The problems caused by immigrants' speaking their mother tongues ______.
A. are only a recent phenomenon
B. vary with different immigrant groups
C. dated back to the founding of the nation
D. started with the modern immigration system
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According to the author, who has benefited most from the current economic recovery？
A. Low-income families.
B. Middle-class families.
C. Upper-class families.
D. Immigration families.
Based on past experiences, with rising productivity workers' wages would ______.
A. be on the rise
B. be on the decline
C. remain relatively unchanged
D. fluctuate with inflation
The best title for the passage is " ______".
A. Make English Our Official Language
B. Immigrants and Their Languages
Communication Problem with Immigrants
D. The Spanish Language in the U. S.
The author seems to indicate that ______.
A. current economic recovery is likely to endure for a long time
B. luxury goods alone can promote an economie recovery
C. current economic boom is most strongly felt by the customers
D. the job market has yet to show promising signs of improvement
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