我给大家贴个og题目 Nobody knows exactly how many languages there are in the world, partly because of the difficulty of distinguishing between a language and the sublanguages or dialects within it, but those who have tried to count typically have found about five thousand.
(C) and the sublanguages or dialects within it, but those who have tried counting it typically find 这个选项是错的,官方说明是it单复数指代不一致。原句划线是正确的。但是我有点纠结与我标出来粉红色的地方,觉得也应该算是个“让人不太舒服的”点。