Reading Passage 1: "William Kamkwamba"

PRT guideways can 
carry far more traffic, nonstop, than any inner city road
....
the 
RUF vehicle—the term comes from a Danish saying meaning to “go fast”—would
become an electric car.
Q 9. It is not necessary to share with the general public.
Answer: C both PRT and RUF
Part of the passage: 
You wouldn’t have to share your space with strangers, and with no 
traffic lights, pedestrians or parked cars to slow things down
, PRT guideways can 
carry 
far more traffic, nonstop, than any inner city road
. 
Explanation:_there_is_nothing_about_sharing_with_regard_to_RUF_(dual-mode_driving)_system._Q_10._It_is_always_controlled_by_a_computer._Answer'>Explanation: 
there is nothing about sharing with regard to RUF (dual-mode driving) 
system. 
Q 10. It is always controlled by a computer.
Answer: 
A PRT only
Part of the passage: 
The Danish RUF system envisaged by Palle Jensen, for example, 
resembles PRT but with one key difference: 
vehicles have wheels as well as a slot allow-
ing them to travel on a monorail
, so they can drive off the rail onto a normal road. 
Explanation: 
with PRT, you hop into a computer-controlled car, but what makes RUF 
different from PRT is that it can also be converted into a usual human-drive car mode.
Q 11. It can run on existing roads.
Answer: 
B RUF only
Part of the passage: 
The Danish 
RUF system envisaged by Palle Jensen, for exam-
ple, resembles PRT but with one key difference: 
vehicles have wheels as well as a slot 
allowing them to travel on a monorail
, so they can drive off the rail onto a normal road. 
Explanation: 
See Q10 explanation.