单项选择题

What is the best title for this passage

A．The Future of Transportation.
B．Argonne Develops Maglev Train.
C．The Disadvantages of Commuting by Airplane.
D．Commuting in the Future.
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单项选择题
Mountainous areas have a poorer TV ______ than cities. A) receipt C) reaction B) reception D) response
A．Mountainous areas have a poorer TV ______ than cities.
B．receipt
C．reception
D．reaction
E．response
单项选择题
I regret ______ you that we are unable to offer you a job. A) informing C) having informed B) to inform D) inform
A．I regret ______ you that we are unable to offer you a job.
B．informing
C．to inform
D．having informed
E．inform
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