試題詳解

45. According to the U.S. Census, _______________.
(A) twelve million Americans are living in an environment in which English exposure is insufficient or even unavailable
(B) the number of linguistically isolated households has plunged
(C) immigrants from Taiwan have the least difficulty adjusting themselves to the English-only environment
(D) immigrants in the U.S. all have limited English proficiency, so that many of them are studying English