3) If it had not been for the freedom and the _____________________that the Internet allows, we couldnot communicate with each other so well.
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4) We should try to recognize the ___________________ between people of different nationalities, at thesame time, knowing the differences between them.
5) The couples were asked to report their own levels of forgiveness,_________________________ and self-respect every six to eight months.
6) There has been quite a lot of research in the academic field into the impactof__________________types on successful teams.
人体的信号可分为______、________、___________三大类
A. 物理
B. 化学
C. 生物
D. 生理