If metal is heated and then cooled very quickly, , by dipping in cold water, it will be ve

If metal is heated and then cooled very quickly, , by dipping in cold water, it will be very hard but will break easily.
A. what’s more
B. in general
C. for example
D. on the other hand

A. what’s more(答案→)B. in generalC. for exampleD. on the other hand解析：考查短语辨析。what’s more此外，in general大体地，for example例如，on the other hand 另一方面，根据语境应选B。

这个解释是对的

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