English history, forced King to take the advice of nobles? ( )
A.
The Petition of Right of 1628.
B.
Habeas Corpus Act.
C.
. Magna Carta.
【简答题】如何培养学生探究学习的能力?
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