19．【答案】A

　　【解析】句意：她拥抱了我，给了我一个信封，里面有一点钱。这里amount是作不可数的数量代词用，省略money。amount意为“数量”；present“礼物”；account“账户”；choice“选择”。

　　20．【答案】B

　　【解析】句意：但是这钱数，无论大小都不重要。decline意为“下降，衰退”； matter“重要，要紧”；cater“投合，迎合”；conflict“冲突，抵触”。

　　Ⅱ.阅读理解

　　(2015安徽， C)

　　As Internet users become more dependent on the Internet to store information, are people remembering less? If you know your computer will save information, why store it in your own personal memory, your brain? Experts are wondering if the Internet is changing what we remember and how.

　　In a recent study, Professor Betsy Sparrow conducted some experiments.She and her research team wanted to know how the Internet is changing memory.In the first experiment, they gave people 40 unimportant facts to type into a computer.The first group of people understood that the computer would save the information.The second group understood that the computer would not save it.Later, the second group remembered the information better.People in the first group knew they could find the information again, so they did not try to remember it.

　　In another experiment, the researchers gave people facts to remember, and told them where to find the information on the computer.The information was in a specific computer folder (文件夹)．Surprisingly, people later remembered the folder location (位置) better than the facts.When people use the Internet, they do not remember the information.Rather, they remember how to find it.This is called “transactive memory (交互记忆)．”

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