单项选择题

According to the article, what does the word "concurrently"(Para. 4) mean

A．At the same time.
B．One at a time.
C．In order.
D．Not currently.
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单项选择题
What is true about the Connexion service to cruise ships and oil exploration platforms
A．Boeing is trying to provide them with the service.
B．They cannot get the service now because the sky is limited.
C．The service is not available to them now as Boeing is busy servicing the fliers.
D．They can get the service because they are in the limit of the project.
单项选择题
Which of the following will not be used by air passengers to access Connexion
A．Their own portable computers.
B．Personal distal assistants.
C．The cabled computers on the airliner.
D．The cellular phone service.
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