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Questions 21 to 31are based on the following passage. The method for beer has changed over time. Hops ( 啤酒花 ) , for example, which give many a modem beer its bitter flavor, are a (21)_______ recent addition to the beverage. This was first mentioned in reference to brewing in the ninth century. Now, researchers have found a (22)_______ingredient in residue ( 残留物) from 5 ,0 00-year-old beer brewing equipment. While digging two pits at a site in the central plains of China, scientists discovered fragments from pots and vessels. The different shapes of the containers (23)_______ they were used to brew, filter, and store beer. They may be ancient “beer- tools,” and the earliest (2 4) _______ evidence of beer brewing in China, the researchers reported in the Proceedings of the National A cademy of Sciences . To (25)_______ that theory, the team examined the yellowish, dried (26)_______ 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, (27)_______lily , which 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 (28)_______food in central China until about 2,000 years ago, according to the researchers. Based on that timing, they indicate barley may have (29)_______ in the region not as food, but as (30)_______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

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参考答案:
举一反三

【单选题】世界上超过60%的啤酒花种植区位于()。

A.
英国和法国
B.
德国和美国
C.
捷克和比利时
D.
澳洲和新西兰

【多选题】大麦发芽的目的是?。

A.
使麦粒生成大量的酶
B.
使部分非活性酶得到活化和增长
C.
是为了得到新鲜的胚芽
D.
是为了得到色、香、味
相关题目:
【单选题】世界上超过60%的啤酒花种植区位于()。
A.
英国和法国
B.
德国和美国
C.
捷克和比利时
D.
澳洲和新西兰
【多选题】大麦发芽的目的是?。
A.
使麦粒生成大量的酶
B.
使部分非活性酶得到活化和增长
C.
是为了得到新鲜的胚芽
D.
是为了得到色、香、味
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