单项选择题

A．Operate metal detectors.
B．Require each passenger to show photo identification.
C．Make a body search by hand.
D．Operate X-ray machines to screen baggage.
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单项选择题
A．A popular television program.B．A breakthrough in technology.C．A recent purchase.D．A new electronic store.
A．A popular television program.
B．A breakthrough in technology.
C．A recent purchase.
D．A new electronic store.
单项选择题
A．She is Professor Jamison’s daughter.B．She works part-time as Professor Jamison’s secretary.C．She used to do the job herself.D．She just came out of an interview for the job.
A．She is Professor Jamison’s daughter.
B．She works part-time as Professor Jamison’s secretary.
C．She used to do the job herself.
D．She just came out of an interview for the job.
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