19 According to the passage, what is the main contributor to the decline in the unauthorized immigrant
population in 2017?
(A) The implementation of new immigration laws in the US.
(B) The undercount adjustment to the census data.
(C) The increase of naturalized citizens and permanent residents.
(D) The decrease of immigrants from Mexico.
詳解 (共 2 筆)
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The main contributor...
私人筆記 (共 1 筆)
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根據文章,2017年未經授權移民人口下降...