1. A bird flu, a massive earthquake, a monster storm and a terrorist attack are all threats to major cities in the U.S.

　　2. The author does an assessment of all high-risk urban areas in the U.S.

　　3. Policemen, firemen and emergency doctors all can be called first responders.

　　4. Each federal urban search-and-rescue task force is made up of at least 60 members.

　　5. If a city has earned the CDC's green status "green status", it means that its local health teams can ________ on their own.

　　6. You can get evacuation details through the ways provided by the website of Las Vegas though it doesn't disclose the details due to ________.

　　7. Incompatible communications is a country-wide problem in the U.S. because of the ________ which should be converted or replaced.

　　8. Emergency operators can identify the precise location of cell-phone callers through GPS systems with the use of ________.

　　9. According to preparedness experts, if a city has at least 500 hospital beds for every 100,000 residents, it could find ________ in an emergency.

　　10. As a part of DHS's Metropolitan Medical Response System, a city can obtain ________ in developing plans