题目内容
45.What type of Internet-based company makes it easy for one person to pay another person or organization over the Internet?
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51.Which type of digital wallet maintains your e-commerce information on your computer?
58.Which computer tool creates a secure and private connection between a Web client's computer and a Web server's computer, so that files sent from one to another are kept confidential?
57.Which scrambling technique provides you with two keys: one key that everyone in an organization can have to scramble the contents of a file and another key for the intended recipient to unscramble the file?
初次接受推拿治疗的高血压病人，采取的最佳体位是
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