Variant 1 You could have come first and won the race if you … faster

28. According to the passage amphibious vehicles ...

A) are the result of the very latest technology B) can also function as aero-planes in certain situations

C) are not capable of travelling efficiently on water D) are able to travel on water as well as on land

29. The author explains ...

A) the system which enables all amphibious vehicles to function as boats

B) the best method by which the inefficient amphibious vehicles can be improved

C) that the Hovercraft can travel over various surfaces because it does not touch them

D) why the Hovercraft is more efficient on water than on land

30. We can understand from the passage that, of all amphibious vehicles, only the Hovercraft ...

A) operates with equal efficiency on both land and sea B) requires smooth ground or a calm sea

C) offers the passengers seats supported with cushions D) has a large fan which keeps the engine cool

VARIANT 65