There’s a new system in development which will make it possible to read the unique maps of veins under the surface of your finge

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问题 There’s a new system in development which will make it possible to read the unique maps of veins under the surface of your finger, and use them to________payments—or prove that it’s you making the payments.

选项 A、realize
B、engage
C、authenticate
D、appreciate

答案C

解析 本题考查动词辨析。破折号后的prove that it’s you making the payments(证明是你在支付)是对“payments”的解释说明。由此可知,所填词应表示“证明、证实”, authenticate(证实,证明……是真实的)符合题意,故C项为答案。realize意为“实现”;engage意为“吸引住(注意力、兴趣)”;appreciate意为“欣赏,感激”。
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