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[1] 2000、2010 年美国人口普查数据参见美国人口普查局官方网站 United States Census Bureau, https://factfinder.census.gov/rest/dnldController/ deliver?_ts=551528312223。

[2] Mark Hugo,“If They Could, How Many Unauthorized Immigrants Would Become U.S. Citizen?”June 27, 2013, http://www.pewresearch. org/fact-tank/2013/06/27/if-they-co … -manyunauthorized-immigrants-would-become-u-s-citizens/.

[3] Arthur M. Schlesinger Jr., The Disuniting of America: Reflecting of America, New York: W.W. Norton & Company, 1992, p.28.

[4] Samuel P. Huntington, Who Are We: The Challenges to America’s National Identity , New York: Simon & Schuster Paperbacks, 2004, Forward, p. xvi.

[5] The President Executive Order 13166 ： Improving Access to Services for Persons With Limited English Proficiency，Department of Justice， https://www.gpo.gov/fdsys/pkg/FR-2000-08-16/ pdf/00-20938.pdf，2018-8-22.

[6] Marc Ferris and Spencer Raley ，“The Elephant in the Classroom Mass Immigration’s Impact on Education，”September 2016, https://www. fairus.org/sites/default/files/2017-08/FAIR-EducationReport-2016.pdf.

[7] Steven A. Camarota and Karen Zeigle，“All Employment Growth Since 2000 Went to Immigrants Number of U.S.-born not Working Grew by 17 Million，“June 27，2014，https://cis.org/AllEmployment-Growth-2000-Went-Immigrants.

[8] U.S. Immigration and Customs Enforcement， “Fiscal Year 2016 ICE Enforcement and Removal Operations Report，”https://www.ice.gov/sites/ default/files/documents/Report/2016/removalstats-2016.pdf.

[9] Ben Shapiro ，“Media Dishonesty on Immigration Contributes to Gridlock,”National Review, June 19, 2018 , https://www.nationalreview. com/2018/06/immigration-debate-family-separationmedia-coverage-misleading/.

[10] National Foundation for American Policy, “Declining International Student Enrollment at U.S. University and Its Potential Impact,” Feb.2018, https://nfap.com/wp-content/uploads/2018/02/ Decline-in-International-Student-Enrollment.NFAPPolicy-Brief.February-2018-2.pdf.

[11] National Foundation for American Policy,”H-1B Denials and Requests for Evidence Increase under the Trump Administration,”July 2018， at:https://nfap.com/wp-content/uploads/2018/07/ H-1B-Denial-and-RFE-Increase.NFAP-Policy-Brief. July-2018.pdf.

[12] National Foundation for American Policy, “Immigration and Nobel Prizes:1901-2017,”October 2017, https://nfap.com/wp-content/uploads/2017/10/ Immigrants-and-Nobel-Prizes-1901-to-2017.NFAPPolicy-Brief.October-20171.pdf.