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C)the number of astronauts with a good
astronomical
knowledge was small
D)the space technology was not advanced enough to prevent accidents
E)people did not believe that man could walk on the Moon
The potato plant is native to the Peruvian Andes. It was cultivated
in Peru and Bolivia and, along
with corn, was the main food of the Incas. It was introduced into Europe by 16th-century Spanish
explorers.
Initially, the potato was avoided as a food by Europeans. It was supposedly endowed with
powers such as the ability to cure certain illnesses, and so long as the plant remained rare in Europe,
its price often reached astronomical heights. By 1573, however, it was being grown in Spain, and
shortly thereafter in the Netherlands and in Switzerland.
61-The potato………….. .
A)was the favourite food of 16th-century Spanish explorers
B) used to be served with corn by the Incas
C) was spread to the rest of the world from the
Peruvian Andes
D)has only been known to Europeans for less than five decades
E)is now more common in Europe although it was originally grown in Peru and Bolivia
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