补全短文
A. converse with B. effect on C. rather than Phrases: A. being able to【T7】______a wider range of people B.【T8】______just one has obvious practical C. have a profound【T9】______your brain Speaking two languages【T10】______benefits in an increasingly globalized world. But in recent years, scientists have begun to show that the advantages of bilingualism are even more fundamental than【T11】______Being bilingual, it turns out, makes you smarter. It can【T12】______improving cognitive skills not related to language and even shielding against dementia in old age.