单项选择题


A．getting
B．putting
C．falling
D．sitting
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单项选择题
Before Sept. 11, the U.S. Congress had been unable to pass stricter immigration laws because.
A．they might have kept away foreign students and cheap labor
B．it was difficult to coordinate the efforts of the congressmen
C．education and business circles cared little about national security
D．resources were not available for their enforcement
单项选择题
It is believed by many that all these years the INS.
A．has been serving two contradictory functions
B．has been too liberal in granting visas to tourists and immigrants indiscriminately
C．has over-emphasized its service functions at the expense of the nation's security
D．has ignored the pleas of the two powerful lobbies
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