請依下文回答第 5 題至第 9 題
Hackers around the world are getting better at stealing passwords. A hacker is a person who uses a
computer to gain information without permission. Now, some computer scientists are trying to stop
hackers 5 passwords.
The U.S. Military’s Defense Advanced Research Projects Agency, DARPA, is responsible for the
creation of the Internet. The agency is supporting research projects that will 6 passwords a thing of
the past. One project is called Active Authentication. Scientists working on the project want to use a
person’s individual qualities to protect electronic devices like wireless phones against hackers. 7 , the
movement of a person’s hands when they use a wireless phone can be read by sensors. The phone can
remember those signs and observe them. The phone locks when someone 8 the owner tries to use it.
Other teams of scientists are trying to teach computers and smart phone show to recognize a person’s
writing style. The devices will know the words a person uses, 9 and the kinds of errors they make. In
another project, the owner of a device says a phrase instead of typing a password. Sensors identify the
sound and way that a user says words.
DARPA says the projects have had very good results. Some of the largest computer and smart phone
manufacturers have expressed interest in using them in new devices. 【題組】7 (A) For example (B) By all means (C) Let alone (D) As soon as
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