24. In an automated highway system, all the driver needs to do is ________. (A)) keep in the right lane (B)) wait to arrive at his destination (C)) keep in constant touch with the computer center (D)) inform the system of his destination by phone

31. “... Old is suddenly in” (Line 1, Para. 1) most probably means “________”. (A)) America has suddenly become a nation of old people (B)) gerontology has suddenly become popular (C)) more elderly professors are found on American campuses (D)) American colleges have realized the need of enrolling older students

24. In an automated highway system, all the driver needs to do is ________.
(A)) keep in the right lane
(B)) wait to arrive at his destination
(C)) keep in constant touch with the computer center
(D)) inform the system of his destination by phone

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