Doctor Wang is good at/does well in heart operation选择哪个？原因

be good at…指某人擅长于（做）某事，at在这里是一个介词，可以在其后跟名词，be good at sth.指擅长于某事；或在其后跟动词-ing形式，表示做某事做得很好，很出色，其同义短语是do well in。
Doctor Wang is good at heart operation.
王医生擅长心脏手术
Doctor Wang does well in heart operation.
王医生心脏手术做得很出色

看他给的句子什么意思
这两个都可以用

只要记住 、、
be good at 擅长于某事.!

废话啊!都可以啊!这是同义短语,而且时态有没错.be good at=do well in.表擅长做某事。

答：两者都可。

be good at +doing sth,比如My mother is good at cooking.
do well in +doing sth,比如My mother does well in cooking.

另外，它们后面都可以直接加名词，比如：
She is good at English. 她英语学得好。
He does well in Chinese. 他语文学得好。

所以如题，“heart operation”是名词，Doctor Wang is good at heart operation.或Doctor Wang does well in heart operation.都是对的。