In exchange, he guarantees an above-market price for each animal and a calf-to-customer electronic ear tag ID system like that used in the European Union.
2019年12月六級真題（第三套）閱讀 Section B
After hours in the cold and wet, he reached inside and pulled the wallet out hoping to find some id so he could contact the driver, only to discover it contained ￡400 in notes, with another ￡50 in spare change beside it.
2018年高考英語北京卷 完形填空 原文
Last month, Howard Schmidt, the nation's cyber-czar, offered the federal government a proposal to make the Web a safer place—a "voluntary trusted identity" system that would be the high-tech equivalent of a physical key, a fingerprint and a photo ID card,