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【判断题】
体内的氨全部在肝脏合成尿素。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】During the summer session there will be a revised schedule of services for the university community. Specific changes for intercampus bus services, the cafeteria, and summer hours for the infirmary an...
A.
To tell campus personnel of the new library services.
B.
To announce the new movies on campus this summer.
C.
To notify university people of important schedule changes.
D.
To remain students to validate their identification cards.
【单选题】So surprisingly impressive as to stun or overwelm.
A.
fundamental
B.
rotating
C.
staggering
D.
generated
【简答题】斯金纳的程序教学法有哪些原则?
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