班杜拉提出了观察学习理论，针对观察学习包括（ ）过程。
A. 注意过程
B. 保持过程
C. 动机过程
D. 行为再造过程
查看答案
Which is the most common subtype of leukemia?
ALL
B. AML
CML
D. CLL
Which leukemia subtype usually carrys the philadelphia chromosome?
ALL
B. AML
CML
D. CLL
Which leukemia subtype is the most common cancer in children?
ALL
B. AML
CLL
D. CML
Currently, it is thought that the cellular orgin of leukemia is
A. mature cell that has been dedifferentiated
B. stem or progenitor cells
C. lymphoid cells
D. myeloid cells
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