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.
【C15】
选项 A、good
B、other
C、new
D、extra
答案D
解析 篇章题。上下文理解题。本段讲固体巧克力的发展。第一阶段的关键是“模型加工的发明”，第二阶段是可可脂的成功榨取。本句就是讲将榨取的可可脂添加到巧克力中，从而将巧克力又向前推进了一步。因此，从上下文可知，除了其他的物质外，可可脂是另外加进去的。选项extra表示“额外的，另加的，附加的”，如：We do not ask for extra pay．我们不要求额外报酬。可见此选项正合题意，为正确答案。good表示“好的”，可用于指质量的好坏。new表示“新的”，这里既没有谈及可可脂质量的问题，同样也没有谈及新旧的问题，因此，这两项答案均不合题意。other“其他的，另外的”，这里也没有谈到另种可可脂的问题，因此，也不合题意。
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