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
62-At first, Europeans…………………… . A)were hesitant to use the potato as a foodstuff
B)didn't find potatoes delicious enough to be worth eating
C)were able to grow potatoes in astronomical sizes
D)didn't know how to produce potatoes in large quantities
E)were not aware of the curative value of the potato plant
