2. 外语
  3. The ancient Aztecs venerated the cacao tree and used its beans as a form of currency. They【C1】______the tree as a source of stre

The ancient Aztecs venerated the cacao tree and used its beans as a form of currency. They【C1】______the tree as a source of stre

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问题     The ancient Aztecs venerated the cacao tree and used its beans as a form of currency. They【C1】______the tree as a source of strength and wealth and【C2】______their god Quetzalcoatl its guardian. The Aztecs discovered that by crushing the beans into a paste and adding spices, they could make a【C3】______and nourishing drink. This drink would have been very bitter,【C4】______our chocolate drinks today. 16th century European explorers brought the drink back from their【C5】______, added sweeter flavourings, and soon it was【C6】______as an expensive luxury.
    In the 1800s, solid chocolate became popular,【C7】______the invention of moulding processes.【C8】______grinders crushed cocoa beans to a【C9】______powder that could be heated and poured into moulds,【C10】______shapes【C11】______it cooled. Dutchman Coenrad Van Houten perfected the【C12】______of cocoa butter from cocoa beans in 1825. The beans are crushed to a paste, which is【C13】______very high pressure, forming chocolate liquor and cocoa butter. The extracted butter is smoothed and【C14】______to remove any odors. In the 1880s, Rudolphe Lindt of Switzerland started adding【C15】______cocoa butter during chocolate manufacture, to make it【C16】______and glossier. Cocoa butter melts at around 97°F, which is human body temperature. That’s why chocolate melts in the mouth.
    In 1875 , Swiss Daniel Peter perfected the【C17】______of milk chocolate, which is sweeter and smoother than dark chocolate. Nestle’s recently-invented【C18】______milk was easy to mix with cocoa paste, unlike liquid milk. Cadbury’s "Dairy Milk", first【C19】______in 1905, is the UK’s most【C20】______chocolate bar. Milk chocolate is now the world’s best-selling variety.
【C5】
选项 A、travels
B、flights
C、sightseeings
D、voyages
答案A
解析 篇章题。上下文理解题。从本句主语16thcentury European explorers得知事情的所涉人物为欧洲各国探险者，而探险者的目的不是观光，是探索新航道、发现新大陆等。事情发生的时间为16世纪，此时飞机还没有发明。这样我们首先就可排除选项flights(飞行)和sightseeings(观光)。flight表示“飞行”，如：He felt very tired after along—distance flight．长距离飞行后他非常疲惫。sightseeing表示“观光，游览”，如：I’malways interested in sightseeing．我一直对观光游览很感兴趣。travel意为“旅行”，主要指长距离旅行或国外旅行，也可表“旅程”，可指一系列的旅程，如：I read an article about the travel of satellites around the earth．我读了一篇关于人造卫星绕地球运行的文章。历史常识告诉我们，这些欧洲探险者为了找到更多的香料、金银等各种能给他们带来财富的东西，不断地探寻新的航道，途经很多国家和地区，获取了当地的各种物产，带回本国。他们的这种从一个国家又到另一个国家的过程正符合travel的含义，因此，为正确答案。voyage也表“旅行”，但主要指“乘船作水上旅行”，也可指“空中旅行”，如：The voyage from England to India used to take 6 months．从英国到印度的航程过去要花6个月的时间。在此不是最佳答案。
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