The writer implies that ______.A.difficult operation can be successfully performed all ove

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The writer implies that ______.

A.difficult operation 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

热搜:关于氨基酸代谢错误的论述是_________。