A Discrimination against foreign workers in the U.S. B Biased laws in favor of some American businesses. C Flaws in the U.S. immigration rules for farm workers. D Decline of job opportunities in U.S. agriculture.

A the rising number of illegal immigrants B the high mobility of crop workers C the lack of experienced laborers D the aging of immigrant farm workers

A To attract younger laborers to farm work. B To get native U.S. workers back to farming. C To use more robots to grow high-value crops. D To strengthen financial support for farmers.

A slow granting procedures B limit on duration of stay C tightened requirements D control of annual admissions

A U.S. Agriculture in Decline? B Import Food or Labor? C America Saved by Mexico? D Manpower vs. Automation?

A demand new laws on the use of plastics B urge consumers to cut the use of plastics C invite public opinion on the plastics crisis D disclose the causes of the plastics crisis

A mislead us into doing worthless things B prevent us from making further efforts C weaken our sense of accomplishment D suppress our desire for success

A our focus should be shifted to community welfare B our relationship with local industries is improving C we have been actively exercising our civil rights D we should press our government to lead the combat

A a win-win arrangement B a self-driven mechanism C a cost-effective approach D a top-down process

A can be too aggressive B can be too inconsistent C are far from sufficient D are far from rational