The writer implies that ______.
A.difficult operations can be successfully performed all over the world now
B.compared to the "third revolution" in surgery, the first two are less important
C.all patients can be cured by a gall bladder-removal operation
D.a new breakthrough has been made in surgery
第6题
A.组织中应有专门处理同环境关系的部门。
B.目标是社会组织内部分工合作的基础。
C.环境变化时社会组织的内部结构也随之变化。
D.目标是社会组织生存合理化的根据。
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