Directions: Read the following text from which 10 words have been removed. Choose from the words A—O the most suitable one to fill each numbered gap in the text (46 -55). There are FIVE extra words that you do not need to use. Mark your answers on your ANSWER SHEET.
   The method for making beer has changed over time. Hops (啤酒花), for example, which give many a modern beer its bitter flavor, are a- 1 recent addition to the beverage. This was mentioned in reference to brewing in the ninth century. Now, researchers have found a--- 2 ingredient in residue (残留物) from 5000-year-old beer brewing equipment. While excavating two pits at a site in the central plains of China, scientists discovered fragments from pots and ve__ . The different shapes of the containers 3 they were used to brew, filter, and store beer. They --may be ancient “beer-making tools,” and the earliest 4 evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences. To 5 that hypothesis, the team examined the yellowish, dried 6  inside the vessels. The majority of the grains, about 80%, were from cereal crops like barley (大麦), and about 10% were bits of roots, 7 lily, would have made the beer sweeter, the scientists say. Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn’t become a 8 food in central China until about 2000 years ago, according to the researchers. Based on that timing, they indicate barley may have 9 in the region not as food, but as 10 material for beer brewing.

A) Arrived

B) Consuming

C) Direct

D) Exclusively

E) Including

F) Inform

G) Raw

H) Reached

I) Relatively

J) Remains

K) Resources

L) Staple

M) Suggest

N) Surprising

O) Test